{"id":3690,"date":"2026-05-09T08:52:31","date_gmt":"2026-05-09T08:52:31","guid":{"rendered":"https:\/\/productionscrews.com\/threaded-bar\/"},"modified":"2026-05-09T08:53:14","modified_gmt":"2026-05-09T08:53:14","slug":"threaded-bar","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/ko\/threaded-bar\/","title":{"rendered":"\ub098\uc0ac\ubd09: \uc885\ub958, \ub4f1\uae09, \uc6a9\ub3c4\uc5d0 \ub300\ud55c \uc644\ubcbd \uac00\uc774\ub4dc (2026)"},"content":{"rendered":"

\ub098\uc0ac\ubd09\uc740 \uc804\uccb4 \uae38\uc774\uc5d0 \uac78\uccd0 \uc5f0\uc18d\uc801\uc778 \ub098\uc120\ud615 \ub098\uc0ac\uac00 \uc788\ub294 \uae08\uc18d \ub9c9\ub300\ub85c, \uac74\uc124, \uae30\uacc4, \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uccb4\uacb0, \uace0\uc815, \uc778\uc7a5 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc77c\ubc18 \ubcfc\ud2b8\uc640 \ub2ec\ub9ac \uba38\ub9ac\uac00 \uc5c6\uc73c\uba70, \uc591\ucabd \ub05d \ubaa8\ub450 \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc5b4 \uc870\uc808 \uac00\ub2a5\ud55c \uc5f0\uacb0\uc5d0 \uac00\uc7a5 \ub2e4\uc591\ud55c \ud65c\uc6a9\uc774 \uac00\ub2a5\ud55c \uccb4\uacb0\uc7ac\uc785\ub2c8\ub2e4.<\/strong><\/p>\n

\uc5b4\ub5a4 \uc0c1\uc5c5\uc6a9 \uac74\uc124 \ud604\uc7a5\uc744 \uac78\uc5b4\uac00\ub3c4 \ub098\uc0ac\ubd09\uc774 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uacf3\uc5d0\uc11c \uc77c\ud558\uace0 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucf58\ud06c\ub9ac\ud2b8 \ucc9c\uc7a5\uc5d0\uc11c HVAC \ub355\ud2b8\ub97c \ub9e4\ub2ec\uac70\ub098, \uad6c\uc870\uc6a9 \uac15\ucca0\uc744 \uae30\ucd08\uc5d0 \uace0\uc815\ud558\uac70\ub098, \uc218\ubc31 \ubbf8\ud130\uc5d0 \uac78\uccd0 \ud30c\uc774\ud504 \ud589\uac70\ub97c \uc5f0\uacb0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uac74\ubb3c\uc5d0\uc11c \uac00\uc7a5 \ub208\uc5d0 \ub744\uc9c0 \uc54a\ub294 \uccb4\uacb0\uc7ac \uc911 \ud558\ub098\uc774\uc9c0\ub9cc, \ud558\uc911\uc5d0\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \ubd80\ud488\uc785\ub2c8\ub2e4. \uc798\ubabb\ub41c \ub4f1\uae09\uc774\ub098 \uc9c1\uacbd\uc744 \uc120\ud0dd\ud558\uba74 \ucc9c\uc7a5 \uadf8\ub9ac\ub4dc\uac00 \uc9c4\ub3d9\ud558\uac70\ub098, \uc2ec\uac01\ud55c \uad6c\uc870\uc801 \ubd95\uad34\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774 \uac00\uc774\ub4dc\ub294 \uc5d4\uc9c0\ub2c8\uc5b4, \uc2dc\uacf5\uc0ac, \uad6c\ub9e4\ud300\uc774 \uc62c\ubc14\ub978 \uc120\ud0dd\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ub4f1\uae09, \uc7ac\uc9c8, \ub098\uc0ac \uaddc\uaca9, \ud558\uc911 \ub370\uc774\ud130, \ubd80\uc2dd \ubc29\uc9c0 \uc635\uc158, \uadf8\ub9ac\uace0 \uc18c\ub9e4\uc5c5\uccb4 \uce74\ud14c\uace0\ub9ac \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc81c\uacf5\ud558\uc9c0 \uc54a\ub294 \uc6a9\ub3c4\ubcc4 \ucd94\ucc9c \uc0ac\ud56d\uae4c\uc9c0 \ubaa8\ub450 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n

\"\ub098\uc0ac\ubd09<\/p>\n

\n

\ub098\uc0ac\ubd09\uc774\ub780?<\/h2>\n

\ub098\uc0ac\ubd09\uc740 \u2014 \ub610\ud55c \uc804\ub098\uc0ac\ubd09<\/strong>, \uc804\ub098\uc0ac\ub85c\ub4dc<\/strong>, \ub610\ub294 \uc804\ub098\uc0ac<\/strong> \u2014 \ub77c\uace0\ub3c4 \ubd88\ub9ac\uba70, \ud55c \uac00\uc9c0 \ud2b9\uc9d5\uc73c\ub85c \uc815\uc758\ub418\ub294 \uccb4\uacb0\uc7ac\uc785\ub2c8\ub2e4: \uc591 \ub05d\uc5d0\uc11c \ub05d\uae4c\uc9c0 \uc5f0\uc18d\uc801\uc73c\ub85c \ub098\uc0ac\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uba38\ub9ac\ub3c4, \uc5b4\uae68\ub3c4, \ub098\uc0ac\uac00 \uc5c6\ub294 \uc0f9\ud06c\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4. \uc804\uccb4 \ub9c9\ub300\uac00 \ub098\uc0ac\ub85c \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774 \ud55c \uac00\uc9c0 \uc124\uacc4 \uacb0\uc815\uc774 \uc5c4\uccad\ub09c \uc720\uc5f0\uc131\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \ub098\uc0ac\ubd09\uc740 \ud604\uc7a5\uc5d0\uc11c \uc6d0\ud558\ub294 \uae38\uc774\ub85c \uc808\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uccb4 \uae38\uc774 \uc5b4\ub514\ub4e0 \uc721\uac01\ub108\ud2b8, \ucee4\ud50c\ub9c1\ub108\ud2b8, \ud50c\ub79c\uc9c0\ub108\ud2b8\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc124\uce58 \ubc29\uc2dd\uc5d0 \ub530\ub77c \uc778\uc7a5, \uc555\ucd95, \uc804\ub2e8 \ud558\uc911\uc744 \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc815\ub3c4\uc758 \uc870\uc808 \ubc94\uc704\ub97c \uc81c\uacf5\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uccb4\uacb0\uc7ac\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n

\uac00\uc7a5 \uac00\uae4c\uc6b4 \uc720\uc0ac\ud488\uc740 \uc2a4\ud130\ub4dc \ubcfc\ud2b8<\/strong>\ub85c, \uc591 \ub05d\uc5d0\ub9cc \ub098\uc0ac\uac00 \uc788\uace0 \uc911\uac04\uc740 \ud3c9\ud3c9\ud55c \uc0f9\ud06c\uc785\ub2c8\ub2e4. \uc2a4\ud130\ub4dc \ubcfc\ud2b8\ub294 \ud2b9\uc815 \ud074\ub7a8\ud504 \uae38\uc774\uc640 \ud1a0\ud06c \uac12\uc5d0 \ub9de\uac8c \uc124\uacc4\ub418\uc5b4 \ud604\uc7a5\uc5d0\uc11c \uc870\uc808\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubc18\uba74, \ub098\uc0ac\ubd09\uc740 \ud604\uc7a5\uc5d0\uc11c \uae38\uc774\ub97c \uc808\ub2e8\ud574 \uc0ac\uc6a9\ud558\ubbc0\ub85c, \uc815\ud655\ud55c \uc5f0\uacb0 \uce58\uc218\ub97c \uc124\uce58 \ub2f9\uc77c\uae4c\uc9c0 \uc54c \uc218 \uc5c6\ub294 \ubaa8\ub4e0 \uc6a9\ub3c4\uc5d0\uc11c \uc120\ud638\ub418\ub294 \uccb4\uacb0\uc7ac\uc785\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac \ud615\ud0dc\uc640 \ud53c\uce58<\/h3>\n

