{"id":197,"date":"2024-12-04T12:04:27","date_gmt":"2024-12-04T12:04:27","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=197"},"modified":"2024-12-04T12:04:27","modified_gmt":"2024-12-04T12:04:27","slug":"asme-b31-3-%ec%9a%a9%ec%a0%91-%ed%9b%84-%ec%97%b4%ec%b2%98%eb%a6%ac-%ec%9a%94%ea%b1%b4","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/ko\/asme-b31-3-post-weld-heat-treatment-requirements\/","title":{"rendered":"ASME B31.3 \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac \uc694\uac74"},"content":{"rendered":"

ASME B31.3\ub294 \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \ud654\ud559\ubb3c\uc9c8, \uc11d\uc720 \ub610\ub294 \uac00\uc2a4\ub97c \uc218\uc1a1\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uacf5\uc815 \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4, \uc2dc\uacf5, \uac80\uc0ac \ubc0f \uc720\uc9c0\ubcf4\uc218\ub97c \uaddc\uc815\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ubcf4\uc77c\ub7ec\ub098 \uc5f4\uad50\ud658\uae30\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT)\ub294 \uc6a9\uc811\ub41c \uac15\ucca0 \ubd80\ud488\uc5d0\uc11c \ucde8\uc131 \ud30c\ub2e8\uc774 \ubc1c\uc0dd\ud560 \uac00\ub2a5\uc131\uc744 \uc904\uc5ec\uc8fc\uba70, \uc81c331.1.1\uc870 \ubc0f \ud45c 331.1.1\uc5d0 \uba85\uc2dc\ub41c \ubc14\uc640 \uac19\uc774 \ud544\uc218\uc801\uc73c\ub85c \uc218\ud589\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc6a9\uc811 \uc808\ucc28<\/h2>\n

\ud30c\uc774\ud504 \uc6a9\uc811\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uacf5\uc815\uc740 \ub2e4\uc591\ud55c \uaddc\uc815\uc758 \uc801\uc6a9\uc744 \ubc1b\uc73c\uba70, \uc774\ub7ec\ud55c \uaddc\uc815\uc740 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uacf5\uc815\uc758 \uc124\uacc4\ub97c \uaddc\uc815\ud569\ub2c8\ub2e4. \uacf5\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc2b9\uc778\uc744 \uc704\ud574 \uc81c\ucd9c\ud55c \uac01 \uacf5\uc815\uc740 \ud544\uc694\ud55c \ubaa8\ub4e0 \uae30\uc900\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud3c9\uac00\ud558\uae30 \uc704\ud574 \uac80\ud1a0\ub97c \uac70\uccd0\uc57c \ud569\ub2c8\ub2e4. \uacf5\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc804\ubb38\uc801\uc778 \ud310\ub2e8\uc744 \ubc14\ud0d5\uc73c\ub85c \ud574\ub2f9 \uacf5\uc815\uc774 \uc2e4\uc81c \uc6a9\uc811 \uc791\uc5c5 \ud604\uc7a5\uc5d0\uc11c \ud6a8\uacfc\uc801\uc73c\ub85c \uc801\uc6a9\ub420 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc6a9\uc811 \uc808\ucc28\uc11c\ub294 \uc6a9\uc811 \uc791\uc5c5 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc6a9\uc811\uacf5\uc5d0\uac8c \uc9c0\uce68\uc744 \uc81c\uacf5\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\ub294 \uc6a9\uc811 \uacf5\uc815, \ud544\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218 \ubc0f \uc6a9\uc811 \ub300\uc0c1 \uc774\uc74c\ubd80\uc758 \uad6c\uccb4\uc801\uc778 \ud2b9\uc131\uc774 \uae30\uc220\ub418\uc5b4 \uc788\uc73c\uba70, \uc6a9\uc811 \uc791\uc5c5\uc744 \ud1b5\ud574 \uace0\ud488\uc9c8\uc758 \uc6a9\uc811\ubd80\ub97c \ud655\ubcf4\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \ubb38\uc11c\uc785\ub2c8\ub2e4. \uc774 \uc808\ucc28\uc11c\ub294 \uc808\ucc28 \uc0ac\uc591\uc11c \ubc0f \uc6a9\uc811 \uc790\uaca9 \uae30\ub85d(WPQR)\uacfc \ud568\uaed8 \uace0\ud488\uc9c8 \uc6a9\uc811 \uc774\uc74c\ubd80\ub97c \ud655\ubcf4\ud558\uae30 \uc704\ud55c \ucd08\uc11d\uc744 \uc774\ub8f9\ub2c8\ub2e4.<\/p>\n

