{"id":4501,"date":"2026-05-22T15:42:04","date_gmt":"2026-05-22T15:42:04","guid":{"rendered":"https:\/\/productionscrews.com\/astm-a193\/"},"modified":"2026-05-22T15:42:28","modified_gmt":"2026-05-22T15:42:28","slug":"astm-a193","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/ko\/astm-a193\/","title":{"rendered":"ASTM A193: \uace0\uac15\ub3c4 \ubcfc\ud2b8 \ub4f1\uae09 \ubc0f \uc0ac\uc591\uc5d0 \ub300\ud55c \uc644\ubcbd\ud55c \uac00\uc774\ub4dc"},"content":{"rendered":"<p class=\"direct-answer\"><strong>ASTM A193\ub294 \uace0\uc628, \uace0\uc555, \ubd80\uc2dd\uc5d0 \ubbfc\uac10\ud55c \uc11c\ube44\uc2a4\uc5d0\uc11c \uc555\ub825 \uc6a9\uae30, \ubc38\ube0c, \ud50c\ub79c\uc9c0 \ubc0f \ud53c\ud305\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud569\uae08\uac15 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubcfc\ud305 \uc7ac\ub8cc\ub97c \ud3ec\uad04\ud558\ub294 \ud45c\uc900 \uaddc\uaca9\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<p><img decoding=\"async\" alt=\"astm a193 \u2014 \uc0b0\uc5c5 \uc555\ub825 \uc6a9\uae30 \ud50c\ub79c\uc9c0 \uc870\ub9bd\uc744 \uc704\ud55c \uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc2a4\ud130\ub4dc \ubcfc\ud2b8\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc601\uc6c5 \uc77c\ub7ec\uc2a4\ud2b8\ub808\uc774\uc158\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/01-hero-35.png\" \/><\/p>\n<p>\ud30c\uc774\ud504\ub77c\uc778 \ud50c\ub79c\uc9c0\uc6a9 \uc2a4\ud130\ub4dc \ubcfc\ud2b8\ub97c \uc8fc\ubb38\ud588\uc744 \ub54c 'ASTM A193 B7'\uc774\ub77c\uace0 \ud45c\uae30\ub41c \uc774\uc720\ub97c \uad81\uae08\ud574\ud55c \uc801\uc774 \uc788\ub2e4\uba74, \ud63c\uc790\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc774 \uc9c0\uc815\uc740 \uc815\ud655\ud55c \ubc95\uc801 \ubc0f \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc801 \uc758\ubbf8\ub97c \uc9c0\ub2c8\uba70: \uac80\uc0ac\uad00\uc5d0\uac8c \uc5b4\ub5a4 \uc5f4\ucc98\ub9ac\uac00 \uc801\uc6a9\ub418\uc5c8\ub294\uc9c0, \uae30\ub300\ud560 \uc218 \uc788\ub294 \uc778\uc7a5 \uac15\ub3c4, \uadf8\ub9ac\uace0 \uc5b4\ub5a4 \ub108\ud2b8\uac00 \uc2a4\ud130\ub4dc\uc640 \ud568\uaed8 \uc0ac\uc6a9\ub418\ub294\uc9c0 \uc815\ud655\ud788 \uc54c\ub824\uc90d\ub2c8\ub2e4. \uc798\ubabb \uc774\ud574\ud558\uac70\ub098 \uc704\uc870\ud488\uc744 \uc218\uc6a9\ud558\uba74 \uc555\ub825 \uc6a9\uae30 \uc870\uc778\ud2b8\uac00 \uce58\uba85\uc801\uc73c\ub85c \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uc5d4\uc9c0\ub2c8\uc5b4, \uad6c\ub9e4\ud300, \ud488\uc9c8\uad00\ub9ac \uc804\ubb38\uac00\ub4e4\uc774 \uc790\uc2e0 \uc788\uac8c \uc0ac\uc591\uc744 \uc815\ud558\uace0, \uc18c\uc2f1\ud558\uba70, \uac80\uc99d\ud560 \uc218 \uc788\ub3c4\ub85d \uc54c\ud30c\ubcb3 \ud63c\ub780\uc744 \ud574\uc18c\ud569\ub2c8\ub2e4. <strong>ASTM A193<\/strong> \ud328\uc2a4\ub108\ub780 \ubb34\uc5c7\uc778\uac00?<\/p>\n<hr \/>\n<h2>ASTM A193\ub780?<\/h2>\n<p><strong>ASTM A193<\/strong> (\uc804\uccb4 \uc81c\ubaa9: <em>\uace0\uc628 \ub610\ub294 \uace0\uc555 \uc11c\ube44\uc2a4 \ubc0f \uae30\ud0c0 \ud2b9\uc218 \ubaa9\uc801\uc6a9 \ud569\uae08\uac15 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubcfc\ud305 \ud45c\uc900 \uaddc\uaca9<\/em>)\uc740 \uc7ac\ub8cc \uc2dc\ud5d8\uacfc \uc81c\ud488 \uc0ac\uc591\uc744 \uad00\ub9ac\ud558\ub294 \uae00\ub85c\ubc8c \ud45c\uc900 \uae30\uad00\uc778 <a href=\"https:\/\/www.astm.org\/\" target=\"_blank\" rel=\"noopener\">ASTM \uad6d\uc81c<\/a>\uc5d0 \uc758\ud574 \ucd9c\ud310\ub418\uace0 \uc720\uc9c0\ub429\ub2c8\ub2e4. \uc774 \uaddc\uaca9\uc740 1936\ub144\uc5d0 \ucc98\uc74c \uc2b9\uc778\ub418\uc5c8\uc73c\uba70, \uc774\ud6c4 \uc5ec\ub7ec \ucc28\ub840 \uac1c\uc815\ub418\uc5c8\uc73c\uba70, \ud604\uc7ac \ud65c\uc131 \ubc84\uc804\uc740 A193\/A193M-26\uc785\ub2c8\ub2e4.<\/p>\n<p>ASTM A193\ub294 \ubcfc\ud2b8, \ub098\uc0ac, \uc2a4\ud130\ub4dc, \uc2a4\ud130\ub4dc \ubcfc\ud2b8\uc758 \uc7ac\ub8cc \uc694\uad6c\uc0ac\ud56d, \uc5f4\ucc98\ub9ac, \uae30\uacc4\uc801 \uc131\uc9c8, \uce58\uc218 \ud5c8\uc6a9\uc624\ucc28, \ud45c\uae30 \ubc0f \uc2dc\ud5d8\uc5d0 \uad00\ud55c \uaddc\uc815\uc744 \ud3ec\ud568\ud558\uba70, \ub2e4\uc74c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc555\ub825 \uc6a9\uae30<\/strong> (ASME \uc139\uc158 VIII \uc801\uc6a9)<\/li>\n<li><strong>\ud50c\ub79c\uc9c0 \ubc0f \ud30c\uc774\ud504 \ud53c\ud305<\/strong> \uace0\uc628 \uc2dc\uc2a4\ud15c\uc5d0\uc11c<\/li>\n<li><strong>\ubc38\ube0c<\/strong> \uc11d\uc720, \ud654\ud559, \ubc1c\uc804 \uc11c\ube44\uc2a4\uc5d0\uc11c<\/li>\n<li><strong>\uad6c\uc870\uc6a9 \uc575\ucee4 \ubcfc\ud2b8<\/strong> \ud2b9\uc218 \uac74\uc124\uc5d0\uc11c<\/li>\n<li>\uace0\uc628, \uace0\uc555 \ub610\ub294 \uacf5\uaca9\uc801\uc778 \ud658\uacbd\uc774 \uac80\uc99d\ub41c \uae30\uacc4\uc801 \uc131\uc9c8\uc744 \uc694\uad6c\ud558\ub294 \uae30\ud0c0 '\ud2b9\uc218 \ubaa9\uc801' \uc6a9\ub3c4<\/li>\n<\/ul>\n<p>\uc9c0\uc815 \uc2dc\uc2a4\ud15c\uc740 \ubb38\uc790-\uc22b\uc790 \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubb38\uc790\ub294 \ud569\uae08 \uc885\ub958\ub97c \ub098\ud0c0\ub0b4\uba70 (B = \ud569\uae08 \ub610\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4, L = \uc800\uc628\uc6a9 \uc800\ud569\uae08), \uc22b\uc790\ub294 \ud2b9\uc815 \ub4f1\uae09\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uaddc\uaca9\uc758 'M' \uc811\ubbf8\uc0ac (A193M)\ub294 \ubbf8\ud130 \ub2e8\uc704\ub97c \uc758\ubbf8\ud558\uba70, \uae30\ubcf8 \ud654\ud559 \uc131\ubd84\uacfc \uc131\uc9c8\uc740 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubc94\uc704\uc640 \ubaa9\uc801<\/h3>\n<p>\ubcf8 \uaddc\uaca9\uc758 \ud575\uc2ec \ubaa9\uc801\uc740 <strong>ASTM A193<\/strong> \ucd94\uc801 \uac00\ub2a5\uc131\uc785\ub2c8\ub2e4. 600\u00b0F \uc2a4\ud300 \ud5e4\ub354\uc758 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8\uac00 \uc2e4\ud328\ud560 \uacbd\uc6b0, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uadf8\ub4e4\uc774 \uc791\uc5c5\ud558\uace0 \uc788\ub358 \uc7ac\ub8cc\uac00 \uc815\ud655\ud788 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. A193\uc740 \uac01 \ubcfc\ud2b8\uc5d0 \ub300\ud55c \uc5f4 \ubc88\ud638, \uc778\uc99d\ub41c \ubc00 \ud14c\uc2a4\ud2b8 \ubcf4\uace0\uc11c(CMTR) \ubc0f \ubb3c\ub9ac\uc801 \ud45c\uae30\ub97c \uc694\uad6c\ud558\uc5ec, \uc81c\ucca0\uc18c\uc5d0\uc11c \uc124\uce58\ub41c \uc870\uc778\ud2b8\uae4c\uc9c0\uc758 \ub04a\uc5b4\uc9c0\uc9c0 \uc54a\ub294 \ubb38\uc11c \uccb4\uc778\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub294 \ub2e8\uc21c\ud788 '4140 \uac15\ucca0 \ubcfc\ud2b8'\ub97c \uc8fc\ubb38\ud558\ub294 \uac83\uacfc \ub2e4\ub985\ub2c8\ub2e4. 