\ub300\ud55c\ubbfc\uad6d\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub300\ubd80\ubd84\uc758 \ub098\uc0ac\ubd09\uc740 \uc720\ub2c8\ud30c\uc774 \ud45c\uc900 \uad75\uc740 \ub098\uc0ac(UNC)<\/strong> \ud615\ud0dc\ub97c \uc0ac\uc6a9\ud558\uba70, \ubcc4\ub3c4 \uc9c0\uc815\uc774 \uc5c6\uc73c\uba74 \uae30\ubcf8\uac12\uc785\ub2c8\ub2e4. UNC \ub098\uc0ac\ub294 \ud53c\uce58\uac00 \ube44\uad50\uc801 \ucee4\uc11c(\uc778\uce58\ub2f9 \ub098\uc0ac \uc218\uac00 \uc801\uc74c), \uc870\ub9bd\uc774 \ube60\ub974\uace0, \ub098\uc0ac\uc5d0 \uc774\ubb3c\uc9c8\uc774 \uc788\uc5b4\ub3c4 \uad00\uc6a9\uc131\uc774 \ub192\uc73c\uba70, \ud604\uc7a5\uc5d0\uc11c \uc808\ub2e8\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc720\ub2c8\ud30c\uc774 \ud45c\uc900 \uac00\ub294 \ub098\uc0ac(UNF)<\/strong> \ud615\ud0dc\ub3c4 \uc788\uc9c0\ub9cc, \uad6c\uc870\uc6a9 \uc6a9\ub3c4\uc5d0\uc11c\ub294 \ub4dc\ubb45\ub2c8\ub2e4. \uac00\ub294 \ub098\uc0ac\ub294 \ub2e8\uc704 \uae38\uc774\ub2f9 \ub098\uc0ac \ub9de\ubb3c\ub9bc\uc774 \ub354 \ub9ce\uace0 \uc778\uc7a5 \ud558\uc911 \uc6a9\ub7c9\uc774 \uc57d\uac04 \ub192\uc9c0\ub9cc, \ud1a0\ud06c\ub97c \uac00\ud560 \ub54c \uc27d\uac8c \uc190\uc0c1\ub418\uace0, \ud604\uc7a5\uc5d0\uc11c \uccad\uacb0\uc744 \uc720\uc9c0\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubbf8\ud130\ubc95 \uc2dc\uc7a5\uc5d0\uc11c\ub294 ISO \ubbf8\ud130\uacc4 \uc870\uc784\uc0b0(MC)<\/strong> \ud45c\uc900\uc73c\ub85c, M10, M12, M16, M20 \ub4f1\uc73c\ub85c \uc9c0\uc815\ub429\ub2c8\ub2e4. 1\/2\u2033-13 UNC \ubd09\uacfc M12 \ubd09\uc740 \uc9c1\uacbd\uc774 \ube44\uc2b7\ud558\uc9c0\ub9cc \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4 \u2014 \ub098\uc0ac \ud615\ud0dc, \ud53c\uce58, \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \ub2e4\ub985\ub2c8\ub2e4. \ud574\uc678\uc5d0\uc11c \uc870\ub2ec\ud55c \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc8fc\ubb38\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \ub098\uc0ac \ud45c\uc900\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac\ubd09\uacfc \ucca0\uadfc\uc758 \ucc28\uc774\uc810<\/h3>\n

\uc774\uac83\uc740 \ud604\uc7a5\uc5d0\uc11c \uac00\uc7a5 \ud754\ud788 \ubb3b\ub294 \uc9c8\ubb38 \uc911 \ud558\ub098\uc774\uba70, \uadf8 \ub2f5\ubcc0\uc740 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc5d0 \ub530\ub974\uba74 \uc704\ud0a4\ud53c\ub514\uc544\uc758 \ub098\uc0ac\ubd09 \ubb38\uc11c<\/a>\uc5d0 \ub530\ub974\uba74, \ub098\uc0ac\ubd09\uc740 \ud328\uc2a4\ub108 \ud45c\uc900(ASTM F1554, A307, A354 \ub4f1)\uc5d0 \ub530\ub77c \uc81c\uc870\ub418\uba70, \ub098\uc0ac \uc9c1\uacbd, \ub098\uc0ac \ud53c\uce58, \uc7ac\uc9c8 \ub4f1\uae09\uc73c\ub85c \uc9c0\uc815\ub429\ub2c8\ub2e4. \ucca0\uadfc(\ubcf4\uac15\ubd09)<\/strong> \uc740 \uad6c\uc870 \ucf58\ud06c\ub9ac\ud2b8 \ud45c\uc900(ASTM A615, A706)\uc5d0 \ub530\ub77c \uc81c\uc870\ub418\uba70, \ubd09 \ubc88\ud638\uc640 \ud56d\ubcf5 \uac15\ub3c4\ub85c \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n

\uc911\uc694\ud55c \ucc28\uc774\uc810: \ucca0\uadfc\uc740 \ubcc0\ud615\ub41c \ud45c\uba74<\/strong> \u2014 \ucf58\ud06c\ub9ac\ud2b8\uc640 \uae30\uacc4\uc801\uc73c\ub85c \uacb0\ud569\ub418\ub3c4\ub85d \uc124\uacc4\ub41c \ub3cc\uae30\uc640 \ub9ac\ube0c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc758\ubbf8\uc758 \ub098\uc0ac\uc0b0\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub098\uc0ac\uc0b0 \ucca0\uadfc(\ub54c\ub54c\ub85c \ub098\uc0ac\uc0b0 \ucca0\uadfc \ucee4\ud50c\ub7ec \uc2dc\uc2a4\ud15c<\/strong>\uc774\ub77c\uace0\ub3c4 \ud568)\uc740 \uae30\uacc4\uc801 \uc774\uc74c\uc6a9\uc73c\ub85c \ucca0\uadfc \ub05d\uc5d0 \ud45c\uc900 \ub098\uc0ac\uc0b0\uc744 \ucd94\uac00\ud55c \ud2b9\uc218 \uc81c\ud488\uc73c\ub85c, \ucca0\uadfc\uc758 \ubcc0\ud615 \uc81c\ud488\uc774\uc9c0 \ub098\uc0ac\ubd09 \uc81c\ud488\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n

\ucca0\uadfc\uc774 \uc9c0\uc815\ub41c \uacf3\uc5d0 \ub098\uc0ac\ubd09\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694? \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \ucca0\uadfc\uacfc \ub098\uc0ac\ubd09\uc740 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub978 \uc751\ub825 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uc2b9\uc778 \uc5c6\uc774 \uc11c\ub85c \ub300\uccb4\ud558\ub294 \uac83\uc740 \uaddc\uc815 \uc704\ubc18\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n\n\n\n
\uc18d\uc131<\/th>\n\ub098\uc0ac\ubd09<\/th>\n\ucca0\uadfc(A615 Gr.60)<\/th>\n<\/tr>\n<\/thead>\n
\ud45c\uba74<\/td>\n\uc5f0\uc18d\uc801\uc778 \ub098\uc120\ud615 \ub098\uc0ac\uc0b0<\/td>\n\ucf58\ud06c\ub9ac\ud2b8 \uacb0\ud569\uc744 \uc704\ud55c \ubcc0\ud615 \ub9ac\ube0c<\/td>\n<\/tr>\n
\uc8fc\uc694 \ud558\uc911 \uacbd\ub85c<\/td>\n\ub108\ud2b8 \ubca0\uc5b4\ub9c1\uc744 \ud1b5\ud55c \ucd95\ubc29\ud5a5 \uc778\uc7a5\/\uc555\ucd95<\/td>\n\ucf58\ud06c\ub9ac\ud2b8 \ubd80\ucc29 \/ \uacb9\uce68 \uc774\uc74c<\/td>\n<\/tr>\n
\uaddc\uaca9 \uae30\uc900<\/td>\nASTM F1554, A307, A354, B7<\/td>\nASTM A615, A706<\/td>\n<\/tr>\n
\ud604\uc7a5 \uc808\ub2e8<\/td>\n\uc608 (\uc815\uc758\uc0c1 \uc804\uccb4 \ub098\uc0ac\uc0b0)<\/td>\n\uc608<\/td>\n<\/tr>\n
\uc870\uc808 \uac00\ub2a5\ud55c \uc5f0\uacb0<\/td>\n\uc608 (\uc5b4\ub290 \uc9c0\uc810\uc5d0\uc11c\ub4e0 \ub108\ud2b8 \uc0ac\uc6a9 \uac00\ub2a5)<\/td>\nNo<\/td>\n<\/tr>\n
\ubd80\uc2dd \ubc29\uc9c0<\/td>\n\uc6a9\uc735 \uc544\uc5f0\ub3c4\uae08, \uc2a4\ud14c\uc778\ub9ac\uc2a4, \uc5d0\ud3ed\uc2dc \ucf54\ud305<\/td>\n\uc5d0\ud3ed\uc2dc \ucf54\ud305, \uc544\uc5f0\ub3c4\uae08(\ud2b9\uc218)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\ub098\uc0ac\ubd09\uc758 \uc885\ub958<\/h2>\n

\ub098\uc0ac\ubd09\uc740 \uba3c\uc800 \ub098\uc0ac \ud615\ud0dc<\/strong> (UNC, UNF, \ubbf8\ud130), \uadf8 \ub2e4\uc74c \uc7ac\uc9c8 \ubc0f \ud45c\uba74 \ucc98\ub9ac<\/strong>, \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub4f1\uae09 \uc9c0\uc815<\/strong>. \uc774 \uc138 \uac00\uc9c0 \uc694\uc18c\ub97c \ubaa8\ub450 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc815\ud655\ud55c \uaddc\uaca9 \uc9c0\uc815\uc758 \uc720\uc77c\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n

\"\ub098\uc0ac\ubd09<\/p>\n

\uc7ac\uc9c8\ubcc4<\/h3>\n

\ud0c4\uc18c\uac15(\uc77c\ubc18\/\ud751\uc0c9)<\/strong>
\n\ub300\ud45c\uc801\uc778 \uc81c\ud488. \ud0c4\uc18c\uac15 \ub098\uc0ac\ubd09\uc740 \uac74\uc870\ud55c \uc2e4\ub0b4 \ud658\uacbd\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \uccb4\uacb0 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc800\ub834\ud558\uace0, \ubaa8\ub4e0 \ud45c\uc900 \uaddc\uaca9\uc73c\ub85c \ub110\ub9ac \uad6c\ud560 \uc218 \uc788\uc73c\uba70, \uc808\ub2e8 \ubc0f \ud0ed \uac00\uacf5\uc774 \uc27d\uc2b5\ub2c8\ub2e4. \ub2e8\uc810: \uc2b5\uae30\uc5d0 \ub178\ucd9c\ub418\uba74 \ube60\ub974\uac8c \ub179\uc774 \uc2ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\ub9bd\uccb4\uac00 \ub0a0\uc528\ub098 \uacb0\ub85c\ub85c\ubd80\ud130 \ubcf4\ud638\ub418\ub294 \uacf3\uc5d0\uc11c\ub9cc \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n