PWHT\ub294 \ud30c\uc774\ud504\ub97c \uc870\uc808 \uac00\ub2a5\ud55c \uc628\ub3c4\uc5d0\uc11c \uc784\uc758\uc758 \uc2dc\uac04 \ub3d9\uc548 \uac00\uc5f4\ud558\ub294 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc815\ud655\ud55c \uc2dc\uac04\uacfc \uc628\ub3c4\ub294 \ud30c\uc774\ud504\uc758 \uc7ac\uc9c8\uacfc \ub450\uaed8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc, \ub0c9\uac01\uc5d0 \ub4e4\uc5b4\uac00\uae30 \uc804\uc5d0 \ub0c9\uac01 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uacfc\ub3c4\ud55c \uc5f4 \uc190\uc2e4\ub85c\ubd80\ud130 \uc6a9\uc811\ubd80\ub97c \ubcf4\ud638\ud558\uae30 \uc704\ud574 \ub2e8\uc5f4 \ucc98\ub9ac\ub97c \ubc18\ub4dc\uc2dc \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

WPQR\uc5d0\ub294 \ubaa8\ub4e0 \uc6a9\uc811\ubd80\uc5d0 \ub300\ud55c \uc815\ubcf4, \uc989 \uc6a9\uc811 \ubc88\ud638, \uc704\uce58, \ud648 \uc720\ud615 \ubc0f \uc804\uadf9 \uc720\ud615\uc740 \ubb3c\ub860, \uc6a9\uc811 \uc2dc \uc0ac\uc6a9\ub41c \ubaa8\ub4e0 \uc7ac\ub8cc \uc720\ud615\uc5d0 \ub300\ud55c \uc644\uc804\ud55c \uc7ac\ub8cc \uc0ac\uc591 \ubc0f \ub4f1\uae09 \uc138\ubd80 \uc0ac\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c, \uad00\ub828 \uaddc\uaca9\uc5d0 \ub530\ub77c \uc608\uc5f4 \uc628\ub3c4 \ubc0f \ud328\uc2a4 \uac04 \uc628\ub3c4\ub3c4 \uba85\uc2dc\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc628\ub3c4<\/h2>\n

\uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT)\ub294 \uc6a9\uc811 \uacfc\uc815\uc5d0\uc11c \uc811\ud569\ub41c \uc7ac\ub8cc\ub97c \ud558\ud55c \uc784\uacc4 \uc0c1\ubcc0\ud0dc \uc628\ub3c4 \uc774\ud558\ub85c \uac00\uc5f4\ud55c \ud6c4, \uc9c0\uc815\ub41c \uc2dc\uac04 \ub3d9\uc548 \uadf8 \uc628\ub3c4\ub97c \uc720\uc9c0\ud558\ub294 \uc81c\uc5b4\ub41c \uacf5\uc815\uc785\ub2c8\ub2e4. PWHT\ub294 \uc794\ub958 \uc751\ub825\uc744 \uc81c\uac70\ud558\uace0 \ubbf8\uc138\uad6c\uc870 \ubcc0\ud654\ub97c \uc644\ud654\ud558\ub294 \uc5ed\ud560\uc744 \ud558\uba70, ASME \uc81c8\ud3b8 \uc81c1\ubd80(Section VIII Div. 1)\ub97c \ube44\ub86f\ud55c \ub300\ubd80\ubd84\uc758 \uaddc\uaca9\uc5d0\uc11c \uc774\ub97c \uc694\uad6c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uaddc\uaca9\uc5d0 \ub530\ub77c \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc0c1\ub2f9\ud55c \ucc28\uc774\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uaddc\uaca9 \uac04 \uc694\uad6c \uc0ac\ud56d\uc758 \ucc28\uc774\ub294 \uc8fc\ub85c \uac01 \uaddc\uaca9\uc774 \ub2e4\ub8e8\ub294 \uc0ac\uc6a9 \uc870\uac74\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc0ac\uc18c\ud55c \ucc28\uc774\ub294 \ud070 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc9c0\ub9cc, \ud070 \ucc28\uc774\ub294 \uc7a0\uc7ac\uc801\uc73c\ub85c \uc2ec\uac01\ud55c \uc548\uc804 \ubb38\uc81c\ub97c \uc57c\uae30\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 1100degF\ub77c\ub294 \ubd80\uc801\uc808\ud55c PWHT \uc694\uad6c \uc0ac\ud56d\uc740 \uacbd\ub3c4\uc640 \uc778\uc131\uc758 \uc800\ud558\ub97c \ucd08\ub798\ud560 \uc218 \uc788\ub294 \ubc18\uba74, 1200degF\uc758 \uacbd\uc6b0 \uc720\uc0ac\ud55c \uacb0\uacfc\ub97c \ub0b3\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubc30\uad00 \uc2dc\uc2a4\ud15c\uc740 \uac00\ud639\ud55c \ud658\uacbd\uc801 \ubc0f \uc6b4\uc601\uc0c1\uc758 \uc751\ub825\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4. \uc548\uc804\uc131\uacfc \ud6a8\uc728\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc2dc\uacf5\uc0ac\ub294 \uc801\uc808\ud55c \uc790\uc7ac \uc120\uc815, \uc6a9\uc811 \uae30\uc220 \ubc0f \uac80\uc0ac \uad00\ud589\uc744 \ubc14\ud0d5\uc73c\ub85c \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud574\uc57c \ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uccb4\uacc4\uc801\uc778 \uac80\uc0ac\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. ASME B31.3 \ud45c\uc900\uc740 \uc774\ub7ec\ud55c \ubd80\ud558\ub97c \ud3c9\uac00\ud558\uace0 \ud544\uc694\ud55c \ubaa8\ub4e0 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud55c \uc774\uc0c1\uc801\uc778 \ud2c0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc2dc\uacf5\uc5c5\uccb4 \ubaa8\ub450 \uc774 \ud45c\uc900\uc744 \uc774\ud574\ud568\uc73c\ub85c\uc368, \ubaa8\ub4e0 \uad00\ub828 \uc548\uc804 \ud45c\uc900\uc744 \uc900\uc218\ud558\uba74\uc11c\ub3c4 \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub41c \ubcf4\ub2e4 \uc548\uc804\ud55c \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2dc\uac04<\/h2>\n

ASME B31.3\uc740 \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4, \uc2dc\uacf5, \uac80\uc0ac, \uc6b4\uc804, \uc2dc\ud5d8 \ubc0f \uc720\uc9c0\ubcf4\uc218\uc5d0 \ub300\ud55c \uc9c0\uce68\uc744 \uaddc\uc815\ud558\ub294 \uc0b0\uc5c5 \ud45c\uc900\uc785\ub2c8\ub2e4. \uc774 \uaddc\uc815\uc740 \ud574\ub2f9 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc548\uc804\ud558\uac8c \uc81c\uacf5\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \ud658\uacbd\uc801 \ubc0f \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uac16\ucd94\ub3c4\ub85d \ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4. \ub610\ud55c \uc2dc\uc2a4\ud15c \uad6c\ucd95 \uc2dc \uc0ac\uc6a9\ub418\ub294 \uc6a9\uc811 \uae30\uc220\uc5d0 \ub300\ud55c \uc0c1\uc138\ud55c \uc9c0\uce68\uacfc, \uc2dc\ud5d8 \ub610\ub294 \uc720\uc9c0\ubcf4\uc218 \uc2dc \uc218\ud589\ud574\uc57c \ud560 \uc2dc\ud5d8 \uc808\ucc28\ub97c \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n

ASME B31.3 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub824\uba74, \uc6d0\ud558\ub294 \ud488\uc9c8 \ubc0f \uc131\ub2a5 \uae30\uc900\uc744 \ucda9\uc871\ud558\uba74\uc11c \uc0ac\uace0\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud574 \uc548\uc804\uc5d0 \ub300\ud55c \ud5cc\uc2e0, \ucca0\uc800\ud55c \uacc4\ud68d \uc218\ub9bd, \uadf8\ub9ac\uace0 \uc0dd\uc0b0\uc758 \uac01 \ub2e8\uacc4\ubcc4 \ud488\uc9c8 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \ud2b9\ud788 \uc720\ud574 \ubb3c\uc9c8\uc774 \uad00\ub828\ub41c \uc0b0\uc5c5 \uacf5\uc815\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