4140\uc744 \uc8fc\ubb38\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc5f4\ucc98\ub9ac\ub418\uc9c0 \uc54a\uc740 \uc7ac\ub8cc\ub97c \ubc1b\uac70\ub098 \uc798\ubabb\ub41c \uacbd\ub3c4\ub85c \uc5f4\ucc98\ub9ac\ub41c \uc7ac\ub8cc\ub97c \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>ASTM A193<\/strong> \ud2b9\uc815 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c \uc0ac\uc774\ud074, \uac01 \uc5f4\uc5d0 \ub300\ud55c \uc778\uc7a5 \ud14c\uc2a4\ud2b8 \ubc0f \ud544\uc218 \uacbd\ub3c4 \ud55c\uacc4\ub97c \uc758\ubb34\ud654\ud558\uc5ec \uadf8 \ubaa8\ud638\uc131\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc5ed\uc0ac \ubc0f \ubc1c\uc804<\/h3>\n<p>ASTM International\uc740 1930\ub144\ub300\uc5d0 \ubbf8\uad6d\uc758 \uc11d\uc720 \uc815\uc81c \ubc0f \ubc1c\uc804 \uc0b0\uc5c5\uc758 \uc131\uc7a5\uacfc \ud568\uaed8 A193\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. \ucd08\uae30 \ud310\uc740 \uc2a4\ud300 \uc11c\ube44\uc2a4\uc6a9 \ud569\uae08 \uac15\ucca0 \ub4f1\uae09 \uba87 \uac00\uc9c0\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdc4\uc2b5\ub2c8\ub2e4. \uc218\uc2ed \ub144\uc5d0 \uac78\uccd0, \ud654\ud559 \uac00\uacf5\uc5d0\uc11c \ubd80\uc2dd \uc800\ud56d \ubcfc\ud305\uc774 \uc694\uad6c\ub428\uc5d0 \ub530\ub77c \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uac15 \ub4f1\uae09(B8 \uacc4\uc5f4)\uc774 \ucd94\uac00\ub418\uc5c8\uace0, B16\uacfc \uac19\uc740 \ud2b9\uc218 \ub4f1\uae09\uc774 \uace0\uc628 \uc751\uc6a9\uc744 \uc704\ud574 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uaddc\uaca9 \uc2dc\ub300<\/th>\n<th>\uc8fc\uc694 \ucd94\uac00 \uc0ac\ud56d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1936\u20131960<\/td>\n<td>B7, B8 \ub4f1\uae09 \uc124\uc815<\/td>\n<\/tr>\n<tr>\n<td>1961\u20131990<\/td>\n<td>B8M, B16 \ucd94\uac00; \ubbf8\ud130\ubc95 \ubc84\uc804(M) \ubc1c\ud589<\/td>\n<\/tr>\n<tr>\n<td>1991\u20132010<\/td>\n<td>B7M(\uc0b0\uc131 \uc11c\ube44\uc2a4), B8 \ud074\ub798\uc2a4 2 \uc778\uc7a5 \uc694\uad6c \uc0ac\ud56d \uc815\uc81c<\/td>\n<\/tr>\n<tr>\n<td>2011\u2013\ud604\uc7ac<\/td>\n<td>2\u20133\ub144\ub9c8\ub2e4 \uc8fc\uae30\uc801\uc778 \uac1c\uc815; ASTM A193-2026\uc774 \ud604\uc7ac \ubc84\uc804\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>ASTM A193 \ub4f1\uae09: \ud569\uae08 \uac15\ucca0<\/h2>\n<p>ASTM A193\uc740 \ud328\uc2a4\ub108 \uc7ac\ub8cc\ub97c \uba85\ud655\ud558\uac8c \uc815\uc758\ub41c \ub4f1\uae09\uc73c\ub85c \uc870\uc9c1\ud569\ub2c8\ub2e4. \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub4f1\uae09\uc740 \ub450 \uac1c\uc758 \uacc4\uc5f4\ub85c \ub098\ub269\ub2c8\ub2e4: <strong>\ud569\uae08 \uac15\ucca0\uacfc\ub294 \ub2e4\ub978 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 \uc2a4\ud504\ub9c1 \ud2b9\uc131\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/strong> (\ube44\uc2a4\ud14c\uc778\ub9ac\uc2a4) \ubc0f <strong>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/strong>. \uba3c\uc800 \ud569\uae08 \uac15\ucca0 \ub4f1\uae09\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" alt=\"astm a193 \u2014 \ub4f1\uae09 \ub9c8\ud0b9\uacfc \ud568\uaed8 \ub098\ub780\ud788 \ube44\uad50\ud55c \ud569\uae08\uac15 B7 \uc2a4\ud130\ub4dc\uc640 \uc2a4\ud14c\uc778\ub9ac\uc2a4 B8 \ubcfc\ud2b8 \uc77c\ub7ec\uc2a4\ud2b8\ub808\uc774\uc158\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/02-types-23.png\" \/><\/p>\n<h3>B7 \ub4f1\uae09 \u2014 \uc0b0\uc5c5\uc758 \uc77c\uafbc<\/h3>\n<p><strong>ASTM A193 Grade B7<\/strong> \uc11d\uc720 \ubc0f \uac00\uc2a4, \ubc1c\uc804, \uc77c\ubc18 \uc0b0\uc5c5 \uac74\uc124\uc5d0\uc11c \uc9c0\ubc30\uc801\uc778 \ud328\uc2a4\ub108 \ub4f1\uae09\uc785\ub2c8\ub2e4. \ud50c\ub79c\uc9c0 \ud30c\uc774\ud504 \uc2dc\uc2a4\ud15c \uadfc\ucc98\uc5d0\uc11c \uc791\uc5c5\ud55c \uc801\uc774 \uc788\ub2e4\uba74 B7 \uc2a4\ud130\ub4dc\ub97c \ub9cc\uc838\ubcf8 \uc801\uc774 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc7ac\ub8cc: \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374(Cr-Mo) \ud569\uae08 \uac15\ucca0, \ud2b9\ud788 AISI 4140 \ub610\ub294 4142, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uac83\uc785\ub2c8\ub2e4. Cr-Mo \ud654\ud559 \uc870\uc131\uc740 B7\uc5d0 \ub192\uc740 \uac15\ub3c4, \uc778\uc131 \ubc0f \uc911\uac04 \uc628\ub3c4\uc5d0\uc11c\uc758 \ud06c\ub9ac\ud504 \uc800\ud56d\uc131\uc744 \uc6b0\uc218\ud558\uac8c \uc870\ud569\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n<p><strong>B7\uc758 \uae30\uacc4\uc801 \ud2b9\uc131 \uc694\uad6c \uc0ac\ud56d(\ucd5c\ub300 4\uc778\uce58 \uc9c1\uacbd):<\/strong><br \/>\n\u2013 \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4: 125 ksi (860 MPa)<br \/>\n\u2013 \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4 (0.2% \uc624\ud504\uc14b): 105 ksi (725 MPa)<br \/>\n\u2013 \ucd5c\uc18c \uc5f0\uc2e0\uc728: 16%<br \/>\n\u2013 \ucd5c\uc18c \ub2e8\uba74\uc801 \uac10\uc18c\uc728: 50%<br \/>\n\u2013 \ucd5c\ub300 \uacbd\ub3c4: 35 HRC (321 HB)<\/p>\n<p>\uc628\ub3c4 \ud55c\uacc4: <strong>ASTM A193<\/strong> B7 \ub4f1\uae09\uc740 \ud06c\ub9ac\ud504\uac00 \ubb38\uc81c\uac00 \ub418\uae30 \uc804\uc5d0 \uc5f0\uc18d \uc11c\ube44\uc2a4\uc5d0\uc11c \uc57d 450\u00b0F (232\u00b0C)\ub85c \ud3c9\uac00\ub429\ub2c8\ub2e4. \uc774 \uc784\uacc4\uac12\uc744 \ucd08\uacfc\ud558\uba74 B16 \ub4f1\uae09 \ub610\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub4f1\uae09\uc774 \uc120\ud638\ub429\ub2c8\ub2e4.<\/p>\n<p>\ud45c\uc900\uc740 \ub610\ud55c \ud06c\uae30 \uae30\ubc18\uc758 \ud2b9\uc131 \ub2e8\uacc4\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. 4\uc778\uce58\ubcf4\ub2e4 \ud070 \ubcfc\ud2b8\ub294 \ub2f4\uae08\uc9c8 \uc911\uc5d0 \ub354 \ub290\ub9ac\uac8c \ub0c9\uac01\ub418\uae30 \ub54c\ubb38\uc5d0 \ucd5c\uc18c \uc778\uc7a5 \ubc0f \ud56d\ubcf5 \uc694\uad6c \uc0ac\ud56d\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \uc870\ub2ec \ud300\uc740 \uc885\uc885 \uc774\ub97c \uac04\uacfc\ud569\ub2c8\ub2e4 \u2014 \uc9c1\uacbd\uc744 \uc5b8\uae09\ud558\uc9c0 \uc54a\uace0 'B7'\uc744 \uc9c0\uc815\ud558\uba74 \ub300\ud615 \uc575\ucee4 \ubcfc\ud2b8\uc5d0\uc11c \uac15\ub3c4\uac00 \ud06c\uac8c \ub0ae\uc740 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>B7M \ub4f1\uae09 \u2014 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc11c\ube44\uc2a4\uc6a9\uc73c\ub85c \uc218\uc815\ub428<\/h3>\n<p><strong>ASTM A193 B7M \ub4f1\uae09<\/strong> \uc740 NACE MR0175 \/ ISO 15156 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc9c4 B7\uc758 \ud669\ud654\uc218\uc18c \uc800\ud56d \ubcc0\ud615\uc785\ub2c8\ub2e4. \ud654\ud559 \uc870\uc131\uc740 \ub3d9\uc77c\ud55c 4140\/4142 \uae30\ubc18\uc774\uc9c0\ub9cc B7M\uc740 <strong>\ucd5c\ub300 \uacbd\ub3c4\ub97c 22 HRC (237 HB)\ub85c \ub0ae\ucd94\uc5b4 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/strong>.<\/p>\n<p>\ud669\ud654\uc218\uc18c \uc11c\ube44\uc2a4\uc5d0\uc11c \uacbd\ub3c4\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694? \uace0\uacbd\ub3c4 \uac15\ucca0\uc740 <strong>\ud669\ud654\ubb3c \uc751\ub825 \uade0\uc5f4(SSC)<\/strong> \uc774 \uc2b5\uae30 \uc788\ub294 H\u2082S \ud658\uacbd\uc5d0\uc11c \ucde8\uc57d\ud569\ub2c8\ub2e4. \uacbd\ub3c4\ub97c 22 HRC \uc774\ud558\ub85c \uc720\uc9c0\ud568\uc73c\ub85c\uc368 B7M\uc740 B7\uc774 \ud669\uac00\uc2a4 \uc6b0\ubb3c \ubc0f \ud558\ub958 \ucc98\ub9ac\uc5d0\uc11c \uc704\ud5d8\ud55c \uc774\uc720\uc778 \uc218\uc18c \ucde8\uc131 \uba54\ucee4\ub2c8\uc998\uc5d0 \uc800\ud56d\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc2e4\uc81c\ub85c B7M\uc740 \ub3d9\uc77c\ud55c \uc9c1\uacbd\uc5d0\uc11c B7\ubcf4\ub2e4 \uc778\uc7a5 \uac15\ub3c4\uac00 \uc57d 15\u201320% \ub0ae\uc2b5\ub2c8\ub2e4. \uc870\uc778\ud2b8 \ud558\uc911\uc774 \uadf8\uc5d0 \ub9de\uac8c \ud06c\uae30\uac00 \uc870\uc815\ub418\uae30 \ub54c\ubb38\uc5d0 \ud669 \uc11c\ube44\uc2a4\uc5d0\uc11c\ub294 \uc774 \uc808\ucda9\uc774 \ud5c8\uc6a9\ub429\ub2c8\ub2e4 \u2014 \uadf8\ub7ec\ub098 B7 \uac15\ub3c4\uac00 \uc124\uacc4 \uacc4\uc0b0\uc758 \uc77c\ubd80\uc600\ub358 \ube44\ud669 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 B7M\uc744 \ub300\uccb4\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<h3>B16 \ub4f1\uae09 \u2014 \uace0\uc628 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374-\ubc14\ub098\ub4d0<\/h3>\n<p><strong>ASTM A193 \ub4f1\uae09 B16<\/strong> \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374-\ubc14\ub098\ub4d0(Cr-Mo-V) \ud569\uae08\uac15\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubc14\ub098\ub4d0 \ucd94\uac00\ub294 \uace0\uc628\uc5d0\uc11c \uacb0\uc815\ub9bd \uc131\uc7a5\uc744 \uc800\ud56d\ud558\ub294 \ubbf8\uc138\ud55c \uce74\ubc14\uc774\ub4dc\ub97c \uc0dd\uc131\ud558\uc5ec B16\uc774 \uc801\ud569\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. <strong>1000\u00b0F(538\u00b0C)\uae4c\uc9c0\uc758 \uc9c0\uc18d\uc801\uc778 \uc11c\ube44\uc2a4<\/strong>.