\uc6a9\uc735 \uc544\uc5f0\ub3c4\uae08(HDG)<\/strong>
\n\uc6a9\uc735\uc544\uc5f0\ub3c4\uae08 \ub098\uc0ac\ubd09\uc740 \ucd5c\uc18c 1.7 oz\/ft\u00b2(\uc544\uc5f0 \ub3c4\uae08 \uc911\ub7c9, ASTM A153 Class C)\ub85c \uc544\uc5f0 \ucf54\ud305\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc544\uc5f0\uc740 \ud76c\uc0dd\uc591 \uc5ed\ud560\uc744 \ud558\uc5ec \uac15\uc7ac\ub97c \ubcf4\ud638\ud558\ub294 \uc74c\uadf9 \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. HDG\ub294 \uc678\ubd80 \uac74\ucd95, \uc625\uc0c1 \uae30\uacc4 \uc9c0\uc9c0\ub300, \uac04\ud5d0\uc801\uc73c\ub85c \uc2b5\uae30\uc5d0 \ub178\ucd9c\ub418\ub294 \ubaa8\ub4e0 \uc6a9\ub3c4\uc758 \ud45c\uc900 \uc120\ud0dd\uc785\ub2c8\ub2e4. \ucc38\uace0: HDG \ub098\uc0ac\ub294 \ucf54\ud305\uc73c\ub85c \uc778\ud574 \uc57d\uac04 \ud06c\uac8c \uc81c\uc791\ub418\ubbc0\ub85c, \ub9de\ubb3c\ub9ac\ub294 \ub108\ud2b8\ub3c4 \uc544\uc5f0\ub3c4\uae08(\ub610\ub294 \uc624\ubc84\uc0ac\uc774\uc988)\uc774\uc5b4\uc57c \uad50\ucc28 \ub098\uc0ac\uc0b0\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15(304, 316)<\/strong>
\n\uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub098\uc0ac\ubd09\uc740 \ub300\ubd80\ubd84\uc758 \ud658\uacbd\uc5d0\uc11c \ubd80\uc2dd \uac71\uc815\uc744 \uc5c6\uc560\uc90d\ub2c8\ub2e4. 304 \ub4f1\uae09\uc740 304<\/strong> \uc77c\ubc18 \ub300\uae30 \ubc0f \uc2dd\ud488 \ub4f1\uae09 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. 316 \ub4f1\uae09\uc740 316<\/strong> \ubab0\ub9ac\ube0c\ub374\uc774 \ucd94\uac00\ub418\uc5b4 \uc5fc\ud654\ubb3c \ud53c\ud305\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc744 \ub192\uc600\uc2b5\ub2c8\ub2e4. \ud574\uc548 \ud658\uacbd, \ud654\ud559 \uacf5\uc7a5, \uc218\uc601\uc7a5 \uad6c\uc870\ubb3c\uc5d0 \uc801\ud569\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\ub294 \ub3d9\uc77c\ud55c \uc9c1\uacbd\uacfc \uae38\uc774\uc758 \uc77c\ubc18 \ud0c4\uc18c\uac15\ubcf4\ub2e4 4~6\ubc30 \ube44\uc2f8\ubbc0\ub85c, \ubd80\uc2dd \ubc29\uc9c0\uac00 \ubc18\ub4dc\uc2dc \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0\ub9cc \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n

\ud669\ub3d9 \ubc0f \uccad\ub3d9<\/strong>
\n\uc804\uae30 \uc811\uc9c0, \ud574\uc591 \ud558\ub4dc\uc6e8\uc5b4, \ube44\uc790\uc131 \ub610\ub294 \ube44\uc810\ud654 \ud2b9\uc131\uc774 \ud544\uc694\ud55c \uc6a9\ub3c4\uc758 \ud2b9\uc218 \uc7ac\uc9c8\uc785\ub2c8\ub2e4. \ud669\ub3d9 \ub098\uc0ac\ubd09\uc740 \ud0c4\uc18c\uac15\uc758 \uc778\uc7a5 \uac15\ub3c4\uc758 \uc57d \uc808\ubc18\uc774\ubbc0\ub85c \uad6c\uc870 \ud558\uc911\uc740 \uadf8\uc5d0 \ub9de\uac8c \uac10\ud558\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

B7 \ud569\uae08\uac15(\uace0\uc628\uc6a9)<\/strong>
\nB7 \ub098\uc0ac\ubd09(ASTM A193 Grade B7)\uc740 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uac15\uc73c\ub85c, \uc5f4\ucc98\ub9ac \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc555\ub825 \uc6a9\uae30, \uc99d\uae30 \ub77c\uc778, \uace0\uc628 \uc0b0\uc5c5 \ubc30\uad00\uc758 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8\uc5d0 \ud45c\uc900\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud0c4\uc18c\uac15\uc774 \uace0\uc628\uc5d0\uc11c \uac15\ub3c4\ub97c \uc783\ub294 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4: 105 ksi(A36 \uac15\uc7ac\ub294 36 ksi\uc640 \ube44\uad50). \ud56d\uc0c1 B7 \uc2a4\ud130\ub4dc\ub294 ASTM A194 \uae30\uc900 2H \uc911\uc721\uac01 \ub108\ud2b8\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub4f1\uae09\ubcc4<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
\ub4f1\uae09<\/th>\n\ud45c\uc900<\/th>\n\ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4<\/th>\n\uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/th>\n<\/tr>\n<\/thead>\n
2\ub4f1\uae09 \/ A307<\/td>\nASTM A307<\/td>\n36 ksi<\/td>\n\uacbd\ub7c9 \ud589\uac70, \ube44\uad6c\uc870\uc801 \uc5f0\uacb0<\/td>\n<\/tr>\n
5\ub4f1\uae09(SAE)<\/td>\nSAE J429<\/td>\n92 ksi<\/td>\n\uc77c\ubc18 \uae30\uacc4 \uccb4\uacb0<\/td>\n<\/tr>\n
8\ub4f1\uae09 (SAE)<\/td>\nSAE J429<\/td>\n130 ksi<\/td>\n\uace0\uac15\ub3c4 \uae30\uacc4 \uc870\ub9bd\ud488<\/td>\n<\/tr>\n
F1554 Gr.36<\/td>\nASTM F1554<\/td>\n36 ksi<\/td>\n\uc575\ucee4 \ubcfc\ud2b8, \ucf58\ud06c\ub9ac\ud2b8 \ub9e4\ub9bd<\/td>\n<\/tr>\n
F1554 Gr.55<\/td>\nASTM F1554<\/td>\n55 ksi<\/td>\n\uc575\ucee4 \ubcfc\ud2b8, \uc911\uac04 \ud558\uc911<\/td>\n<\/tr>\n
F1554 Gr.105<\/td>\nASTM F1554<\/td>\n105 ksi<\/td>\n\uace0\ud558\uc911 \uc575\ucee4 \ubcfc\ud2b8<\/td>\n<\/tr>\n
B7<\/td>\nASTM A193<\/td>\n105 ksi<\/td>\n\uace0\uc628 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8<\/td>\n<\/tr>\n
L7<\/td>\nASTM A320<\/td>\n105 ksi<\/td>\n\uc800\uc628 \/ \uadf9\uc800\uc628 \uc801\uc6a9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

F1554 \uc2dc\ub9ac\uc988\ub294 \uac74\uc124 \uc804\ubb38\uac00\uc5d0\uac8c \ud2b9\ud788 \uc8fc\ubaa9\ud560 \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc575\ucee4 \ub85c\ub4dc<\/strong> \u2014 \ucf58\ud06c\ub9ac\ud2b8\uc5d0 \ub9e4\ub9bd\ub418\uc5b4 \uad6c\uc870\uc6a9 \uac15\ucca0 \uae30\ub465, \ubca0\uc774\uc2a4 \ud50c\ub808\uc774\ud2b8, \uc7a5\ube44 \ud504\ub808\uc784\uc744 \uace0\uc815\ud558\ub294 \ub098\uc0ac\ud615 \ubc14\ub97c \uc704\ud574 \ud2b9\ubcc4\ud788 \uc791\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub4f1\uae09(36\/55\/105)\uc740 \ub85c\ub4dc\ub97c \uc694\uad6c\ub418\ub294 \uc99d\uba85 \ud558\uc911, \ub9e4\ub9bd \uae4a\uc774, \uac15\ucca0 \uc5f0\uacb0 \ud50c\ub808\uc774\ud2b8 \uc0ac\uc591\uc5d0 \ub9de\ucda5\ub2c8\ub2e4. F1554 Gr.105\uac00 \uc9c0\uc815\ub41c \uacf3\uc5d0 \uc77c\ubc18 A307\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uac80\uc0ac\uad00\uc774 \ubc1c\uacac\ud558\uace0 \uad6c\uc870 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc9c0\uc801\ud560 \uc624\ub958\uc785\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac \ubc29\ud5a5\ubcc4<\/h3>\n

\ub300\ub2e4\uc218\uc758 \ub098\uc0ac\ud615 \ubc14\ub294 \uc6b0\uce21 \ub098\uc0ac<\/strong> \u2014 \uc2dc\uacc4 \ubc29\ud5a5\uc73c\ub85c \uc870\uc774\uba74 \ub418\uace0, \ubc18\uc2dc\uacc4 \ubc29\ud5a5\uc73c\ub85c \ud480\uba74 \ub429\ub2c8\ub2e4. \uc9c4\ub3d9\uc73c\ub85c \uc778\ud574 \uc624\ub978\uc190 \ub098\uc0ac\uac00 \ud480\ub9b4 \uc218 \uc788\ub294 \uacbd\uc6b0(\uc77c\ubd80 \ud68c\uc804 \uc7a5\ube44, \uc790\uc804\uac70 \ubd80\ud488, \ud2b9\uc815 \uc0b0\uc5c5 \uae30\uacc4 \ub4f1)\uc5d0\ub294 \uc67c\uc190 \ub098\uc0ac \ub9c9\ub300\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc624\ub978\uc190 \ub098\uc0ac \uc774\uc678\uc758 \ubc29\ud5a5\uc744 \uc8fc\ubb38\ud560 \ub54c\ub294 \ubc18\ub4dc\uc2dc \ub098\uc0ac \ubc29\ud5a5\uc744 \uba85\ud655\ud788 \uc9c0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\n