ASME B31.3\uc740 \ubc1c\uc804\uc6a9 \ub610\ub294 \uacf5\uc815\uc6a9 \ubc30\uad00 \uc2dc\uc2a4\ud15c \uc124\uce58\uc5d0 \ud544\uc694\ud55c \uc694\uac74\uc744 \ucda9\uc871\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc904 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ubd80\uc801\uc808\ud558\uac8c \ucde8\uae09\ud560 \uacbd\uc6b0 \uc704\ud5d8\ud560 \uc218 \uc788\ub294 \uace0\uc555 \uc2dc\uc2a4\ud15c\uc744 \uc548\uc804\ud558\uac8c \ub2e4\ub8e8\ub294 \ubc29\ubc95\ub3c4 \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n

2014\ub144\ud310 ASME B31.3\uc740 \uc0c8\ub85c\uc6b4 PWHT \uc694\uac74\uc744 \ubc18\uc601\ud558\uace0, \uc6a9\uc811 \uc808\ucc28\ub97c \uba85\ud655\ud788 \ud558\uba70, \uae30\ubcf8 \ud5c8\uc6a9 \uc751\ub825\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uace0, \ub4f1\uc7ac\ub41c \uc7ac\ub8cc\ub97c \ucd94\uac00\ud558\uae30 \uc704\ud574 \uac1c\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc800\ud569\uae08\uac15\uc758 \uc6a9\uc811\ubd80\uc5d0\ub294 \uac01\uac01 1.5% \ud06c\ub86c(Cr) \ubc0f 0.5% \ubab0\ub9ac\ube0c\ub374(Mo)\uc744 \ucd08\uacfc\ud558\uc5ec \ud568\uc720\ud574\uc11c\ub294 \uc548 \ub418\uba70, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc6a9\uc811\ubd80\uc758 \uacbd\uc6b0 2.0% \ub2c8\ucf08(Ni)\uc744 \ucd08\uacfc\ud558\uc5ec \ud568\uc720\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\uacbd \uc0ac\ud56d\uc740 \ud574\ub2f9 \uac15\uc885\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ucde8\uc131 \ud30c\ub2e8 \uc704\ud5d8\uc744 \uc904\uc774\uae30 \uc704\ud574 \ub3c4\uc785\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \ud5a5\ud6c4 \uc774\uc640 \uc720\uc0ac\ud55c \uc131\uaca9\uc758 \ud504\ub85c\uc81d\ud2b8\ub97c \uc218\ud589\ud558\ub294 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc804\ub840 \uc5c6\ub294 \ubc1c\uc804\uc785\ub2c8\ub2e4.<\/p>\n

\uc790\ub8cc<\/h2>\n

\ud0c4\uc18c\uac15\uc758 \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT)\ub294 \uc6a9\uc811 \ubd80\uc704\uc758 \uc794\ub958 \uc751\ub825\uc744 \uc904\uc5ec\uc8fc\uc5b4 \ud658\uacbd \uc720\ubc1c \uade0\uc5f4\uc758 \uc704\ud5d8\uc744 \ud06c\uac8c \ub0ae\ucd94\ubbc0\ub85c, \ud0c4\uc18c\uac15 \uc870\ub9bd\uccb4\ub97c \uc6a9\uc811\ud560 \ub54c PWHT\ub294 \ud544\uc218\uc801\uc778 \uacf5\uc815\uc785\ub2c8\ub2e4. PWHT \uc694\uac74\uc740 \uaddc\uaca9 \ubc0f \uc7ac\ub8cc \uc720\ud615\uc5d0 \ub530\ub77c \ub2e4\ub974\uba70, \uc6a9\uc811 \ub450\uaed8\uac00 \ud45c 331.1.1\uc758 \ucd5c\ub300 \uc784\uacc4\uac12 \uc774\ub0b4\uc778 \uacbd\uc6b0 \uc77c\ubd80 \uc6a9\uc811\ubd80\uc5d0\ub294 PWHT\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