<\/p>\n<p>\uc5f4\ucc98\ub9ac: 1700\u20131750\u00b0F(927\u2013955\u00b0C)\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654, \uc624\uc77c \ub2f4\uae08\uc9c8, \uadf8 \ud6c4 \ud15c\ud37c\ub9c1. \uacbd\ub3c4: 253\u2013319 HB(25\u201334 HRC).<\/p>\n<p>B16\uc740 \uc99d\uae30 \ud130\ube48 \ucf00\uc774\uc2f1, \uace0\uc555 \ubcf4\uc77c\ub7ec \uc5f0\uacb0 \ubc0f B7\uc758 \uc628\ub3c4 \ud55c\uacc4\uac00 \ubd80\uc871\ud55c \uc11d\uc720\ud654\ud559 \ubc18\uc751\uae30\uc5d0\uc11c \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. B7\ubcf4\ub2e4 \uc0c1\ub2f9\ud788 \ube44\uc309\ub2c8\ub2e4 \u2014 \uc2e4\uc81c\ub85c \uc6b0\ub9ac\ub294 \ub300\uad6c\uacbd \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c B16 \uc2a4\ud130\ub4dc\uac00 \ub3d9\ub4f1\ud55c B7\uc758 3\u20134\ubc30 \ube44\uc6a9\uc73c\ub85c \uc6b4\uc601\ub418\ub294 \uac83\uc744 \ubcf4\uc558\uc2b5\ub2c8\ub2e4 \u2014 \ub530\ub77c\uc11c B7\ub85c \ucda9\ubd84\ud55c \uacf3\uc5d0 B16\uc744 \uc9c0\uc815\ud558\ub294 \uac83\uc740 \uc2e0\ub8b0\uc131\uc744 \ucd94\uac00\ud558\uc9c0 \uc54a\uace0 \ub3c8\uc744 \ub0ad\ube44\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>ASTM A193\uc5d0 \ub530\ub978 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub4f1\uae09<\/h2>\n<h3>\ub4f1\uae09 B8 \u2014 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/h3>\n<p><strong>ASTM A193 \ub4f1\uae09 B8<\/strong> AISI 304 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc73c\ub85c \ub9cc\ub4e0 \ubcfc\ud305\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \u201cB8\u201d \uc9c0\uc815\ub9cc\uc73c\ub85c\ub294 \uace0\uac15\ub3c4\ub97c \uc758\ubbf8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4 \u2014 \ub450 \uac00\uc9c0 \ud074\ub798\uc2a4\uac00 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud074\ub798\uc2a4 1(\uc6a9\ud574 \uc5b4\ub2d0\ub9c1):<\/strong> \ucd5c\ub300 \ubd80\uc2dd \uc800\ud56d\uc744 \uc704\ud574 \uce74\ubc14\uc774\ub4dc \uc6a9\ud574 \ucc98\ub9ac(\uc5b4\ub2d0\ub9c1)\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uac15\ub3c4\ub294 \ub0ae\uc9c0\ub9cc \uc6b0\uc218\ud55c \uc5f0\uc131\uacfc \uc6a9\uc811\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4: \uc791\uc740 \uc9c1\uacbd\uc758 \uacbd\uc6b0 75 ksi(515 MPa).<\/li>\n<li><strong>\ud074\ub798\uc2a4 2(\ubcc0\ud615 \uacbd\ud654):<\/strong> \uac15\ub3c4\ub97c \ub192\uc774\uae30 \uc704\ud574 \uc6a9\ud574 \ucc98\ub9ac \ud6c4 \ub0c9\uac04 \uac00\uacf5\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4: \u2264\u00be\uc778\uce58 \uc9c1\uacbd\uc758 \uacbd\uc6b0 125 ksi(860 MPa), \ud06c\uae30\uc5d0 \ub530\ub77c \uac10\uc18c\ud569\ub2c8\ub2e4. \ubd80\uc2dd \uc800\ud56d\uacfc \uad6c\uc870\uc801 \uac15\ub3c4\uac00 \ubaa8\ub450 \ud544\uc694\ud55c \uacf3\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>ASTM A193 \ub4f1\uae09 B8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778\uac00\uc694?<\/strong> \ub124 \u2014 \ub4f1\uae09 B8\uc740 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc785\ub2c8\ub2e4. \uc6a9\ud574 \uc5b4\ub2d0\ub9c1 \ud6c4 \uc790\uc131\uc774 \uc5c6\uc2b5\ub2c8\ub2e4(\ub0c9\uac04 \uac00\uacf5 \uc2dc \uc57d\uac04 \uc790\uc131\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4).<\/p>\n<h3>\ub4f1\uae09 B8M \u2014 \ubd80\uc2dd \ud658\uacbd\uc744 \uc704\ud55c 316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/h3>\n<p><strong>ASTM A193 \ub4f1\uae09 B8M<\/strong> AISI 316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc0ac\uc6a9\ud558\uba70, \uc774\ub294 304 \uae30\ubcf8 \ud654\ud559 \uc870\uc131\uc5d0 \ubab0\ub9ac\ube0c\ub374(2\u20133%)\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. \ubab0\ub9ac\ube0c\ub374\uc740 \uc5fc\ud654\ubb3c \ud53c\ud305 \ubc0f \ud2c8\uc0c8 \ubd80\uc2dd\uc5d0 \ub300\ud55c \uc800\ud56d\uc744 \uadf9\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4 \u2014 B8M\uc740 \ud574\uc548 \ud658\uacbd, \ud574\uc218 \uc11c\ube44\uc2a4, \ud560\ub77c\uc774\ub4dc\ub97c \ucc98\ub9ac\ud558\ub294 \ud654\ud559 \uacf5\uc7a5 \ubc0f \uc2dd\ud488 \uac00\uacf5 \uc7a5\ube44\uc5d0 \uc801\ud569\ud55c \ub4f1\uae09\uc785\ub2c8\ub2e4.<\/p>\n<p>B8\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c B8M\uc740 \ud074\ub798\uc2a4 1(\uc6a9\ud574 \uc5b4\ub2d0\ub9c1) \ubc0f \ud074\ub798\uc2a4 2(\ubcc0\ud615 \uacbd\ud654)\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \ud074\ub798\uc2a4 2 B8M\uc740 316\uc758 \ubd80\uc2dd \uc800\ud56d\uacfc \uad6c\uc870\uc801 \uac15\ub3c4\uac00 \ubaa8\ub450 \ud544\uc694\ud55c \ud574\uc800 \uc6f0\ud5e4\ub4dc \ubc0f \uc5f4\uad50\ud658\uae30\uc5d0\uc11c \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ud074\ub798\uc2a4 1 \ub300 \ud074\ub798\uc2a4 2: \uc911\uc694\ud55c \uad6c\ubd84<\/h3>\n<p>\ud074\ub798\uc2a4\ub97c \uc9c0\uc815\ud558\uc9c0 \uc54a\uace0 \u201cB8 \ubcfc\ud2b8\u201d \uc8fc\ubb38\ud558\ub294 \uac83\uc740 \uc77c\ubc18\uc801\uc778 \uc870\ub2ec \uc624\ub958\uc785\ub2c8\ub2e4. \ud074\ub798\uc2a4 1\uacfc \ud074\ub798\uc2a4 2\ub294 <strong>\uac19\uc740 \uc7ac\ub8cc \ud654\ud559 \uc131\ubd84\uc744 \uac00\uc9c0\uace0 \uc788\uc9c0\ub9cc<\/strong> \uc778\uc7a5 \uac15\ub3c4\uc5d0\uc11c 50+ ksi \ucc28\uc774\uac00 \ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud074\ub798\uc2a4 2 \uc778\uc7a5 \ud558\uc911\uc744 \uc704\ud574 \uc124\uacc4\ub41c \uc870\uc778\ud2b8\ub294 \ud074\ub798\uc2a4 1\uc774 \ub300\uc2e0 \ub3c4\ucc29\ud558\uba74 \uc0c1\ub2f9\ud788 \uac15\ub3c4\uac00 \ubd80\uc871\ud560 \uac83\uc785\ub2c8\ub2e4. \ud56d\uc0c1 \ub4f1\uae09\uacfc \ud074\ub798\uc2a4\ub97c \ubaa8\ub450 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624: \u201cASTM A193 Grade B8M Class 2.\u201d<\/p>\n<hr \/>\n<h2>\uae30\uacc4\uc801 \uc131\uc9c8 \ube44\uad50<\/h2>\n<p>\uc544\ub798 \ud45c\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 <strong>ASTM A193<\/strong> \ub4f1\uae09\uc5d0 \ub300\ud55c \uc8fc\uc694 \uae30\uacc4\uc801 \uc131\uc9c8 \uc694\uad6c \uc0ac\ud56d\uc744 \uc694\uc57d\ud569\ub2c8\ub2e4 (\uc694\uad6c \uc0ac\ud56d\uc774 \uac00\uc7a5 \ub192\uc740 \ucd5c\uc18c \uc9c1\uacbd \ubc94\uc704\uc758 \uac12):<\/p>\n<table>\n<thead>\n<tr>\n<th>\ub4f1\uae09<\/th>\n<th>\uc7ac\uc9c8<\/th>\n<th>\ucd5c\uc18c \uc778\uc7a5 (ksi)<\/th>\n<th>\ucd5c\uc18c \ud56d\ubcf5 (ksi)<\/th>\n<th>\ucd5c\ub300 \uacbd\ub3c4<\/th>\n<th>\uc628\ub3c4 \ud55c\uacc4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B7<\/td>\n<td>4140\/4142 Cr-Mo \uac15\ucca0<\/td>\n<td>125<\/td>\n<td>105<\/td>\n<td>35 HRC<\/td>\n<td>~450\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>B7M<\/td>\n<td>4140\/4142 Cr-Mo (\uc800\uacbd\ub3c4)<\/td>\n<td>100<\/td>\n<td>80<\/td>\n<td>22 HRC<\/td>\n<td>~450\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>B16<\/td>\n<td>Cr-Mo-V \ud569\uae08 \uac15\ucca0<\/td>\n<td>125<\/td>\n<td>105<\/td>\n<td>34 HRC<\/td>\n<td>~1000\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>B8 Cl.1<\/td>\n<td>304 \uc2a4\ud14c\uc778\ub9ac\uc2a4<\/td>\n<td>75<\/td>\n<td>30<\/td>\n<td>\u2014<\/td>\n<td>~427\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>B8 Cl.2<\/td>\n<td>304 SS (\ubcc0\ud615 \uacbd\ud654)<\/td>\n<td>125<\/td>\n<td>100<\/td>\n<td>35 HRC<\/td>\n<td>~427\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>B8M Cl.1<\/td>\n<td>316 \uc2a4\ud14c\uc778\ub9ac\uc2a4<\/td>\n<td>75<\/td>\n<td>30<\/td>\n<td>\u2014<\/td>\n<td>~427\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>B8M Cl.2<\/td>\n<td>316 SS (\ubcc0\ud615 \uacbd\ud654)<\/td>\n<td>125<\/td>\n<td>100<\/td>\n<td>35 HRC<\/td>\n<td>~427\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>\ucd9c\ucc98: ASTM A193\/A193M \ud45c\uc900; \uc9c1\uacbd \u2264 \u00be \uc778\uce58 \ub610\ub294 \ub3d9\ub4f1\ud55c \ucd5c\uc18c \ubc94\uc704 \ub2e8\uacc4\uc5d0 \ub300\ud55c \ud2b9\uc131 \ud45c\uc2dc.