\ub098\uc0ac \ub9c9\ub300\uc758 \uc0b0\uc5c5\ubcc4 \uc801\uc6a9 \uc0ac\ub840<\/h2>\n

\uac74\uc124 \ubc0f \uad6c\uc870\ubb3c \uccb4\uacb0<\/h3>\n

\ub098\uc0ac \ub9c9\ub300\ub294 \uc0c1\uc5c5\uc6a9 \uac74\uc124\uc5d0\uc11c \uad6c\uc870 \uc5f0\uacb0 \ud558\ub4dc\uc6e8\uc5b4\uc758 \ud575\uc2ec \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uae30\ub465 \ubca0\uc774\uc2a4 \ud50c\ub808\uc774\ud2b8 \uc575\ucee4<\/strong> F1554 \ub098\uc0ac \ub9c9\ub300\ub97c \ucf58\ud06c\ub9ac\ud2b8 \ud328\ub4dc\uc5d0 \ub9e4\ub9bd\ud558\uc5ec \uc0ac\uc6a9\ud558\uba70, \ub178\ucd9c\ub41c \ub098\uc0ac \ub05d\uc740 \ubca0\uc774\uc2a4 \ud50c\ub808\uc774\ud2b8\uc640 \uc911\ud615 \uc721\uac01 \ub108\ud2b8\ub97c \ubc1b\uc544 \uad6c\uc870 \uac15\uc7ac\uc5d0\uc11c \uae30\ucd08\uae4c\uc9c0 \ud558\uc911 \uacbd\ub85c\ub97c \uc644\uc131\ud569\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud234\ubc15\uc2a4\uc5d0\uc11c\ub294 \uc801\uc808\ud55c \uc575\ucee4 \ubcfc\ud2b8 \uc124\uacc4 \uc2dc \uc778\uc7a5 \ud480\ub9bc \uc6a9\ub7c9(\ucf58\ud06c\ub9ac\ud2b8 \ud30c\uad34)\uacfc \ubca0\uc774\uc2a4 \ud50c\ub808\uc774\ud2b8 \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c\uc758 \uc804\ub2e8\uc744 \ubaa8\ub450 \uace0\ub824\ud574\uc57c \ud55c\ub2e4\uace0 \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n

\ucc9c\uc7a5 \ubc0f \uae30\uacc4 \uc2dc\uc2a4\ud15c \ub9e4\ub2ec\uae30<\/strong> \ubd80\ud488 \uc218 \uae30\uc900\uc73c\ub85c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 \ubd84\uc57c\uc785\ub2c8\ub2e4. HVAC \ub355\ud2b8, \uc804\uc120\uad00, \ud30c\uc774\ud504 \ud589\uac70, \uc2a4\ud504\ub9c1\ud074\ub7ec \uc2dc\uc2a4\ud15c \ub4f1\uc740 \ubaa8\ub450 \uad6c\uc870 \ucf58\ud06c\ub9ac\ud2b8 \ub610\ub294 \uc0c1\ubd80 \uac15\uc7ac\uc5d0 \uace0\uc815\ub41c \ub098\uc0ac \ub9c9\ub300\uc5d0 \ub9e4\ub2ec\ub9bd\ub2c8\ub2e4. \uae30\uacc4 \ubc0f \uc804\uae30 \uc0b0\uc5c5\uc5d0\uc11c\ub294 \uacbd\ub7c9 \ud558\uc911(200lb \ubbf8\ub9cc)\uc5d0 3\/8\u2033-16 UNC, \uc911\ub7c9 \ud558\uc911(200\u2013600lb)\uc5d0 1\/2\u2033-13 UNC\ub97c \uae30\ubcf8\uc73c\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub354 \ubb34\uac70\uc6b4 \ud558\uc911\uc5d0\ub294 \ub9c9\ub300 \uc9c1\uacbd, \ub4f1\uae09, \uc575\ucee4 \uc885\ub958\uc5d0 \ub300\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\ud1a0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uac70\ud478\uc9d1 \ubc0f \ub3d9\ubc14\ub9ac \uc2dc\uc2a4\ud15c<\/strong> \ub098\uc0ac \ub9c9\ub300\ub97c \uac70\ud478\uc9d1 \ud0c0\uc774\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4 \u2014 \uc2e0\uc120\ud55c \ucf58\ud06c\ub9ac\ud2b8\uc758 \uc218\uc555\uc5d0 \ub9de\uc11c \uac70\ud478\uc9d1 \ud328\ub110\uc744 \uc11c\ub85c \ub2f9\uaca8\uc8fc\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ucf54\ud305\ub418\uac70\ub098 \ud50c\ub77c\uc2a4\ud2f1 \uc2ac\ub9ac\ube0c\uac00 \uc50c\uc6cc\uc838 \uc788\uc73c\uba70(\ud50c\ub77c\uc2a4\ud2f1 \uc2ac\ub9ac\ube0c\ub294 \uc81c\uac70 \ud6c4 \ubcf4\uc218 \uac00\ub2a5\ud55c \uad6c\uba4d\uc744 \ub0a8\uae40), \uc77c\ud68c\uc6a9\uc73c\ub85c \uc0ac\uc6a9\ub418\uc5b4 \uac70\ud478\uc9d1 \uc81c\uac70 \ud6c4 \ucf58\ud06c\ub9ac\ud2b8 \ub0b4\uc5d0 \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc0b0\uc5c5 \ubc0f \uc81c\uc870<\/h3>\n

\uc0b0\uc5c5\uc6a9 \ubc30\uad00\uc5d0\uc11c B7 \ub098\uc0ac \ub9c9\ub300<\/strong> \uc11d\uc720\ud654\ud559 \ud50c\ub79c\ud2b8, \ubc1c\uc804 \uc2dc\uc124, \uc815\uc720\uc18c \ub4f1\uc5d0\uc11c \ud50c\ub79c\uc9c0 \uc5f0\uacb0\uc744 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud558\ub098\uc758 8\u2033 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8\uc5d0\ub294 8\uac1c\uc758 B7 \ubcfc\ud2b8\uac00 \uc0ac\uc6a9\ub418\uba70, \uac01 \ubcfc\ud2b8\ub294 \uc815\ubc00\ud55c \uc7a5\ube44\ub85c \ud1a0\ud06c\ub97c \ub9de\ucdb0 \uac00\uc2a4\ucf13\uc758 \ud558\uc911\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub4f1\uae09\uc744 \uc798\ubabb \uc0ac\uc6a9\ud558\uba74 \u2014 \uc608\ub97c \ub4e4\uc5b4 B7\uc774 \ud544\uc694\ud55c \uacf3\uc5d0 A307\uc744 \uc0ac\uc6a9\ud558\uba74 \u2014 \uc6b4\uc804 \uc628\ub3c4\uc5d0\uc11c \ubcfc\ud2b8\uac00 \ud30c\uc190\ub418\uc5b4 \uce58\uba85\uc801\uc778 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uae30\uacc4 \ubca0\uc774\uc2a4 \ubc0f \ub808\ubca8\ub9c1 \uc870\ub9bd<\/strong> \ub098\uc0ac \ub9c9\ub300\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc7a5\ube44 \ub192\uc774\uc640 \uc218\ud3c9\uc744 \uc870\uc815\ud569\ub2c8\ub2e4. \ub9c9\ub300\ub294 \ubca0\uc774\uc2a4 \ud504\ub808\uc784\uc5d0 \uc6a9\uc811\ub41c \ub108\ud2b8\ub97c \ud1b5\uacfc\ud558\uba70, \ub9c9\ub300\ub97c \ud68c\uc804\uc2dc\ud0a4\uba74 \ud574\ub2f9 \ucf54\ub108\uac00 \uc62c\ub77c\uac00\uac70\ub098 \ub0b4\ub824\uac11\ub2c8\ub2e4. \ub808\ubca8\ub9c1 \ud6c4\uc5d0\ub294 \uc7a0\uae08 \ub108\ud2b8\ub85c \uc704\uce58\ub97c \uace0\uc815\ud569\ub2c8\ub2e4. \uc774 \uc6a9\ub3c4\uc5d0\ub294 \ubbf8\uc138 \uc870\uc815\uc774 \uac00\ub2a5\ud55c \ubbf8\uc138 \ub098\uc0ac(UNF)\uac00 \uc120\ud638\ub429\ub2c8\ub2e4.<\/p>\n

\uc804\uae30 \ubc0f \ud1b5\uc2e0<\/h3>\n

\ub098\uc0ac \ub9c9\ub300\ub294 \ucf00\uc774\ube14 \ud2b8\ub808\uc774 \uc2dc\uc2a4\ud15c<\/strong>\uc744 \uc9c0\uc9c0\ud569\ub2c8\ub2e4. \ucf00\uc774\ube14 \ud2b8\ub808\uc774\ub294 \uc0b0\uc5c5 \ubc0f \uc0c1\uc5c5 \uac74\ubb3c \uc804\uccb4\uc5d0 \uc804\ub825 \ubc0f \uc81c\uc5b4 \ucf00\uc774\ube14 \ubb36\uc74c\uc744 \uc6b4\ubc18\ud569\ub2c8\ub2e4. \ucf00\uc774\ube14 \ud2b8\ub808\uc774 \ub9c9\ub300 \ud589\uac70\ub294 \uac70\uc758 \ub300\ubd80\ubd84 3\/8\u2033-16 \u00d7 \ub2e4\uc591\ud55c \uae38\uc774\ub85c \uc0ac\uc6a9\ub418\uba70, \uc5d0\uc5b4\ucee8 \uacb0\ub85c\ub85c \uc778\ud55c \uc2b5\uae30\uac00 \ub9ce\uc740 \ud50c\ub808\ub118 \uacf5\uac04\uc5d0\ub294 \uc6a9\uc735 \uc544\uc5f0 \ub3c4\uae08 \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n