PWHT\ub294 \ud658\uacbd\uc801 \uc694\uc778\uc5d0 \uc758\ud55c \uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8\uc744 \uc904\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc778\uc131\uacfc \uac15\ub3c4\ub97c \ub192\uc5ec \uc6a9\uc811 \ubd80\uc704\uc758 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub294 \uac00\ud639\ud55c \ud658\uacbd \uc870\uac74\uc5d0 \ub178\ucd9c\ub418\ub294 \ubaa8\ub4e0 \ud30c\uc774\ud504\ub098 \uc555\ub825 \uc6a9\uae30\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \uacf5\uc815\uc785\ub2c8\ub2e4. \ub610\ud55c, \uc774 \uacf5\uc815\uc758 \uc801\uc6a9\uc740 \ube44\uad50\uc801 \uac04\ub2e8\ud558\uace0 \uacbd\uc81c\uc801\uc785\ub2c8\ub2e4.<\/p>\n

EPRI \ubcf4\uace0\uc11c(\ucc38\uace0\ubb38\ud5cc 1)\ub294 PWHT \uc628\ub3c4\ub97c \ub0ae\ucd9c \uac83\uc744 \uad8c\uace0\ud588\uc73c\ub098, \ud604\ud589 B31.1 \ubc0f B31.3 \uaddc\uaca9\uc5d0\uc11c\ub294 \uc774 \ubaa9\uc801\uc5d0 \ube44\ud574 \uc9c0\ub098\uce58\uac8c \ub192\uc740 \ucd5c\ub300 PWHT \uc628\ub3c4\ub97c \uaddc\uc815\ud558\uace0 \uc788\ub2e4. \uc774\ub97c P No. 4 \uc7ac\ub8cc\uc758 \ud558\ud55c \uc784\uacc4 \uc628\ub3c4 \uc774\ud558\ub85c \ub0ae\ucda4\uc73c\ub85c\uc368 \ucd94\uac00\uc801\uc778 \uc548\uc804 \uc5ec\uc720\ub97c \ud655\ubcf4\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n

\ubc30\uad00 \ubc0f \uc555\ub825 \uc6a9\uae30\uc5d0 \ub300\ud55c PWHT \uc694\uac74\uc740 \ud574\ub2f9 \uaddc\uc815 \ubc0f \ud45c\uc900\uc5d0 \ub530\ub77c \uacb0\uc815\ub418\uba70, \uc774\ub7ec\ud55c \uaddc\uc815 \ubc0f \ud45c\uc900\uc740 \uc77c\ubc18\uc801\uc73c\ub85c ASNT \uc911\uc559 \uc778\uc99d \ud504\ub85c\uadf8\ub7a8(ACCP)\uacfc \uac19\uc740 \uad6d\uac00\uc801 \ub610\ub294 \uad6d\uc81c\uc801 \uc911\uc559 \uc778\uc99d \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ud30c\uc0dd\ub41c \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub85c\uadf8\ub7a8\uc5d0 \ub530\ub77c \uc778\uc99d\uc744 \ubc1b\uae30 \uc704\ud574\uc11c\ub294 \ube44\ud30c\uad34 \uac80\uc0ac(NDT) \uae30\uc220\uc790\uac00 \ubc29\uc0ac\uc120\/\ube44\ubc29\uc0ac\uc120 \uac80\uc0ac, \uc790\ubd84 \uac80\uc0ac, \ucd08\uc74c\ud30c \uac80\uc0ac \ub610\ub294 \uc774\ub4e4\uc758 \uc870\ud569\uc744 \ud3ec\ud568\ud560 \uc218 \uc788\ub294 \uc885\ud569\uc801\uc778 \uc2dc\ud5d8\uc744 \uce58\ub7ec\uc57c \ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

ASME B31.3 covers the design, construction, inspection and maintenance of process piping systems used for transporting chemicals, oil or gas within industries. These piping systems may include boilers or heat exchangers. Post weld heat treatment (PWHT) reduces the likelihood of brittle fracture in welded steel components and is required as specified by Clause 331.1.1 and … <\/p>\n

Read more “ASME B31.3 Post Weld Heat Treatment Requirements”<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-197","post","type-post","status-publish","format-standard","hentry","category-pwht-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/posts\/197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/comments?post=197"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/posts\/197\/revisions"}],"predecessor-version":[{"id":198,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/posts\/197\/revisions\/198"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/media?parent=197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/categories?post=197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ko\/wp-json\/wp\/v2\/tags?post=197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}