<\/em><\/p>\n<hr \/>\n<h2>\uc62c\ubc14\ub978 ASTM A193 \ub4f1\uae09 \uc120\ud0dd \ubc29\ubc95<\/h2>\n<p>\ub4f1\uae09 \uc120\ud0dd\uc740 <strong>ASTM A193<\/strong> \ubcfc\ud305\uc740 \uc138 \uac00\uc9c0 \uad50\ucc28 \uc694\uc778: \uc628\ub3c4, \ud658\uacbd \ubc0f \uc694\uad6c \uac15\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774 \uc138 \uac00\uc9c0\ub97c \ubaa8\ub450 \ub9de\ucd94\uba74 \uc11c\ube44\uc2a4 \uc218\uba85 \ub3d9\uc548 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc870\uc778\ud2b8\uac00 \ub429\ub2c8\ub2e4. \ud558\ub098\ub9cc \ucd5c\uc801\ud654\ud558\uba74 \uacfc\ub3c4\ud55c \ube44\uc6a9 \uc9c0\ucd9c\uc774\ub098 \uc124\uacc4 \ubd80\uc871\uc758 \uc704\ud5d8\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" alt=\"astm a193 \u2014 \uc628\ub3c4 \ud658\uacbd \ubc0f \uc555\ub825 \uc11c\ube44\uc2a4 \uc870\uac74\uc5d0 \ub530\ub978 \ub4f1\uae09 \uc120\ud0dd \ud504\ub85c\uc138\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uacb0\uc815 \ud750\ub984\ub3c4\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/03-howto-25.png\" \/><\/p>\n<h3>\uc628\ub3c4 \uae30\ubc18 \uc120\ud0dd<\/h3>\n<p>\uc5ec\uae30\uc11c \uc2dc\uc791\ud558\uc138\uc694. \uc628\ub3c4\ub294 \uc5b4\ub5a4 \ud569\uae08 \uacc4\uc5f4\uc774 \uc790\uaca9\uc774 \uc788\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>250\u00b0F (121\u00b0C) \uc774\ud558, \ube44\ubd80\uc2dd\uc131:<\/strong> B7 \ub4f1\uae09\uc740 \uac70\uc758 \ud56d\uc0c1 \uc62c\ubc14\ub978 \uc120\ud0dd\uc785\ub2c8\ub2e4. \ub110\ub9ac \uc0ac\uc6a9 \uac00\ub2a5\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc774\uba70 \uc218\ucc9c \uac1c\uc758 \uc124\uce58\uc5d0\uc11c \uc131\ub2a5\uc774 \ubb38\uc11c\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>250\u00b0F\u2013450\u00b0F (121\u00b0C\u2013232\u00b0C):<\/strong> B7\uc740 \uc5ec\uc804\ud788 \uc720\ud6a8\ud558\uc9c0\ub9cc, \ud2b9\ud788 \uc7a5\uae30 \uc9c0\uc18d \ud558\uc911\uc5d0 \ub300\ud574 \uc870\uc778\ud2b8 \uc124\uacc4\uc5d0\uc11c \ud06c\ub9ac\ud504 \ud5c8\uc6a9\uce58\ub97c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>450\u00b0F\u20131000\u00b0F (232\u00b0C\u2013538\u00b0C):<\/strong> B16 \ub4f1\uae09\uc740 \uc8fc\uc694 \ud569\uae08 \uac15\ucca0 \uc635\uc158\uc785\ub2c8\ub2e4. \ub610\ub294 \ubd80\uc2dd \uc800\ud56d\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub4f1\uae09 B8\/B8M\uc774 \uc774 \ubc94\uc704\uc5d0\uc11c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>1000\u00b0F (538\u00b0C) \uc774\uc0c1:<\/strong> ASTM A193\ub294 \uc801\uc6a9 \ubc94\uc704\ub97c \uc783\uc2b5\ub2c8\ub2e4; ASTM A453(\uce68\uc804 \uacbd\ud654 \ud569\uae08) \ub610\ub294 \ub2c8\ucf08 \uae30\ubc18 \ucd08\ud569\uae08\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<h3>\ud658\uacbd \ubc0f \ubd80\uc2dd \uace0\ub824 \uc0ac\ud56d<\/h3>\n<p>\uc628\ub3c4\ub9cc\uc73c\ub85c \ub4f1\uae09\uc744 \uacb0\uc815\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ud654\ud559\uc801 \ud658\uacbd\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624:<\/p>\n<ul>\n<li><strong>\uc0b0\uc131 \uc11c\ube44\uc2a4(H\u2082S \ud3ec\ud568):<\/strong> NACE MR0175\uc5d0 \ub530\ub77c B7M\uc774 \ud544\uc218\uc785\ub2c8\ub2e4. \uc555\ub825\uc774\ub098 \uc628\ub3c4\uc5d0 \uad00\uacc4\uc5c6\uc774 \ud45c\uc900 B7\uc744 \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc5fc\ud654\ubb3c \ub18d\ub3c4\uac00 \ub192\uc740 \ud658\uacbd(\ud574\uc591, \ubc14\ub2f7\ubb3c, \uc77c\ubd80 \ud654\ud559 \uacf5\uc815):<\/strong> B8M \ub4f1\uae09(316 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8). B8(304 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8)\uc740 \uc5fc\ud654\ubb3c \ud658\uacbd\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc608\uc0c1\ud558\ub294 \uac83\ubcf4\ub2e4 \ub354 \ube60\ub974\uac8c \ubd80\uc2dd\ub429\ub2c8\ub2e4 \u2014 \uc2ec\uc9c0\uc5b4 \uba85\ubaa9\uc0c1 '\uacbd\ub7c9' \uc11c\ube44\uc2a4\uc5d0\uc11c\ub3c4.<\/li>\n<li><strong>\uc0b0\ud654\uc131 \uc0b0(\uc9c8\uc0b0, \ud06c\ub86c\uc0b0):<\/strong> B8(304 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8)\uc740 \ud5c8\uc6a9\ub429\ub2c8\ub2e4; B8M\uc740 \uc5ec\uae30\uc11c \ud56d\uc0c1 \uc6b0\uc218\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubab0\ub9ac\ube0c\ub374\uc774 \uc0b0\ud654\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ud658\uc6d0\uc131 \uc0b0(\uc5fc\uc0b0, \ud669\uc0b0):<\/strong> B8\uc640 B8M \ubaa8\ub450 \ub192\uc740 \ub18d\ub3c4\uc5d0\uc11c \uc644\uc804\ud788 \uc800\ud56d\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubd80\uc2dd \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc0c1\ub2f4\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc57c\uc678 \ub300\uae30 \ub178\ucd9c(\ube44\ud574\uc591):<\/strong> \uc544\uc5f0 \uc778\uc0b0\uc5fc \ucf54\ud305 \ub610\ub294 \uc5f4\uac04 \uc544\uc5f0 \ub3c4\uae08\ub41c B7\uc740 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4. B8M\uc740 \uac74\uc870\ud558\uace0 \ube44\uc5fc\ud654\ubb3c \ub300\uae30\uc5d0\uc11c \uc758\ubbf8 \uc788\ub294 \uc774\uc810\uc744 \ucd94\uac00\ud558\uc9c0 \uc54a\uace0 \ub354 \ube44\uc309\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc555\ub825 \ub4f1\uae09 \ubc0f \ud558\uc911 \uc694\uad6c \uc0ac\ud56d<\/h3>\n<p>\ubcfc\ud2b8\uc758 \uc870\uc778\ud2b8\uc5d0\uc11c\uc758 \uc5ed\ud560\uc774 \ud544\uc694\ud55c \ucd5c\uc18c \uac15\ub3c4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc744 \uc704\ud574: <strong>ASTM A193<\/strong> A194 Grade 2H \uc911\ub7c9 \uc721\uac01 \ub108\ud2b8\uc640 \uc30d\uc744 \uc774\ub8e8\ub294 B7 \ub4f1\uae09 \uc2a4\ud130\ub4dc \u2014 \uc0b0\uc5c5 \ubc30\uad00\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubcfc\ud2b8 \ud50c\ub79c\uc9c0 \uc870\ud569 \u2014 \uc870\uc778\ud2b8 \uc6a9\ub7c9\uc740 \ub2e4\uc74c \uc911 \ub0ae\uc740 \uac12\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\ubcfc\ud2b8 \uc778\uc7a5 \uc6a9\ub7c9(\uba74\uc801 \u00d7 \uc778\uc7a5 \uac15\ub3c4)<\/li>\n<li>\uac00\uc2a4\ucf13 \uc555\ucc29 \ud55c\uacc4<\/li>\n<li>\ud50c\ub79c\uc9c0 \ub9ac\uadf8\uba3c\ud2b8 \uac15\ub3c4<\/li>\n<\/ol>\n<p>\uc2e4\uc81c\ub85c \uc870\uc778\ud2b8 \uc124\uacc4\uc790\ub294 ASME PCC-1\uc744 \ub530\ub985\ub2c8\ub2e4. <em>\uc555\ub825 \uacbd\uacc4 \ubcfc\ud2b8 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8 \uc870\ub9bd \uc9c0\uce68<\/em>, \uc870\ub9bd \uc911 \ubaa9\ud45c \ubcfc\ud2b8 \uc751\ub825 \uc218\uc900\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 ASME B16.5 Class 150\u20131500 \ud50c\ub79c\uc9c0\uc758 \uacbd\uc6b0 B7 \uc778\uc7a5 \uac15\ub3c4\uac00 \ucda9\ubd84\ud569\ub2c8\ub2e4. Class 2500 \ubc0f \ud2b9\uc218 \ud569\uae08 \ud50c\ub79c\uc9c0\uc758 \uacbd\uc6b0 \uacc4\uc0b0\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624 \u2014 B7\uc774 '\ud45c\uc900' \ub4f1\uae09\uc774\ub77c\uace0 \ud574\uc11c \ubaa8\ub4e0 \uc2dc\ub098\ub9ac\uc624\ub97c \ud3ec\uad04\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n<hr \/>\n<h2>ASTM A193 vs. ASME SA193: \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>\uc774 \uc9c8\ubb38\uc740 \uc870\ub2ec \ubc0f \uac80\uc0ac\uc5d0\uc11c \ub04a\uc784\uc5c6\uc774 \uc81c\uae30\ub429\ub2c8\ub2e4. \uac04\ub2e8\ud55c \ub300\ub2f5\uc740: <strong>SA193\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c ASME \ubcf4\uc77c\ub7ec \ubc0f \uc555\ub825 \uc6a9\uae30 \ucf54\ub4dc(BPVC)\uc5d0 \ucc44\ud0dd\ub41c A193\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<p>ASTM International\uc740 A193 \uaddc\uaca9\uc744 \uc791\uc131\ud558\uace0 \uc790\uccb4 \uc218\uc815 \uc8fc\uae30\uc5d0 \ub530\ub77c \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c ASME\ub294 A193 \ub0b4\uc6a9\uc744 BPVC\uc758 \uc139\uc158 II\uc5d0 SA-193\uc73c\ub85c \ucc44\ud0dd\ud558\uba70, \ub54c\ub54c\ub85c \ucd94\uac00 \uc694\uad6c \uc0ac\ud56d\uc774\ub098 \uc8fc\uc11d\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uae30\ubcf8 \ud654\ud559 \uc131\ubd84, \uc5f4\ucc98\ub9ac \ubc0f \uae30\uacc4\uc801 \uc131\uc9c8 \uc694\uad6c \uc0ac\ud56d\uc740 \ub3d9\uc77c\ud569\ub2c8\ub2e4 \u2014 \ucc28\uc774\uc810\uc740 \uadf8\ub4e4\uc774 \uc6b4\uc601\ud558\ub294 \ucf54\ub4dc \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ucf54\ub4dc \ucc44\ud0dd \ubc0f \ubc95\uc801 \uc694\uad6c \uc0ac\ud56d<\/h3>\n<p>\uc555\ub825 \uc6a9\uae30 \ub610\ub294 \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc774 ASME \ucf54\ub4dc(ASME \uc139\uc158 VIII, B31.3 \ub4f1)\uc5d0 \uc2a4\ud0ec\ud504\uac00 \ucc0d\ud788\uba74 \uc870\ub2ec \ubb38\uc11c\uc5d0\uc11c <strong>\ub294<\/strong> SA-193\uc744 \uba85\uc2dc\ud574\uc57c \ud558\uba70, A193\uc740 \uba85\uc2dc\ud558\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4. ASME \uc2a4\ud0ec\ud504\uac00 \ucc0d\ud78c \uc6a9\uae30\uc5d0 A193 \ub9c8\ud06c\uac00 \uc788\ub294 \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uae30\uc220\uc801\uc73c\ub85c \ube44\uc900\uc218\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \uc7ac\ub8cc\uac00 \ub3d9\uc77c\ud558\ub354\ub77c\ub3c4 \ucf54\ub4dc \uc2a4\ud0ec\ud504\ub294 ASME \uaddc\uaca9\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \ucc38\uc870\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub9ce\uc740 \uc81c\ucca0\uc18c\uac00 \uc790\uc7ac\ub97c \uc774\uc911 \uc778\uc99d\ud569\ub2c8\ub2e4: CMTR\uc5d0\ub294 A193 \ubc0f SA-193 \uc900\uc218 \ubaa8\ub450\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\ub294 \ud5c8\uc6a9\ub429\ub2c8\ub2e4 \u2014 \uc774\uc911 \uc778\uc99d\ub41c \uc790\uc7ac\ub294 ASTM \ubc0f ASME \uc870\ub2ec \uc694\uad6c \uc0ac\ud56d\uc744 \ubaa8\ub450 \ucda9\uc871\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc5d0 \ub530\ub77c <a href=\"https:\/\/www.tech-threads.com\/fasteners\/asme-fasteners\/sa193-sa194\/\" target=\"_blank\" rel=\"noopener\">ASME \ud328\uc2a4\ub108 \uaddc\uaca9\uc5d0 \ub300\ud55c \uae30\uc220 \uc9c0\uce68<\/a>, SA-193\/B7 \uc2a4\ud130\ub4dc\ub294 ASME \uc555\ub825 \uc6a9\uae30 \uac74\uc124\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc9c0\uc815\ub41c \uc774\uc911 \uc778\uc99d \ud328\uc2a4\ub108 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n<h3>A193\ubcf4\ub2e4 SA193\uc744 \uc9c0\uc815\ud574\uc57c \ud560 \ub54c<\/h3>\n<ul>\n<li><strong>\ubaa8\ub4e0 ASME \ucf54\ub4dc \uc6a9\uae30 \ub610\ub294 \ubc30\uad00 \uc2dc\uc2a4\ud15c:<\/strong> SA-193(\ub610\ub294 \uc774\uc911 \uc778\uc99d A193\/SA-193)\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\ube44\ucf54\ub4dc \uae30\uacc4 \uc7a5\ube44, \uad6c\uc870\uc801 \uc751\uc6a9:<\/strong> A193\ub9cc\uc73c\ub85c\ub3c4 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ube44\ubbf8\uad6d \uc2dc\uc7a5\uc73c\ub85c\uc758 \uc218\ucd9c \ud504\ub85c\uc81d\ud2b8:<\/strong> \ud604\uc9c0 \ucf54\ub4dc \uc694\uad6c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624; \uc77c\ubd80 \uad00\ud560\uad8c\uc5d0\uc11c\ub294 ASTM \uc9c0\uc815\uc744 \uc694\uad6c\ud558\uace0, \ub2e4\ub978 \uad00\ud560\uad8c\uc5d0\uc11c\ub294 ASME\ub97c \uc218\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ubcfc\ud2b8 \ud5e4\ub4dc\uc758 \ub9c8\ud06c\ub294 \uc81c3\uc790 \uac80\uc0ac\ub97c \uc704\ud574 \uc911\uc694\ud569\ub2c8\ub2e4. ASME \uc2a4\ud0ec\ud504\uac00 \ucc0d\ud78c \uc555\ub825 \uc6a9\uae30\ub97c \uac80\uc0ac\ud558\ub294 \uac80\uc0ac\uad00\uc740 CMTR\uc5d0\uc11c SA-193\uc744 \ucc3e\uace0, \uae30\uc220\uc801\uc73c\ub85c \ub3d9\uc77c\ud558\ub354\ub77c\ub3c4 A193\ub9cc \ub9c8\ud06c\ub41c \uc7ac\ub8cc\ub97c \uac70\ubd80\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>ASTM A193\uacfc ASTM A194 \ub108\ud2b8\uc758 \uc870\ud569<\/h2>\n<p><strong>ASTM A193<\/strong> \ubcfc\ud2b8\uc640 \uc2a4\ud130\ub4dc\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. <strong>ASTM A194<\/strong> \uc77c\uce58\ud558\ub294 \ub108\ud2b8\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc798\ubabb\ub41c \ub108\ud2b8 \ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \ubcfc\ud2b8 \ud50c\ub79c\uc9c0 \uc870\ub9bd\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc774\uace0 \ub17c\uc758\ub418\uc9c0 \uc54a\ub294 \uc2e4\ud328 \ubaa8\ub4dc \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n<p>\ud45c\uc900 \uc870\ud569 \uaddc\uce59:<\/p>\n<table>\n<thead>\n<tr>\n<th>A193 \ubcfc\ud2b8 \ub4f1\uae09<\/th>\n<th>\uad8c\uc7a5 A194 \ub108\ud2b8 \ub4f1\uae09<\/th>\n<th>\ube44\uace0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B7<\/td>\n<td>2H (\ud5e4\ube44 \ud5e5\uc2a4)<\/td>\n<td>\uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5 \uc870\ud569<\/td>\n<\/tr>\n<tr>\n<td>B7M<\/td>\n<td>2HM<\/td>\n<td>\uc0b0\uc131 \uc11c\ube44\uc2a4 \uc900\uc218\ub97c \uc704\ud574 M \ub4f1\uae09\uacfc \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>B16<\/td>\n<td>4 \ub610\ub294 7M<\/td>\n<td>\uace0\uc628 \ud06c\ub9ac\ud504 \uc800\ud56d\uc744 \uc704\ud55c \ub192\uc740 \ub108\ud2b8 \uacbd\ub3c4<\/td>\n<\/tr>\n<tr>\n<td>B8 Cl.1<\/td>\n<td>8<\/td>\n<td>\uac19\uc740 304 SS \uacc4\uc5f4<\/td>\n<\/tr>\n<tr>\n<td>B8 Cl.2<\/td>\n<td>8<\/td>\n<td>\uac19\uc740 304 SS \uacc4\uc5f4<\/td>\n<\/tr>\n<tr>\n<td>B8M Cl.1<\/td>\n<td>8M<\/td>\n<td>\uc804\uccb4 \ubd80\uc2dd \uc800\ud56d \uc5f0\uc18d\uc131\uc744 \uc704\ud55c 316 SS \ub108\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>B8M Cl.2<\/td>\n<td>8M<\/td>\n<td>316 SS \ub108\ud2b8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud575\uc2ec \uaddc\uce59: <strong>A193 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ubcfc\ud2b8\uc5d0 \ud0c4\uc18c\uac15 \ub108\ud2b8\ub97c \uc808\ub300 \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/strong> \uac08\ubc14\ub2c9 \ucee4\ud50c\uc740 \ub108\ud2b8-\uc2a4\ud130\ub4dc \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \ubd80\uc2dd\uc744 \uac00\uc18d\ud654\ud558\uba70, \uace0\uc628\uc5d0\uc11c\uc758 \uc11c\ub85c \ub2e4\ub978 \uc5f4 \ud33d\ucc3d\ub960\uc740 \ub108\ud2b8\uac00 \uc608\uce21\ud560 \uc218 \uc5c6\uc774 \uace0\ucc29\ub418\uac70\ub098 \ub290\uc2a8\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub108\ud2b8\uc758 \ud074\ub798\uc2a4 \ub4f1\uae09 \ud63c\ud569\ub3c4 \ud53c\ud558\uc2ed\uc2dc\uc624: \ud074\ub798\uc2a4 1 (\uc6a9\uc561 \uc5b4\ub2d0\ub9c1) A194 8 \ub4f1\uae09 \ub108\ud2b8\ub294 \ub108\ud2b8\uac00 \ub354 \ubd80\ub4dc\ub7fd\ub2e4\uba74 \ud074\ub798\uc2a4 2 (\ubcc0\ud615 \uacbd\ud654) A193 B8 \uc2a4\ud130\ub4dc\uc5d0 \ub300\ud574 \uac08\ub77c\uc9c8 \uac83\uc785\ub2c8\ub2e4. \uc870\ub9bd \uc911 \uac08\ub77c\uc9d0\uc740 \uc601\uad6c\uc801\uc774\uba70 \u2014 \ub098\uc0ac \uacb0\ud569\uc744 \ud30c\uad34\ud558\uace0 \uace0\ucc29\ub41c \ub108\ud2b8\ub97c \uc81c\uac70\ud558\uae30 \uc704\ud574 \ud1b1\uc73c\ub85c \uc798\ub77c\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>As <a href=\"https:\/\/www.portlandbolt.com\/technical\/specifications\/astm-a193\/\" target=\"_blank\" rel=\"noopener\">\ud3ec\ud2c0\ub79c\ub4dc \ubcfc\ud2b8\uc758 \uae30\uc220 \uc0ac\uc591 \ub9ac\uc18c\uc2a4<\/a> \uc8fc\ubb38\ud558\uae30 \uc804\uc5d0 \ub108\ud2b8-\ubcfc\ud2b8 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc774\uba70, \ud2b9\ud788 \ubd84\ud574\uac00 \uc5b4\ub835\uac70\ub098 \ubd88\uac00\ub2a5\ud55c \ub300\uad6c\uacbd \uace0\uc555 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub354\uc6b1 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc2dc\ud5d8, \ud45c\uae30 \ubc0f \uac80\uc0ac \uc694\uad6c \uc0ac\ud56d<\/h2>\n<p><strong>ASTM A193<\/strong> \uc7ac\ub8cc \ud654\ud559\uc5d0\uc11c \uadf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc0ac\uc591\uc740 \ubaa8\ub4e0 \uc900\uc218 \ucd9c\ud558\ubb3c\uc5d0 \ub098\ud0c0\ub098\uc57c \ud558\ub294 \ud2b9\uc815 \uc2dc\ud5d8, \ucd94\uc801 \uac00\ub2a5\uc131 \ubc0f \ubb3c\ub9ac\uc801 \ud45c\uae30 \uc694\uad6c \uc0ac\ud56d\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc5f4\ucc98\ub9ac \uc694\uad6c \uc0ac\ud56d<\/h3>\n<p>\uac01 \ub4f1\uae09\uc740 \uc815\ud655\ud55c \uc5f4\ucc98\ub9ac \ubc94\uc704\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>B7:<\/strong> \ucd5c\uc18c 1650\u00b0F\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ud55c \ud6c4, \uae30\ub984 \ub610\ub294 \ud3f4\ub9ac\uba38\ub85c \uae09\ub0c9; \ucd5c\uc18c 1100\u00b0F\uc5d0\uc11c \ud15c\ud37c\ub9c1. \ucd5c\uc18c \ud15c\ud37c \uc628\ub3c4\ub294 \uc911\uc694\ud569\ub2c8\ub2e4 \u2014 \ub0ae\uc740 \ud15c\ud37c\ub9c1\uc740 \ub354 \ub192\uc740 \uacbd\ub3c4\ub97c \uc0dd\uc131\ud558\uc9c0\ub9cc \ub354 \ub192\uc740 \ucde8\uc131 \ubc0f \uc218\uc18c \uc751\ub825 \uade0\uc5f4\uc5d0 \ub300\ud55c \ucde8\uc57d\uc131\ub3c4 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>B7M:<\/strong> B7\uc640 \ub3d9\uc77c\ud55c \uae30\ubcf8 \ucc98\ub9ac\uc9c0\ub9cc, \ucd5c\uc885 \uacbd\ub3c4\ub97c 22 HRC \ucd5c\ub300\uce58\ub85c \uc904\uc774\uae30 \uc704\ud574 \ud15c\ud37c \uc628\ub3c4\ub97c \uc0c1\ud5a5 \uc870\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>B16:<\/strong> 1700\u20131750\u00b0F\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654, \uae30\ub984\uc73c\ub85c \uae09\ub0c9, \ucd5c\uc18c 1150\u00b0F\uc5d0\uc11c \ud15c\ud37c\ub9c1.<\/li>\n<li><strong>B8\/B8M \ud074\ub798\uc2a4 1:<\/strong> 1900\u00b0F \ucd5c\uc18c\uc5d0\uc11c \ud0c4\ud654\ubb3c \uc6a9\uc561 \ucc98\ub9ac(\uc5b4\ub2d0\ub9c1), \ubb3c\ub85c \uae09\ub0c9. \uc774\ud6c4 \ub0c9\uac04 \uac00\uacf5 \uc5c6\uc74c.<\/li>\n<\/ul>\n<p>\ucd5c\uc18c \ud15c\ud37c \uc628\ub3c4\ub97c \ucda9\uc871\ud558\uc9c0 \ubabb\ud558\ub294 \uac83\uc740 \ube44\uc900\uc218 \uc7ac\ub8cc\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. <strong>ASTM A193<\/strong> CMTR\uc5d0 \uc0ac\uc591 \ucd5c\uc18c\uac12 \uc774\ud558\uc758 \ud15c\ud37c \uc628\ub3c4\uac00 \ud45c\uc2dc\ub418\uba74 \ud574\ub2f9 \ub85c\ud2b8\ub97c \uac70\ubd80\ud558\uc2ed\uc2dc\uc624 \u2014 \uadf8 CMTR\uc758 \uae30\uacc4\uc801 \uc131\uc9c8 \uc2dc\ud5d8 \uacb0\uacfc\ub294 \uc11c\ube44\uc2a4 \uc911 \ud589\ub3d9\uc758 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc608\uce21\uc790\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<h3>\uacbd\ub3c4 \ubc0f \uc778\uc7a5 \uc2dc\ud5d8<\/h3>\n<p><strong>ASTM A193<\/strong> \uc694\uad6c \uc0ac\ud56d:<br \/>\n&#8211; <strong>\uc778\uc7a5 \uc2dc\ud5d8:<\/strong> \uac01 \uc5f4\ub9c8\ub2e4 \ud06c\uae30\ubcc4\ub85c \uc5f4\ucc98\ub9ac \ub85c\ud2b8\ub2f9 \ud55c \ubc88\uc758 \uc2dc\ud5d8. \uc2dc\ud5d8\uc740 \uc0dd\uc0b0 \ubcfc\ud2b8\uc640 \ub3d9\uc77c\ud55c \uc5f4 \ubc0f \uc5f4\ucc98\ub9ac\uc5d0\uc11c \ub098\uc628 \uc7ac\ub8cc\ub85c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<br \/>\n&#8211; <strong>\uacbd\ub3c4 \uc2dc\ud5d8:<\/strong> \ubcfc\ud2b8\uc758 \uac01 \ub85c\ud2b8. B7\uc758 \uacbd\uc6b0, \ucd5c\ub300 35 HRC\ub294 \uc808\ub300\uc801\uc778 \ud55c\uacc4\uc785\ub2c8\ub2e4 \u2014 \ub85c\ud2b8 \ub0b4 \uac1c\ubcc4 \ubcfc\ud2b8\uac00 35 HRC\ub97c \ucd08\uacfc\ud558\uc5ec \uc2dc\ud5d8\ub420 \uacbd\uc6b0 \ub300\ubd80\ubd84\uc758 \ud574\uc11d\uc5d0\uc11c\ub294 \uc804\uccb4 \ub85c\ud2b8\uc758 \ubd88\ud569\uaca9 \ucc98\ub9ac\uac00 \ub429\ub2c8\ub2e4.<br \/>\n&#8211; <strong>\ubcf4\uc870 \uc2dc\ud5d8 (S-\uc2dc\ub9ac\uc988):<\/strong> \uc0ac\uc591\uc740 \uacbd\ub7c9 \ucda9\uaca9 \uc2dc\ud5d8, \uace0\uc628 \uc778\uc7a5 \uc2dc\ud5d8, \uc790\uae30 \uc785\uc790 \uac80\uc0ac\ub97c \uc704\ud55c \uc120\ud0dd\uc801 \ubcf4\uc870 \uc694\uad6c \uc0ac\ud56d (S1\ubd80\ud130 S5+\uae4c\uc9c0)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud544\uc694 \uc2dc \uc774\ub97c \uba85\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2dd\ubcc4 \ud45c\uc2dc<\/h3>\n<p>\ubaa8\ub4e0 <strong>ASTM A193<\/strong> \ubcfc\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\uc2dc\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<br \/>\n\u2013 \ub4f1\uae09 \uae30\ud638 (\uc608: \u201cB7\u201d)<br \/>\n\u2013 \uc81c\uc870\uc0ac\uc758 \uc2dd\ubcc4 \uae30\ud638<br \/>\n\u2013 \uc5f4 \ubc88\ud638 \ub610\ub294 \ub85c\ud2b8 \ubc88\ud638<\/p>\n<p>\ud45c\uc2dc\ub418\uc9c0 \uc54a\uac70\ub098 \uc77d\uae30 \uc5b4\ub824\uc6b4 \ud45c\uc2dc\uac00 \uc788\ub294 \ubcfc\ud2b8\ub294 \uc5b4\ub5a4 CMTR\uc774 \uc81c\uc2dc\ub418\ub354\ub77c\ub3c4 \ubd80\uc801\ud569\ud569\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \ud45c\uc2dc\ub9cc\uc774 \uaddc\uaca9 \uc900\uc218\uc758 \ud604\uc7a5 \uac80\uc99d \uc99d\uac70\uc785\ub2c8\ub2e4. \ub300\ud615 \uc2a4\ud130\ub4dc \ubcfc\ud2b8\uc758 \uacbd\uc6b0, \ud45c\uc2dc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub05d\uba74\uc5d0 \ub098\ud0c0\ub098\uba70; \uc721\uac01 \ubcfc\ud2b8\uc758 \uacbd\uc6b0, \ud5e4\ub4dc\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc77c\ubc18 \uc870\ub2ec \uc2e4\uc218 \ubc0f \uc704\ud5d8 \uc2e0\ud638<\/h2>\n<h3>\uc704\uc870 \ubc0f \ube44\uaddc\uaca9 \ubd80\ud488<\/h3>\n<p>\uc0b0\uc5c5\uc6a9 \ud328\uc2a4\ub108 \uc2dc\uc7a5\uc5d0\ub294 \uc704\uc870 \ubb38\uc81c\uac00 \ubb38\uc11c\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.kglilly.com\/blog\/guide-to-astm-a193-grade-b7-threaded-studs-and-rods\" target=\"_blank\" rel=\"noopener\">ASME \ub610\ub294 \ub3d9\ub4f1\ud55c \ud45c\uc900 \uae30\uad00\uc740 \uc624\ub7ab\ub3d9\uc548<\/a> \ub4f1\uae09 B7 \u2014 \uac00\uc7a5 \ub9ce\uc774 \uc9c0\uc815\ub418\uace0 \uac00\uc7a5 \ub192\uc740 \ubcfc\ub968\uc758 ASTM A193 \ub4f1\uae09 \u2014 \uc774 \uac00\uc7a5 \uc790\uc8fc \uc704\uc870\ub41c\ub2e4\uace0 \uc9c0\uc801\ud574 \uc654\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc0ac\uae30 \ud328\ud134\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud569\uae08 \ud568\uc720 \uc5c6\uc774 \u201cB7\u201d\uc774\ub77c\uace0 \uc0c8\uae34 \ud0c4\uc18c\uac15 \ubcfc\ud2b8<\/li>\n<li>\uc5f4\ucc98\ub9ac\ub418\uc9c0 \uc54a\uc740 B7 \ubcfc\ud2b8 (\ud45c\uba74 \uacbd\ub3c4\ub294 \ud45c\uba74 \uac80\uc0ac\ub85c \ud1b5\uacfc\ud558\ub098; \ub0b4\ubd80 \ud2b9\uc131\uc740 \uc2e4\ud328)<\/li>\n<li>\ub2e4\ub978 \uc5f4\uc5d0\uc11c \uc81c\uc791\ub418\uac70\ub098 \ubcf5\uc0ac\ub41c CMTR\uc774 \uc788\ub294 \uc7ac\ub8cc<\/li>\n<\/ul>\n<p>\uc644\ud654\ucc45: \uc694\uad6c\ud558\uc2ed\uc2dc\uc624 <strong>\uc81c3\uc790 \uac80\uc0ac<\/strong> \uc218\uc785 \ubb3c\ub7c9\uc5d0 \ub300\ud574 \ud734\ub300\uc6a9 \ub85d\uc6f0 \uacbd\ub3c4 \uc2dc\ud5d8(\ud604\uc7a5 \ud14c\uc2a4\ud2b8 \uac00\ub2a5)\uc744 \uc9c0\uc815\ud558\uace0, CMTR \uc5f4 \ubc88\ud638\ub97c \ubcfc\ud2b8\uc758 \ubb3c\ub9ac\uc801 \ub9c8\ud0b9\uacfc \uad50\ucc28 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. \uc5b4\ub5a4 \ubd88\uc77c\uce58\ub3c4 \uac70\ubd80 \ud2b8\ub9ac\uac70\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ub4f1\uae09 \ub300\uccb4 \uc704\ud5d8<\/h3>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\ud1a0 \ubc0f \uc11c\uba74 \uace0\uac1d \uc2b9\uc778\uc774 \uc5c6\ub294 \ub2e4\uc74c \ub300\uccb4\ub97c \uc808\ub300 \uc218\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624:<\/p>\n<ul>\n<li><strong>B7 \ub300\uc2e0 B7M<\/strong> \uc0b0\uc131 \uc11c\ube44\uc2a4\uc5d0\uc11c \u2192 \ud669\ud654\ubb3c \uc751\ub825 \uade0\uc5f4 \uc704\ud5d8<\/li>\n<li><strong>B8 \ud074\ub798\uc2a4 1 \ub300\uc2e0 B8 \ud074\ub798\uc2a4 2<\/strong> \uac15\ub3c4\uac00 \ud074\ub798\uc2a4 2\uc5d0 \ub9de\uac8c \uc124\uacc4\ub41c \uacbd\uc6b0 \u2192 \uc870\uc778\ud2b8 \uacfc\ubd80\ud558<\/li>\n<li><strong>B16 \ub300\uc2e0 B7<\/strong> \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c \u2192 \ub3c8 \ub0ad\ube44\uc9c0\ub9cc \uae30\uc220\uc801\uc73c\ub85c \uc548\uc804; \uadf8\ub7ec\ub098 \ub108\ud2b8 \ub4f1\uae09\uc774 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc5b4\ub5a4 A193 \ub4f1\uae09 \ub300\uc2e0 \ud0c4\uc18c\uac15<\/strong> \u2192 \uce58\uba85\uc801\uc73c\ub85c \uc124\uacc4 \ubd80\uc871; \uc989\uc2dc \uac70\ubd80\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<p>\uc0ac\uc591\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2b9\uc778 \uc5c6\uc774 \ub4f1\uae09 \ub300\uccb4\ub97c \ud5c8\uc6a9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubb38\uc11c \uc5c6\uc774 \ub300\uccb4\ub97c \uc81c\uc548\ud558\ub294 \uacf5\uae09\uc790\ub294 \uc804\uccb4 \uc8fc\ubb38\uc5d0 \ub300\ud55c \uac10\uc0ac \ud2b8\ub9ac\uac70\ub97c \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\ubbf8\ub798 \ub3d9\ud5a5 \ubc0f \uc5c5\ub370\uc774\ud2b8 (2026+)<\/h2>\n<h3>ASTM \uac1c\uc815 \uc8fc\uae30<\/h3>\n<p><strong>ASTM A193<\/strong> \uc57d 2-3\ub144\ub9c8\ub2e4 \uac80\ud1a0 \ubc0f \uc218\uc815\ub429\ub2c8\ub2e4. \uac00\uc7a5 \ucd5c\uadfc\uc758 \uc8fc\uc694 \uc5c5\ub370\uc774\ud2b8 \uc8fc\uae30(2023-2026)\ub294 \uc5f4\ucc98\ub9ac \ubb38\uc11c \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc81c\ud558\uace0 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub4f1\uae09\uc5d0 \ub300\ud55c \ud074\ub798\uc2a4 1\uacfc \ud074\ub798\uc2a4 2 \ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d\uc744 \uba85\ud655\ud788 \ud588\uc2b5\ub2c8\ub2e4. \ud2b9\uc218 \ud328\uc2a4\ub108 \uc0dd\uc0b0\uc5d0 \uc801\uce35 \uc81c\uc870(AM)\uac00 \ub4f1\uc7a5\ud558\uae30 \uc2dc\uc791\ud568\uc5d0 \ub530\ub77c, \ud5a5\ud6c4 \uac1c\uc815\uc740 AM \uc0dd\uc0b0 \uc2a4\ud130\ub4dc\uc5d0 \ub300\ud574 \ub2e4\ub8f0 \uc218 \uc788\uc2b5\ub2c8\ub2e4 \u2014 \uadf8\ub7ec\ub098 \uc804\ud1b5\uc801\uc778 \ub2e8\uc870 \ubc0f \uae30\uacc4 \uac00\uacf5 \uc0dd\uc0b0\uc740 \ucf54\ub4dc \uc911\uc694 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc5ec\uc804\ud788 \uc9c0\ubc30\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc9c0\uc18d \uac00\ub2a5\uc131 \ubc0f \uc18c\uc7ac \ud601\uc2e0<\/h3>\n<p>\uc0b0\uc5c5\uc6a9 \ud328\uc2a4\ub108 \uc81c\uc870\ub294 \uc9c0\uc18d \uac00\ub2a5\uc131 \uc555\ub825\uc5d0\uc11c \uba74\uc5ed\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \ud2b8\ub80c\ub4dc\uac00 \ub098\ud0c0\ub098\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\n<p><strong>\uc804\uae30 \uc544\ud06c \uc6a9\uad11\ub85c(EAF) \uac15\ucca0:<\/strong> \ub354\ubcf4\uae30 <strong>ASTM A193<\/strong> B7 \uc7ac\ub8cc\ub294 \uae30\ubcf8 \uc0b0\uc18c \uc6a9\uad11\ub85c(BOF) 1\ucc28 \uac15\ucca0 \ub300\uc2e0 EAF \uc6a9\uc735 \uc2a4\ud06c\ub7a9\uc5d0\uc11c \uc0dd\uc0b0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. CMTR \ucd94\uc801\uc131 \uc694\uad6c \uc0ac\ud56d\uc740 \uc774\ubbf8 \uc774\ub97c \uc218\uc6a9\ud558\uace0 \uc788\uc73c\uba70, \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \ub3d9\ub4f1\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ucca0\uac15 \uc0dd\uc0b0\uc5c5\uccb4\uc758 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74, EAF\ub85c \uc0dd\uc0b0\ub41c \ud569\uae08\uac15\uc740 1\ucc28 BOF \uacbd\ub85c\uc5d0 \ube44\ud574 CO\u2082 \uac15\ub3c4\ub97c 40\u201370% \uc904\uc77c \uc218 \uc788\uc73c\uba70, \uc774\ub294 Scope 3 \ubc30\ucd9c \ubaa9\ud45c\uac00 \uc788\ub294 \ub300\uaddc\ubaa8 \uc778\ud504\ub77c \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub4f1\uae09:<\/strong> 2205 \ub4c0\ud50c\ub809\uc2a4\uc640 \uac19\uc740 \ub4f1\uae09\uc740 \ud45c\uc900 B8M\ubcf4\ub2e4 \ub354 \ub192\uc740 \uac15\ub3c4\ub97c \uc81c\uacf5\ud558\uba70, \ube44\uad50 \uac00\ub2a5\ud55c \ub610\ub294 \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. ASTM\uc740 \ub4c0\ud50c\ub809\uc2a4 \ub4f1\uae09\uc5d0 \ub300\ud55c A193 \uc801\uc6a9 \ubc94\uc704\ub97c \ud655\uc7a5\ud560\uc9c0 \uc5ec\ubd80\ub97c \ud3c9\uac00\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \uc774\ubbf8 \ud574\uc591 \ubc0f \ud574\uc800 \ubcfc\ud2b8\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc7ac\ub8cc\uc5d0 \ub300\ud55c \uc0ac\uc591 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc81c\uacf5\ud560 \uac83\uc785\ub2c8\ub2e4. <a href=\"https:\/\/lightningboltandsupply.com\/reference.html\" target=\"_blank\" rel=\"noopener\">Lightning Bolt &amp; Supply\uc758 \ud328\uc2a4\ub108 \ucc38\uc870 \uac00\uc774\ub4dc<\/a> \uc5d0 \ub530\ub974\uba74, \ub4c0\ud50c\ub809\uc2a4 \ud328\uc2a4\ub108\ub294 \ud604\uc7ac \ud45c\uc900 \ub4f1\uae09 \uc9c0\uc815\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uc885\uc885 \uac1c\ubcc4 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\ud1a0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<hr \/>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<p><strong>Q: ASTM A193 Grade B7\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778\uac00\uc694?<\/strong><br \/>\n\uc544\ub2c8\uc694. Grade B7\uc740 \ud569\uae08\uac15\uc73c\ub85c, \uad6c\uccb4\uc801\uc73c\ub85c \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \uac15(AISI 4140 \ub610\ub294 4142)\uc785\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uc544\ub2c8\uba70, \uc2b5\uae30\ub098 \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \ud45c\uba74 \ubcf4\ud638 \uc5c6\uc774 \ubd80\uc2dd\ub429\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ubcfc\ud2b8\ub97c \uc704\ud574\uc11c\ub294 ASTM A193 Grade B8(304 SS) \ub610\ub294 Grade B8M(316 SS)\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: ASTM A193\uacfc ASME SA193\uc758 \ucc28\uc774\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br \/>\nSA-193\uc740 ASTM A193\uc758 ASME \ubcf4\uc77c\ub7ec \ubc0f \uc555\ub825 \uc6a9\uae30 \ucf54\ub4dc \ucc44\ud0dd\uc785\ub2c8\ub2e4. \uc7ac\ub8cc \uc694\uad6c \uc0ac\ud56d\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub3d9\uc77c\ud558\uba70, \ucc28\uc774\ub294 \ucf54\ub4dc \ub9e5\ub77d\uc785\ub2c8\ub2e4. ASME \uc2a4\ud0ec\ud504\uac00 \uc788\ub294 \uc6a9\uae30\ub098 \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0, \uc870\ub2ec \ubb38\uc11c\ub294 SA-193(\ub610\ub294 \uc774\uc911 \uc778\uc99d\ub41c A193\/SA-193)\ub97c \ucc38\uc870\ud574\uc57c \ud569\ub2c8\ub2e4. \ube44\ucf54\ub4dc \uae30\uacc4\uc801 \uc751\uc6a9\uc758 \uacbd\uc6b0, A193\ub9cc\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>Q: ASTM A193 Grade B8\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778\uac00\uc694?<\/strong><br \/>\n\ub124. Grade B8\uc740 AISI 304 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc785\ub2c8\ub2e4. Grade B8M\uc740 AISI 316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc785\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \ubaa8\ub450 Class 1(\uc6a9\ud574 \uc5b4\ub2d0\ub9c1, \ub0ae\uc740 \uac15\ub3c4) \ubc0f Class 2(\ubcc0\ud615 \uacbd\ud654, \ub192\uc740 \uac15\ub3c4) \ubcc0\ud615\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \uc8fc\ubb38 \uc2dc \ud56d\uc0c1 \ud074\ub798\uc2a4\ub97c \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: ASTM A193 B7 \uc2a4\ud130\ub4dc\uc640 \uc9dd\uc744 \uc774\ub8e8\ub294 \ub108\ud2b8\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br \/>\n\ud45c\uc900 \uc870\ud569\uc740 ASTM A194 Grade 2H \uc911\ub7c9 \uc721\uac01 \ub108\ud2b8\uc785\ub2c8\ub2e4. \uc0b0\uc131 \uc11c\ube44\uc2a4 B7M \uc2a4\ud130\ub4dc\uc758 \uacbd\uc6b0 ASTM A194 Grade 2HM \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ub108\ud2b8\uc640 \ubcfc\ud2b8 \ub4f1\uae09\uc774 \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74 \u2014 \uc608\ub97c \ub4e4\uc5b4, \uc2a4\ud14c\uc778\ub9ac\uc2a4 B8 \uc2a4\ud130\ub4dc\uc5d0 \ud0c4\uc18c\uac15 \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \u2014 \uac08\ubc14\ub2c9 \ubd80\uc2dd\uc744 \uc720\ubc1c\ud558\uba70 \uc808\ub300 \ud5c8\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q: ASTM A193 Grade B7\uc758 \ucd5c\ub300 \uc628\ub3c4\ub294 \uc5bc\ub9c8\uc778\uac00\uc694?