\uc548\ud14c\ub098 \ubc0f \ud0c0\uc6cc \uc124\uce58 \ud558\ub4dc\uc6e8\uc5b4<\/strong> \ud1b5\uc2e0 \uc2dc\uc124\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \ub178\ucd9c\ub41c \uccb4\uacb0 \ubd80\ud488\uc5d0 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ub098\uc0ac\ubd09\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc790\uc678\uc120 \ub178\ucd9c, \uc628\ub3c4 \ubcc0\ud654, (\ud574\uc548 \uc9c0\uc5ed\uc758 \uacbd\uc6b0) \uc5fc\ubd84\uc774 \uc11e\uc778 \uacf5\uae30\uc758 \uc870\ud569\uc73c\ub85c \uc778\ud574 \uc2a4\ud14c\uc778\ub9ac\uc2a4\ub9cc\uc774 \uc810\uac80 \uc8fc\uae30 \uc0ac\uc774\uc5d0 \ubd80\uc2dd\ub418\uc5b4 \uc6c0\uc9c1\uc774\uc9c0 \uc54a\uac8c \ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\ub294 \uc720\uc77c\ud55c \uc7ac\uc9c8\uc785\ub2c8\ub2e4.<\/p>\n

\n

\uc801\ud569\ud55c \ub098\uc0ac\ubd09 \uc120\ud0dd \ubc29\ubc95<\/h2>\n

\uc120\ud0dd \uacfc\uc815\uc5d0\ub294 \ub124 \uac00\uc9c0 \ubcc0\uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4: \uc9c1\uacbd<\/strong>, \ub4f1\uae09<\/strong>, \uc7ac\uc9c8\/\ub9c8\uac10<\/strong>, \uadf8\ub9ac\uace0 \ub098\uc0ac \ud615\ud0dc<\/strong>. \uadf8 \uc21c\uc11c\ub300\ub85c \ucd5c\uc801\ud654\ud558\uc138\uc694.<\/p>\n

\"\ub098\uc0ac\ubd09<\/p>\n

1\ub2e8\uacc4: \ud544\uc694\ud55c \uc778\uc7a5 \ud558\uc911 \uacb0\uc815<\/h3>\n

\uc2e4\uc81c \uc801\uc6a9 \ud558\uc911\uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec \uc548\uc804 \uacc4\uc218\ub97c \uc801\uc6a9\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uac74\uc124 \ud604\uc7a5\uc5d0\uc11c\ub294 \ub098\uc0ac\ubd09\uc758 \uc815\uaca9 \uc778\uc7a5 \uac15\ub3c4\uc5d0 3:1\uc758 \uc548\uc804 \uacc4\uc218\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc0b0\uc5c5\uc6a9 \uc555\ub825 \uc720\uc9c0 \uc751\uc6a9(\ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8)\uc5d0\uc11c\ub294 \uc791\ub3d9 \uc628\ub3c4\uc640 \uc11c\ube44\uc2a4 \ub4f1\uae09\uc5d0 \ub530\ub77c \uc548\uc804 \uacc4\uc218\ub97c \uc815\ud558\ub294 ASME \uae30\uc900\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n

1\/2\u2033-13 UNC 5\ub4f1\uae09 \ub098\uc0ac\ubd09\uc740 \uc778\uc7a5 \uba74\uc801\uc774 0.1419 in\u00b2\uc774\uace0 \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4\uac00 120 ksi\uc774\ubbc0\ub85c \uc815\uaca9 \uc778\uc7a5 \ud558\uc911\uc740 \uc57d 17,000 lb<\/strong>\uc785\ub2c8\ub2e4. 3:1 \uc548\uc804 \uacc4\uc218\ub97c \uc801\uc6a9\ud558\uba74 \ud5c8\uc6a9 \ud558\uc911\uc740 \ub300\ub7b5 5,700 lb<\/strong>\uc785\ub2c8\ub2e4. \uacc4\uc0b0\ub41c \ud558\uc911\uacfc \uc548\uc804 \uacc4\uc218\uc758 \ud569\uc774 \uc774\ub97c \ucd08\uacfc\ud558\uba74 \ud55c \ub2e8\uacc4 \ub354 \ud070 \uc9c1\uacbd\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n

2\ub2e8\uacc4: \ub4f1\uae09\uc744 \uc6a9\ub3c4\uc5d0 \ub9de\uac8c \uc120\ud0dd<\/h3>\n

\u201c\uac15\ud560\uc218\ub85d \uc88b\ub2e4\u201d\ub294 \uc774\uc720\ub85c 8\ub4f1\uae09\uc744 \uae30\ubcf8\uc73c\ub85c \uc120\ud0dd\ud558\uc9c0 \ub9c8\uc138\uc694. \uace0\uac15\ub3c4 \ub4f1\uae09\uc77c\uc218\ub85d \ub354 \ucde8\uc57d\ud558\uace0 \ub178\uce58\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4. \ub80c\uce58 \ubbf8\ub044\ub7ec\uc9d0\uc73c\ub85c \ub098\uc0ac\uc5d0 \ud760\uc9d1\uc774 \uc0dd\uae30\uba74 8\ub4f1\uae09\uc5d0\uc11c\ub294 \ud53c\ub85c \uade0\uc5f4\uc774 \uc2dc\uc791\ub420 \uc218 \uc788\uc9c0\ub9cc, 2\ub4f1\uae09 \ub098\uc0ac\ubd09\uc5d0\uc11c\ub294 \ub2e8\uc21c\ud788 \ub20c\ub9bc \uc790\uad6d\ub9cc \ub0a8\uc2b5\ub2c8\ub2e4. \ucd5c\ub300 \ub4f1\uae09\uc774 \uc544\ub2cc \ud558\uc911\uc5d0 \ub9de\ub294 \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n

\uc575\ucee4 \ubcfc\ud2b8\uc6a9: ASTM F1554\ub97c \uc0ac\uc6a9\ud558\uace0 \uad6c\uc870 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc9c0\uc815\ud55c \ub4f1\uae09(36, 55, 105)\uc744 \uba85\ud655\ud788 \uc9c0\uc815\ud558\uc138\uc694 \u2014 \uc11c\ub85c \ub300\uccb4 \ubd88\uac00\uc785\ub2c8\ub2e4.<\/p>\n

\ucc9c\uc7a5 \ub9e4\ub2ec\uae30 \uc9c0\uc9c0\uc6a9: 3\/8\u2033-16 2\ub4f1\uae09(A307)\uc774 \ud45c\uc900\uc774\uba70, \ub098\uc0ac\ubd09\ub2f9 \uc57d 140 lb \ud558\uc911\uae4c\uc9c0 3:1 \uc548\uc804 \uacc4\uc218\ub85c \ucf54\ub4dc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n

\uace0\uc628 \ud50c\ub79c\uc9c0 \uc870\uc778\ud2b8\uc6a9: ASTM A193\uc758 B7 \u2014 \ub300\uccb4 \ubd88\uac00.<\/p>\n

3\ub2e8\uacc4: \ud658\uacbd\uc5d0 \ub9de\ub294 \uc7ac\uc9c8 \ubc0f \ub9c8\uac10 \uc120\ud0dd<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
\ud658\uacbd<\/th>\n\uad8c\uc7a5 \ub9c8\uac10<\/th>\n<\/tr>\n<\/thead>\n
\uc2e4\ub0b4 \uac74\uc870 \ud658\uacbd (HVAC, \ub370\uc774\ud130 \uc13c\ud130)<\/td>\n\uc77c\ubc18 \ud0c4\uc18c\uac15 (A307, F1554)<\/td>\n<\/tr>\n
\uc678\ubd80 \/ \uac04\ud5d0\uc801 \uc2b5\uae30<\/td>\n\uc6a9\uc735\uc544\uc5f0\ub3c4\uae08 (HDG)<\/td>\n<\/tr>\n
\ud574\uc548 \/ \uc5fc\ud654\ubb3c \ub178\ucd9c<\/td>\n316 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/td>\n<\/tr>\n
\uc2dd\ud488 \uac00\uacf5 \/ \uc81c\uc57d<\/td>\n304 \ub610\ub294 316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td>\n<\/tr>\n
\uace0\uc628 \ud658\uacbd (>800\u00b0F)<\/td>\nB7 \ud569\uae08\uac15 (\ucf54\ud305 \uc5c6\uc74c)<\/td>\n<\/tr>\n
\uc800\uc628 \/ \uadf9\uc800\uc628 \ud658\uacbd<\/td>\nL7 \ud569\uae08\uac15<\/td>\n<\/tr>\n
\ud654\ud559\ubb3c\uc9c8 \/ \uc0b0 \ub178\ucd9c<\/td>\n\ud558\uc2a4\ud154\ub85c\uc774 \ub610\ub294 \ud2b9\uc218 \ud569\uae08 (\uacf5\uae09\uc5c5\uccb4 \uc0c1\ub2f4)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4\ub2e8\uacc4: \ub098\uc0ac\uc0b0 \ud638\ud658\uc131 \ud655\uc778<\/h3>\n

\ub098\uc0ac\uc0b0 \ubc14\ub294 \uc774\uc5d0 \ub9de\ub294 \ub108\ud2b8\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud560 \ub54c\ub9cc \uc720\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc744 \ud655\uc778\ud558\uc138\uc694:
\n– \ub098\uc0ac\uc0b0 \ud615\ud0dc \uc77c\uce58<\/strong>: UNC \ubc14\uc5d0\ub294 UNC \ub108\ud2b8; \ubbf8\ud130 \ubc14\uc5d0\ub294 \ubbf8\ud130 \ub108\ud2b8.
\n– \ub4f1\uae09 \uc77c\uce58<\/strong>: \ub108\ud2b8 \ub4f1\uae09\uc740 \ubc18\ub4dc\uc2dc \ub85c\ub4dc \ub4f1\uae09\uacfc \uac19\uac70\ub098 \uadf8 \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. B7 \ub85c\ub4dc\ub294 2H \uc911\ud615 \uc721\uac01 \ub108\ud2b8(ASTM A194)\uc640 \uc9dd\uc744 \uc774\ub8f9\ub2c8\ub2e4. F1554 Gr.105 \ub85c\ub4dc\ub294 Grade C \ub610\ub294 2H \uc911\ud615 \uc721\uac01 \ub108\ud2b8\uc640 \uc9dd\uc744 \uc774\ub8f9\ub2c8\ub2e4.
\n– \ub3c4\uae08 \uc77c\uce58<\/strong>: HDG \ub85c\ub4dc\ub294 HDG \ub610\ub294 \uc624\ubc84\uc0ac\uc774\uc988 \ub108\ud2b8\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud45c\uc900 \ub108\ud2b8\ub97c \uc544\uc5f0\ub3c4\uae08 \ub85c\ub4dc\uc5d0 \ub07c\uc6b0\ub824\uace0 \ud558\uc9c0 \ub9c8\uc138\uc694 \u2014 \ub098\uc0ac\uc0b0\uc5d0 \uc313\uc778 \uc544\uc5f0 \ub54c\ubb38\uc5d0 \ub108\ud2b8\uac00 \uac78\ub9ac\uac70\ub098 \ub098\uc0ac\uc0b0\uc774 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2e4\uc218 \ud53c\ud558\uae30<\/h3>\n

\uc575\ucee4 \ubcfc\ud2b8 \ub4f1\uae09 \uacfc\uc18c \uc9c0\uc815<\/strong>: F1554 Gr.36\uc740 F1554 Gr.105\uc640 \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud56d\ubcf5 \uac15\ub3c4 \ucc28\uc774\ub294 \uac70\uc758 3:1\uc785\ub2c8\ub2e4. Gr.105\uac00 \uc9c0\uc815\ub41c \uacf3\uc5d0 Gr.36\uc744 \uc0ac\uc6a9\ud558\uba74 \uc124\uacc4 \ud558\uc911\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc575\ucee4\uac00 \ud56d\ubcf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac \uaddc\uaca9 \ud63c\uc6a9<\/strong>: 1\/2\u2033-13 UNC \uc721\uac01 \ub108\ud2b8\ub97c M12 \ub85c\ub4dc\uc5d0 \ub07c\uc6b0\uba74 \ube44\uc2b7\ud574 \ubcf4\uc774\uc9c0\ub9cc, \ub108\ud2b8\uac00 \ub098\uc0ac\uc0b0\uc744 \ub9dd\uac00\ub728\ub824 \ub450 \ubd80\ud488 \ubaa8\ub450 \ud30c\uc190\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uc0c1 \ub098\uc0ac \uaddc\uaca9\ud45c\ub97c \ub85c\ub4dc \uc0ac\uc591\uacfc \ub300\uc870\ud558\uc5ec \ud655\uc778\ud558\uc138\uc694.<\/p>\n

\uc2b5\ud55c \ud658\uacbd\uc5d0\uc11c \uc77c\ubc18 \uac15\uc7ac \uc0ac\uc6a9<\/strong>: \ub179\uc740 \ub2e8\uc21c\ud55c \uc678\uad00 \ubb38\uc81c\uac00 \uc544\ub2d9\ub2c8\ub2e4. \ucc9c\uc7a5 \ub9e4\ub2ec\uae30 \uc801\uc6a9\uc5d0\uc11c \ub179 \uc904\ubb34\ub2ac\ub294 \ub2e8\uba74\uc801\uacfc \ud53c\ub85c \uc218\uba85\uc744 \uac10\uc18c\uc2dc\ud0a4\ub294 \ud65c\uc131 \ubd80\uc2dd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud45c\uba74\uc5d0 \ub179\uc774 \ubcf4\uc77c \ub54c\ucbe4\uc774\uba74 \uc774\ubbf8 \ubaa8\uc7ac\uac00 \uc190\uc0c1\ub41c \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n

\uba74\ucde8 \uc5c6\uc774 \uc808\ub2e8<\/strong>: \ud604\uc7a5\uc5d0\uc11c \uc808\ub2e8\ud55c \ub098\uc0ac\ubd09\uc740 \ub108\ud2b8\ub97c \ub07c\uc6b0\uae30 \uc804\uc5d0 \uc808\ub2e8\uba74\uc744 \uba74\ucde8(\ubca0\ubca8\ub9c1)\ud574\uc57c \ud569\ub2c8\ub2e4. \uba74\ucde8\ud558\uc9c0 \uc54a\uc740 \uc808\ub2e8\uba74\uc740 \ub108\ud2b8\uac00 \ub098\uc0ac\uc0b0\uc744 \ub9dd\uac00\ub728\ub9ac\uac70\ub098 \uc911\uac04\uc5d0 \uac78\ub9ac\uac8c \ud558\ub294 \ub3cc\uae30\ub97c \ub0a8\uae41\ub2c8\ub2e4.<\/p>\n

\n

\ub098\uc0ac\ubd09 \uae30\uc220\uc758 \ubbf8\ub798 \ub3d9\ud5a5 (2026+)<\/h2>\n

\ucca8\ub2e8 \ub0b4\uc2dd\uc131 \ucf54\ud305<\/h3>\n

\uc544\uc5f0\ub3c4\uae08 \uc2dc\uc7a5\uc740 \uc9c4\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc6a9\uc735\uc544\uc5f0\ub3c4\uae08\uc774 \uc5ec\uc804\ud788 \ube44\uc6a9-\uc131\ub2a5 \ud45c\uc900\uc774\uc9c0\ub9cc, \uae30\uacc4\uc801 \uc544\uc5f0\ub3c4\uae08<\/strong> (\ud140\ube14\ub9c1\uc744 \ud1b5\ud55c \ub0c9\uac04 \uc544\uc5f0 \ucf54\ud305)\uc740 HDG \uacf5\uc815\uc5d0\uc11c \uce58\uc218 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uc18c\uad6c\uacbd \ub85c\ub4dc\uc5d0 \uc810\uc810 \ub354 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uacc4\uc801 \uc544\uc5f0\ub3c4\uae08\uc740 \ub354 \uade0\uc77c\ud55c \ucf54\ud305 \ub450\uaed8\ub97c \uc81c\uacf5\ud558\uc5ec \ub108\ud2b8\/\ub85c\ub4dc \uac04\uadf9\uc774 \uc881\uc740 \uc815\ubc00 \uc870\ub9bd\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\ub2e4\ud06c\ub85c\uba67 \ubc0f \uc9c0\uc624\uba67 \ucf54\ud305<\/strong> (\uc544\uc5f0 \ud50c\ub808\uc774\ud06c \uc2dc\uc2a4\ud15c)\uc740 \uc790\ub3d9\ucc28 \ubc0f \uc57c\uc678 \uc778\ud504\ub77c \ubd84\uc57c\uc5d0\uc11c \uc131\uc7a5\ud558\uace0 \uc788\uc73c\uba70, \ucf54\ud305 \ub450\uaed8\ub294 \uc587\uc73c\uba74\uc11c\ub3c4 HDG\uc640 \uc720\uc0ac\ud55c \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ubbf8 \ud48d\ub825 \ud0c0\uc6cc \uc575\ucee4 \ubcfc\ud2b8\uc5d0 \uc801\uc6a9\ub418\uace0 \uc788\uc73c\uba70, \uac80\uc0ac\uc790\uc640 \uad6c\uc870 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc2dc\ud5d8 \ub370\uc774\ud130\ub97c \uc775\ud788\uba74\uc11c \uac74\uc124 \ubd84\uc57c\ub85c \ud655\ub300\ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

\uace0\uac15\ub3c4 \uc800\ud569\uae08(HSLA) \ub4f1\uae09<\/h3>\n

\uad6c\uc870\uc6a9 \uac15\uc7ac \uc0b0\uc5c5\uc758 \uace0\uac15\ub3c4 \uc18c\uc7ac \ucd94\uad6c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc218\uc694\ub97c \ucc3d\ucd9c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4 F1554 Gr.105 \ubc0f B7 \ub300\uad6c\uacbd \ub098\uc0ac\ubd09<\/strong> \u2014 2\u2033 \uc774\uc0c1 \u2014 \uace0\uce35 \uac74\ubb3c \uae30\ub465 \ubca0\uc774\uc2a4 \ubc0f \uc911\uc7a5\ube44 \uc575\ucee4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 4\u2033 \uc9c1\uacbd\uc758 B7 \ubd09\uc744 \uc804\uccb4 \ub2e8\uba74\uc5d0 \uac78\uccd0 \uc77c\uad00\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc73c\ub85c \uc81c\uc870\ud558\ub824\uba74 \uc815\ubc00\ud55c \uc5f4\ucc98\ub9ac \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uac74\uc124 \ud604\uc7a5\uc758 \uc548\uc804 \uae30\uc900\uc740 \ubaa8\ub4e0 \uc8fc\uc694 \uc575\ucee4 \ubcfc\ud2b8 \ubd80\ud488\uc5d0 \ub300\ud574 \uc778\uc99d\ub41c \uacf5\uc7a5 \uc2dc\ud5d8 \uc131\uc801\uc11c(MTR)\ub97c \uc810\uc810 \ub354 \uc694\uad6c\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \ubd09 \uc81c\uc870 \ud488\uc9c8 \ud22c\uc790\ub85c \uc774\uc5b4\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub514\uc9c0\ud138 \ucd94\uc801 \uac00\ub2a5\uc131<\/h3>\n