<\/strong><br \/>\nGrade B7\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\uc18d \uc11c\ube44\uc2a4\uc5d0\uc11c \uc57d 450\u00b0F(232\u00b0C)\ub85c \ud3c9\uac00\ub429\ub2c8\ub2e4. \uc774 \uc628\ub3c4\ub97c \ucd08\uacfc\ud558\uba74 \ud06c\ub9ac\ud504\uac00 \uc870\uc778\ud2b8 \uc124\uacc4\uc5d0\uc11c \ud3c9\uac00\ud574\uc57c \ud560 \uc694\uc18c\uac00 \ub429\ub2c8\ub2e4. 1000\u00b0F(538\u00b0C)\uae4c\uc9c0\uc758 \uc751\uc6a9\uc744 \uc704\ud574\uc11c\ub294 ASTM A193 \uc0ac\uc591 \ub0b4\uc5d0\uc11c Grade B16\uc774 \uc120\ud638\ub418\ub294 \ud569\uae08\uac15 \uc635\uc158\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \ud604\uc7a5\uc5d0\uc11c ASTM A193 \uc900\uc218\ub97c \uc5b4\ub5bb\uac8c \ud655\uc778\ud558\ub098\uc694?<\/strong><br \/>\n\uc138 \uac00\uc9c0 \ud655\uc778 \uc0ac\ud56d: (1) \ubb3c\ub9ac\uc801 \ud45c\uae30 \u2014 \uac01 \ubcfc\ud2b8\ub294 \ub4f1\uae09 \uae30\ud638(\uc608: \u201cB7\u201d)\uc640 \uc81c\uc870\uc5c5\uccb4 \uc2dd\ubcc4\uc790\ub97c \ud45c\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4. (2) \uc778\uc99d\ub41c \ubc00 \ud14c\uc2a4\ud2b8 \ubcf4\uace0\uc11c(CMTR) \u2014 CMTR\uc758 \uc5f4 \ubc88\ud638\ub294 \ubcfc\ud2b8\uc758 \ubb3c\ub9ac\uc801 \ud45c\uae30\uc640 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. (3) \uacbd\ub3c4 \ud14c\uc2a4\ud2b8 \u2014 \ud734\ub300\uc6a9 \ub85c\ud06c\uc6f0 \uacbd\ub3c4 \uce21\uc815\uae30\ub85c B7\uc758 \ucd5c\ub300 35 HRC\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc138 \uac00\uc9c0 \uc911 \ud558\ub098\ub77c\ub3c4 \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74 \uc804\uccb4 \uac80\uc0ac\ub97c \ub300\uae30\ud558\uba70 \ud574\ub2f9 \ubc30\uce58\ub97c \uac70\ubd80\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: H\u2082S \uc11c\ube44\uc2a4\uc5d0\uc11c ASTM A193 B7\uc744 B7M\uc73c\ub85c \ub300\uccb4\ud560 \uc218 \uc788\ub098\uc694?<\/strong><br \/>\n\uc544\ub2c8\uc694. \ud45c\uc900 B7\uc740 \uacbd\ub3c4\uac00 \uc77c\ubc18\uc801\uc73c\ub85c 22 HRC\ub97c \ucd08\uacfc\ud558\ubbc0\ub85c \uc0b0\uc131(H\u2082S \ud3ec\ud568) \uc11c\ube44\uc2a4\uc5d0 \ub300\ud574 \ud3c9\uac00\ub418\uc9c0 \uc54a\uc73c\uba70, \uc774\ub294 \ud669\ud654\ubb3c \uc751\ub825 \uade0\uc5f4\uc5d0 \ucde8\uc57d\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. NACE MR0175 \/ ISO 15156\uc740 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uc800\ud569\uae08\uac15 \ubcfc\ud2b8\uc5d0 \ub300\ud574 \ucd5c\ub300 22 HRC \uacbd\ub3c4\ub97c \uc694\uad6c\ud558\uba70, \uc774\ub294 B7M\uc774 \uc81c\uacf5\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \ub300\uccb4\ub294 \uc555\ub825\uc774\ub098 \uc628\ub3c4\uc640 \uad00\uacc4\uc5c6\uc774 \uc548\uc804\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q: ASTM A193M \uc9c0\uc815\uc740 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub098\uc694?<\/strong><br \/>\n\u201cM\u201d \uc811\ubbf8\uc0ac\ub294 \uaddc\uaca9\uc758 \ubbf8\ud130\ubc95 \ubc84\uc804(SI \ub2e8\uc704)\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc7ac\ub8cc \ud654\ud559, \uc5f4\ucc98\ub9ac \uc694\uad6c \uc0ac\ud56d \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \ube44-M \ubc84\uc804\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ucc28\uc774\uc810\uc740 \ub2e8\uc704 \ud45c\ud604(MPa \ub300\uc2e0 ksi, \u00b0C \ub300\uc2e0 \u00b0F)\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ud604\ub300 CMTR\uc5d0\ub294 \uc5b4\ub5a4 \uaddc\uaca9\uc774 \ud638\ucd9c\ub418\ub4e0 \uad00\uacc4\uc5c6\uc774 \ub450 \ub2e8\uc704 \uc2dc\uc2a4\ud15c\uc774 \ubaa8\ub450 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" alt=\"astm a193 \u2014 \uae68\ub057\ud55c \uc0b0\uc5c5 \uc791\uc5c5\ub300 \uc704\uc5d0 \ub4f1\uae09 \uc2a4\ud0ec\ud504\uc640 \uc81c\uc870\uc5c5\uccb4 \uc2dd\ubcc4\uc774 \uc788\ub294 \uc801\uc808\ud788 \ub9c8\ud0b9\ub41c astm a193 b7 \uc2a4\ud130\ub4dc \ubcfc\ud2b8\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ub9c8\uac10 \ube44\uc8fc\uc5bc\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-29.png\" \/><\/p>\n<hr \/>\n<h2>\uacb0\ub860<\/h2>\n<p><strong>ASTM A193<\/strong> \uace0\uc555 \ubc0f \uace0\uc628 \uc11c\ube44\uc2a4\uc6a9 \uc0b0\uc5c5 \ubcfc\ud305\uc758 \uc911\ucd94\uc785\ub2c8\ub2e4. \uc77c\ubc18 \ud569\uae08 \uc11c\ube44\uc2a4\uc6a9 B7, \uc0b0\uc131 \ud658\uacbd\uc6a9 B7M, \uadf9\ud55c \uc5f4\uc6a9 B16, \ubd80\uc2dd \uc800\ud56d\uc744 \uc704\ud55c B8\/B8M \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uacc4\uc5f4 \ub4f1 \ub4f1\uae09 \uc2dc\uc2a4\ud15c\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc7a5\uae30\uc801\uc778 \uc870\uc778\ud2b8\uc640 \uc720\uc9c0 \ubcf4\uc218 \ubb38\uc81c \ub610\ub294 \uc548\uc804 \uc0ac\uace0\uc758 \ucc28\uc774\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<p>\uc2e4\uc6a9\uc801\uc778 \uc694\uc810: \ud56d\uc0c1 A193 \ubcfc\ud2b8\ub97c \uc62c\ubc14\ub978 A194 \ub108\ud2b8 \ub4f1\uae09\uacfc \uc30d\uc73c\ub85c \uc0ac\uc6a9\ud558\uace0, \ubb3c\ub9ac\uc801 \ubcfc\ud2b8 \ub9c8\ud0b9\uacfc \uc77c\uce58\ud558\ub294 \uc5f4 \ubc88\ud638\uac00 \uc788\ub294 CMTR\uc744 \uc694\uad6c\ud558\uba70, \uc11c\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2b9\uc778\uc774 \uc5c6\ub294 \ub4f1\uae09 \ub300\uccb4\ub97c \uc808\ub300 \uc218\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. ASME \ucf54\ub4dc \uc791\uc5c5\uc758 \uacbd\uc6b0 SA-193 \ub610\ub294 \uc774\uc911 \uc778\uc99d\ub41c \uc7ac\ub8cc\ub97c \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \uc0b0\uc131 \uc11c\ube44\uc2a4\uc758 \uacbd\uc6b0 B7M\uc740 \ud611\uc0c1\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uace0\ud488\uc9c8 ASTM A193 \uc900\uc218 \ud328\uc2a4\ub108(B7 \uc2a4\ud130\ub4dc \ubcfc\ud2b8, \uc721\uac01 \ubcfc\ud2b8 \ub610\ub294 \ub098\uc0ac \ub9c9\ub300)\uac00 \ud544\uc694\ud558\ub2e4\uba74, \uc804\uccb4 CMTR \ubc0f \ub9c8\ud0b9 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucdb0 \uacf5\uae09\ub418\ub294 \uc81c\ud488\uc744 \ud0d0\uc0c9\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/productionscrews.com\/ko\/\" target=\"_blank\">productionscrews.com<\/a> \ud45c\uc900 \ubc0f \ub9de\ucda4 \uce58\uc218\uc5d0 \ub300\ud55c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacf5\uae09\uc744 \uc704\ud574.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM A193\uc740 \uace0\uc628 \ubc0f \uace0\uc555 \uc11c\ube44\uc2a4\uc6a9 \ud569\uae08\uac15 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubcfc\ud2b8\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uae30\uacc4\uc801 \ud2b9\uc131, \uc628\ub3c4 \ud55c\uacc4, \ub108\ud2b8 \uc870\ud569 \ubc0f \uc870\ub2ec \uc900\uc218\ub97c \ud3ec\ud568\ud558\uc5ec \ubaa8\ub4e0 \ub4f1\uae09 \u2014 B7, B7M, B16, B8, B8M \u2014 \uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4497,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-screws-flange-tutorial"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/4501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/comments?post=4501"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/4501\/revisions"}],"predecessor-version":[{"id":4502,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/4501\/revisions\/4502"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media\/4497"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media?parent=4501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/categories?post=4501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/tags?post=4501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}