\ucf58\ud06c\ub9ac\ud2b8\uc5d0 \ub9e4\ub9bd\ub41c \uc575\ucee4 \ubcfc\ud2b8\ub294 \uc2dc\uacf5 \ud6c4 \uc811\uadfc\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \uc218\ub144 \ud6c4 \uc7ac\uc9c8 \uaddc\uaca9\uc5d0 \uc758\uc2ec\uc774 \uc0dd\uae30\uba74, \ud30c\uad34\uc801 \uc870\uc0ac\ub97c \ud558\uc9c0 \uc54a\uace0\ub294 \uc0d8\ud50c\ub9c1\uc774\ub098 \uc2dc\ud5d8\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \uc5c5\uacc4\ub294 \uc810\ucc28 QR \ucf54\ub4dc\uac00 \ubd80\ucc29\ub41c \uc575\ucee4 \ubcfc\ud2b8 \ud328\ud0a4\uc9c0<\/strong> \ub85c \uc774\ub3d9\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \ub514\uc9c0\ud138 \uacf5\uc7a5 \uc2dc\ud5d8 \uc131\uc801\uc11c, \uc5f4\ucc98\ub9ac \ubc88\ud638, \uac80\uc0ac \uae30\ub85d\uacfc \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uc55e\uc73c\ub85c 3~5\ub144 \ub0b4\uc5d0 \uc8fc\uc694 \uacf5\uacf5 \uc778\ud504\ub77c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc774\ub7ec\ud55c \uc0ac\uc591 \uc694\uad6c\uac00 \ud45c\uc900\uc774 \ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n

\uc778\ud504\ub77c \uc7ac\uc0dd\uc5d0\uc11c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc218\uc694<\/h3>\n

\ub178\ud6c4 \uc778\ud504\ub77c\uac00 \uad50\uccb4\ub428\uc5d0 \ub530\ub77c, \ud2b9\ud788 \ud574\uc548 \uad50\ub7c9, \ubc29\ud30c\uc81c \uc575\ucee4 \uc2dc\uc2a4\ud15c, \uc815\uc218 \uc2dc\uc124 \ub4f1\uc5d0\uc11c\ub294 \uae30\uc874\uc5d0 \uc77c\ubc18 \uac15\uc7ac(\ud604\uc7ac\ub294 \ubd80\uc2dd\ub418\uc5b4 \uc0ac\uc6a9 \ubd88\uac00)\ub97c \uc0ac\uc6a9\ud588\ub358 \uacf3\uc5d0 316L \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub098\uc0ac\ubd09\uc744 \uc124\uacc4\uc5d0 \ubc18\uc601\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uaca9\uc740 \ub192\uc9c0\ub9cc, \uc811\uadfc\uc774 \uc5b4\ub824\uc6b4 \uccb4\uacb0\uc7ac\uc758 \uad50\uccb4 \uc778\uac74\ube44\uae4c\uc9c0 \ud3ec\ud568\ud55c \uc218\uba85\uc8fc\uae30 \ube44\uc6a9 \ubd84\uc11d\uc5d0\uc11c\ub294 \uc5fc\ud654\ubb3c \ud658\uacbd\uc5d0\uc11c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac00 \ud56d\uc0c1 \uc720\ub9ac\ud569\ub2c8\ub2e4. \uc804 \uc138\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uccb4\uacb0\uc7ac \uc2dc\uc7a5\uc740 2030\ub144\uae4c\uc9c0 \uafb8\uc900\ud55c \uc131\uc7a5\uc774 \uc608\uc0c1\ub418\uba70, \uc774\ub294 \uc8fc\ub85c \ub300\ud55c\ubbfc\uad6d\uacfc \uc720\ub7fd\uc758 \uc778\ud504\ub77c \uc7ac\uc0dd \uc218\uc694\uac00 \uacac\uc778\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n

\ub098\uc0ac\ubd09\uc740 \uc5b4\ub514\uc5d0 \uc0ac\uc6a9\ub418\ub098\uc694?<\/strong>
\n\ub098\uc0ac\ubd09\uc740 \uae38\uc774 \uc870\uc808\uc774\ub098 \uc591\ucabd \uc811\uadfc\uc774 \ud544\uc694\ud55c \ubaa8\ub4e0 \uc5f0\uacb0\ubd80\uc5d0\uc11c \uccb4\uacb0\uc7ac, \uc575\ucee4, \uc778\uc7a5\ubd09 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub85c\ub294 \ucc9c\uc7a5 \uc2dc\uc2a4\ud15c \ub9e4\ub2ec\uae30, \uad6c\uc870\uc6a9 \uac15\uc7ac \uae30\ub465\uc744 \ucf58\ud06c\ub9ac\ud2b8 \uae30\ucd08\uc5d0 \uace0\uc815, \ud50c\ub79c\uc9c0\ud615 \ubc30\uad00 \uc5f0\uacb0, \ucf00\uc774\ube14 \ud2b8\ub808\uc774 \uc9c0\uc9c0, \uc0b0\uc5c5 \uc7a5\ube44 \uc218\ud3c9 \uc870\uc815 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac\ubd09\uacfc \ub098\uc0ac\ub85c\ub4dc\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong>
\n\ub3d9\uc77c\ud55c \uc81c\ud488\uc774\uba70, \uc6a9\uc5b4\ub9cc \ub2e4\ub974\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud55c\ubbfc\uad6d\uc5d0\uc11c\ub294 '\ub098\uc0ac\ub85c\ub4dc'\uac00 \ub354 \uc77c\ubc18\uc801\uc774\uace0, \uc601\uad6d \ubc0f \uc601\uc5f0\ubc29 \uad6d\uac00\uc5d0\uc11c\ub294 '\ub098\uc0ac\ubd09'\uc774 \ub354 \ud754\ud788 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub458 \ub2e4 \uba38\ub9ac\ub098 \ubb34\ub098\uc0ac\ubd80\uac00 \uc5c6\ub294 \uc804\uccb4 \ub098\uc0ac \uccb4\uacb0\uc7ac\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac\ubd09\uc774 \ucca0\uadfc\ub9cc\ud07c \uac15\ud55c\uac00\uc694?<\/strong>
\n\uc9c1\uc811 \ube44\uad50\ub294 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc6a9\ub3c4\uac00 \ub2e4\ub974\uac8c \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 1\/2\u2033 \uc9c1\uacbd ASTM F1554 Gr.105 \ub098\uc0ac\ubd09\uc758 \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4\ub294 \uc57d 125 ksi\ub85c, A615 Gr.60 \ucca0\uadfc(\ucd5c\uc18c 90 ksi)\ubcf4\ub2e4 \ub192\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ucf58\ud06c\ub9ac\ud2b8 \uc801\uc6a9\uc5d0\uc11c \ucca0\uadfc\uc758 \uac15\ub3c4\ub294 \uc778\uc7a5\ub825\ubfd0 \uc544\ub2c8\ub77c \uacb0\ud569 \ud45c\uba74\uc801\uc5d0\uc11c \ub098\uc624\uba70, \ub098\uc0ac\ubd09\uc740 \ucf58\ud06c\ub9ac\ud2b8\uc640\uc758 \uacb0\ud569\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \ub098\uc0ac\ubd09\uc744 \ucca0\uadfc \ub300\uccb4\ub85c \uc0ac\uc6a9\ud558\uac70\ub098 \uadf8 \ubc18\ub300\ub85c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \ubc18\ub4dc\uc2dc \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uc2b9\uc778\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac \ucca0\uadfc\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong>
\n\ub098\uc0ac \ucca0\uadfc\uc740 \uae30\uacc4\uc801 \ucee4\ud50c\ub7ec \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ud558\uae30 \uc704\ud574 \ub05d\ub2e8\uc5d0 \ud45c\uc900 \ub098\uc0ac\uc0b0\uc774 \uac00\uacf5 \ub610\ub294 \uc555\uc5f0\ub41c \ubcf4\uac15 \ucca0\uadfc\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \ucca0\uadfc \uc81c\ud488\uc774\uc9c0, \ub098\uc0ac\ubd09 \uc81c\ud488\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub098\uc0ac\uc0b0 \ub355\ubd84\uc5d0 \ucca0\uadfc \uad6c\uac04\uc744 \ub098\uc0ac \ucee4\ud50c\ub7ec \uc2ac\ub9ac\ube0c\ub85c \ub05d\uacfc \ub05d\uc744 \uc5f0\uacb0\ud560 \uc218 \uc788\uc5b4, \ubcf5\uc7a1\ud55c \ubcf4\uac15 \uad6c\uc5ed\uc5d0\uc11c \uacb9\uce68 \uc774\uc74c\uc774 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub098\uc0ac\ubd09\uc758 \ud45c\uc900 \ub098\uc0ac \ud53c\uce58\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong>
\n\ub300\ud55c\ubbfc\uad6d\uc5d0\uc11c\ub294 UNC(\uc720\ub2c8\ud30c\uc774\ub4dc \ucf54\uc2a4 \ub098\uc0ac)\uac00 \uae30\ubcf8\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uaddc\uaca9\uacfc \ud53c\uce58: 3\/8\u2033-16(\uc778\uce58\ub2f9 16\uc0b0), 1\/2\u2033-13, 5\/8\u2033-11, 3\/4\u2033-10, 1\u2033-8. \ubbf8\ud130\ubc95 \ub4f1\uac00: M10\u00d71.5, M12\u00d71.75, M16\u00d72, M20\u00d72.5. \uc8fc\ubb38 \uc804 \ubc18\ub4dc\uc2dc \ub098\uc0ac \ud53c\uce58 \uaddc\uaca9\uc744 \ud655\uc778\ud574\uc57c \ud558\uba70, UNF(\ubbf8\uc138 \ub098\uc0ac) \ubd09\uc740 UNC\uc640 \uc678\uad00\uc774 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n

\ud604\uc7a5\uc5d0\uc11c \ub098\uc0ac\ubd09\uc744 \uc5bc\ub9c8\ub098 \uae38\uac8c \uc808\ub2e8\ud560 \uc218 \uc788\ub098\uc694?<\/strong>
\n\ucf54\ub4dc\ub85c \uc815\ud574\uc9c4 \ucd5c\ub300 \ud604\uc7a5 \uc808\ub2e8 \uae38\uc774\ub294 \uc5c6\uc73c\ub098, \uad6c\uc870\uc801 \uc694\uc778\uc73c\ub85c \uc2e4\uc9c8\uc801\uc778 \uae38\uc774\uc5d0 \uc81c\ud55c\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc555\ucd95 \ud558\uc911\uc744 \ubc1b\ub294 \uc9c0\uc9c0\ub418\uc9c0 \uc54a\uc740 \ub098\uc0ac\ubd09\uc740 \uc778\uc7a5 \ub4f1\uae09\ubcf4\ub2e4 \ud6e8\uc52c \uc9e7\uc740 \uae38\uc774\uc5d0\uc11c \uc88c\uad74\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ud589\uac70\uc6a9 1\/2\u2033 \ub098\uc0ac\ubd09\uc758 \ucd5c\ub300 \uad8c\uc7a5 \ubb34\uc9c0\uc9c0 \uae38\uc774\ub294 \uc57d 6\ud53c\ud2b8\uc774\uba70, \uadf8 \uc774\uc0c1\uc740 \uc2ac\ub80c\ub354\ub2c8\uc2a4 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub354 \uae34 \uad6c\uac04\uc5d0\ub294 \uce21\uba74 \uc9c0\uc9c0\ub300\ub098 \ub354 \ud070 \uc9c1\uacbd\uc758 \ubd09\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

B7 \ub098\uc0ac\ubd09\uc5d0\ub294 \uc5b4\ub5a4 \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/strong>
\nASTM A194 Grade 2H \uc911\ud615 \uc721\uac01 \ub108\ud2b8\ub294 \uc555\ub825 \uc720\uc9c0\uc6a9 B7 \ub098\uc0ac\ubd09\uacfc \ud45c\uc900\uc801\uc73c\ub85c \uc9dd\uc744 \uc774\ub8e8\ub294 \uc81c\ud488\uc785\ub2c8\ub2e4. 2H \ub4f1\uae09\uc740 \ub108\ud2b8\uc758 \uc778\uc7a5 \ud558\uc911\uc774 B7 \ubd09\uc758 \uc778\uc7a5 \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec, \ubd09\uc774 \uba3c\uc800 \ud56d\ubcf5\ud558\uace0 \ub108\ud2b8\uac00 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc555\ub825 \ubc30\uad00 \uc801\uc6a9\uc5d0\uc11c B7 \ubd09\uc5d0 \ud45c\uc900 A563 Grade A \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uaddc\uc815 \uc704\ubc18\uc785\ub2c8\ub2e4.<\/p>\n

\"\ub098\uc0ac\ubd09<\/p>\n

\n

\uacb0\ub860<\/h2>\n

\ub098\uc0ac\ubd09\uc740 \uac89\ubcf4\uae30\uc5d0\ub294 \ub2e8\uc21c\ud55c \ub098\uc0ac\uc0b0\uc774 \uc788\ub294 \ub9c9\ub300\uc774\uc9c0\ub9cc, \uc548\uc804\ud558\uac8c \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\ub294\uc9c0 \uacb0\uc815\ud558\ub294 \uc120\ud0dd \ubcc0\uc218\ub294 \uc7ac\ub8cc \ud654\ud559, \ub4f1\uae09 \uc9c0\uc815, \ub098\uc0ac\uc0b0 \ud615\uc0c1, \ud658\uacbd \ub178\ucd9c \ub4f1 \ub2e4\uc591\ud569\ub2c8\ub2e4. \uc774 \ud0a4\uc6cc\ub4dc\ub85c \uad6c\uae00 \uccab \ud398\uc774\uc9c0\ub97c \uc7a5\uc545\ud558\ub294 \uc18c\ub9e4 \uce74\ud14c\uace0\ub9ac \ud398\uc774\uc9c0\ub4e4\uc740 \ud074\ub9ad\ud558\ub294 \uc5b4\ub5a4 \ub098\uc0ac\ubd09\uc774\ub4e0 \ud310\ub9e4\ud558\uc9c0\ub9cc, B7\uacfc A307\uc774 \ud638\ud658\ub418\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc810, HDG \ubd09\uc5d0\ub294 \ubc18\ub4dc\uc2dc HDG \ub108\ud2b8\uac00 \ud544\uc694\ud558\ub2e4\ub294 \uc810, F1554 Gr.36\uacfc Gr.105\uac00 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub978 \uad6c\uc870\uc801 \uc694\uad6c\uc5d0 \uc874\uc7ac\ud55c\ub2e4\ub294 \uc810\uc740 \uc54c\ub824\uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2e4\uc9c8\uc801\uc778 \ub2e4\uc74c \ub2e8\uacc4\ub294: \uc801\uc6a9 \ud658\uacbd(\uc2e4\ub0b4\/\uc2e4\uc678\/\ud654\ud559\/\uace0\uc628)\uc744 \ud30c\uc545\ud558\uace0, \ud544\uc694\ud55c \uc778\uc7a5 \ud558\uc911\uc744 \uacb0\uc815\ud55c \ud6c4 \ucf54\ub4dc\uc5d0 \ub9de\ub294 \uc548\uc804 \uacc4\uc218\ub97c \uc801\uc6a9\ud558\uba70, \uadf8 \ud558\uc911\uc5d0 \ub9de\ub294 \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\uace0, \uacb0\ud569\ub418\ub294 \ud558\ub4dc\uc6e8\uc5b4\uc640 \ub098\uc0ac\uc0b0 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uad6c\uc870\uc6a9 \uc575\ucee4 \ubcfc\ud2b8 \uc801\uc6a9(\uae30\ub465 \ubca0\uc774\uc2a4, \uc7a5\ube44 \ud504\ub808\uc784, \uac15\uc7ac\uc5d0\uc11c \ucf58\ud06c\ub9ac\ud2b8\ub85c\uc758 \ud558\uc911 \uacbd\ub85c \ub4f1)\uc5d0\uc11c\ub294 \ubc18\ub4dc\uc2dc \uad6c\uc870 \uc5d4\uc9c0\ub2c8\uc5b4 \ub3c4\uba74\uc758 \uc0ac\uc591\uc744 \uadf8\ub300\ub85c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4. F1554 \ub4f1\uae09 \uc9c0\uc815\uacfc \ub9e4\uc785 \uae4a\uc774\ub294 \uc81c\uc548\uc774 \uc544\ub2c8\ub77c \ud544\uc218\uc785\ub2c8\ub2e4.<\/p>\n

\ud2b9\uc815 \ub4f1\uae09 \ubc0f \uc0ac\uc774\uc988\uc758 \uc870\ub2ec \ubc0f \uae30\uc220 \ubb38\uc758\ub294 productionscrews.com<\/a> \uc804 \ub4f1\uae09 \ubc94\uc704\uc758 \ub098\uc0ac\ubd09\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc73c\uba70, \uc694\uccad \uc2dc \uc778\uc99d\ub41c \uacf5\uc7a5 \uc2dc\ud5d8 \uc131\uc801\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\n

\uc774 \uae30\uc0ac\uc5d0\uc11c \ucc38\uace0\ud55c \ucd9c\ucc98:<\/em>
\n– \ub098\uc0ac\ubd09 \u2014 \uc704\ud0a4\ubc31\uacfc<\/a>
\n\u2013 ASTM \uad6d\uc81c: ASTM F1554(\uc575\ucee4 \ubcfc\ud2b8), ASTM A193(B7 \ud569\uae08 \uc2a4\ud130\ub4dc \ubcfc\ud2b8), ASTM A307(\ud0c4\uc18c\uac15 \ubcfc\ud2b8)
\n\u2013 ASME B1.1 \u2014 \ud1b5\uc77c \uc778\uce58 \ub098\uc0ac\uc0b0 \ud45c\uc900<\/p>","protected":false},"excerpt":{"rendered":"

\ub098\uc0ac\ubd09\uc5d0 \ub300\ud55c \uc644\ubcbd\ud55c \uac00\uc774\ub4dc \u2014 \uc62c\uc2a4\ub808\ub4dc \ub85c\ub4dc \uc885\ub958, ASTM \ub4f1\uae09(A307, F1554, B7), \uc7ac\uc9c8(\uc2a4\ud14c\uc778\ub9ac\uc2a4, \uc544\uc5f0\ub3c4\uae08, \ud0c4\uc18c\uac15), \ud558\uc911 \uc6a9\ub7c9, \uac74\uc124, \uc0b0\uc5c5, \uae30\uacc4 \uace0\uc815\uc6a9 \ub4f1 \uc6a9\ub3c4\ubcc4 \uc120\ud0dd \ubc29\ubc95\uc744 \ubaa8\ub450 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":3686,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3690","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\/3690","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=3690"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/3690\/revisions"}],"predecessor-version":[{"id":3691,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/3690\/revisions\/3691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media\/3686"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media?parent=3690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/categories?post=3690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/tags?post=3690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}