{"id":4128,"date":"2026-05-11T10:21:43","date_gmt":"2026-05-11T09:21:43","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=4128"},"modified":"2026-05-11T10:21:50","modified_gmt":"2026-05-11T09:21:50","slug":"best-nickel-alloy-for-sour-gas-service","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ko\/best-nickel-alloy-for-sour-gas-service\/","title":{"rendered":"\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ucd5c\uace0\uc758 \ub2c8\ucf08 \ud569\uae08?"},"content":{"rendered":"

\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc740 \ud569\uae08 \uc774\ub984\ub9cc\uc73c\ub85c \ub2f5\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uc18d\ub3c4, \uc624\uc5fc, \uc628\ub3c4, \uc751\ub825, \uc81c\uc870 \uacbd\ub85c \ubc0f \uac80\uc0ac \ubd84\uc57c\uac00 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \ub3d9\uc77c\ud55c \ub2c8\ucf08 \ud569\uae08\uc774 \ud55c \ud50c\ub79c\ud2b8\uc5d0\uc11c\ub294 \uc798 \uc791\ub3d9\ud558\uc9c0\ub9cc \ub2e4\ub978 \ud50c\ub79c\ud2b8\uc5d0\uc11c\ub294 \uc2e4\ub9dd\uc2a4\ub7ec\uc6b4 \uc131\ub2a5\uc744 \ubcf4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 28Nickel\uc740 \ud569\uae08 \uc120\ud0dd\uc744 \ub2e8\uc21c\ud55c \uc81c\ud488 \ub9e4\uce6d\uc774 \uc544\ub2cc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\ud1a0\ub85c \ucde8\uae09\ud569\ub2c8\ub2e4.<\/p>\n

\ub2e8\uc21c\ud654\ub41c \ud45c\uc5d0\uc11c \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc744 \uc120\ud0dd\ud558\uba74 \uad6c\ub9e4\uc790\ub294 \uc778\uc99d\uc11c\uc5d0\ub294 \uc801\ud569\ud574 \ubcf4\uc774\uc9c0\ub9cc \uc2e4\uc81c \uace0\uc7a5 \ubaa8\ub4dc\uc5d0 \ucde8\uc57d\ud55c \uc18c\uc7ac\ub97c \ubc1b\uac8c \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uad6c\ub9e4\uc790\ub294 \uc8fc\ubb38\uc774 \uc0dd\uc0b0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc11c\ube44\uc2a4 \ud654\ud559, \ubd80\ud488 \ud615\uc0c1, \uc81c\uc870 \uacbd\ub85c, \ud14c\uc2a4\ud2b8 \ubc0f \ubb38\uc11c\ub97c \uc5f0\uacb0\ud558\ub294 \ud328\ud0a4\uc9c0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\"\uc0ac\uc6cc<\/p>\n

\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ucd5c\uace0\uc758 \ub2c8\ucf08 \ud569\uae08\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95<\/b><\/strong><\/h2>\n

\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub294 \ub2e8\uc21c\ud55c \ubd80\uc2dd \ubb38\uc81c\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc740 \ud669\ud654\uc218\uc18c \ubd84\uc555, \uc5fc\ud654\ubb3c \ud568\ub7c9, pH, \uc6d0\uc18c \ud669, \uc628\ub3c4, \uc555\ub825, \uc778\uc7a5 \uc751\ub825, \uacbd\ub3c4 \ubc0f \ud574\ub2f9 NACE MR0175\/ISO 15156 \ub610\ub294 \ud504\ub85c\uc81d\ud2b8 \ud45c\uc900\uc5d0 \ub300\ud574 \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \ud569\uae08 625\ub294 \uc0ac\uc6cc \uc624\uc77c \ubc0f \uac00\uc2a4 \uc7a5\ube44\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70, \ud569\uae08 825\ub294 \uc911\uac04 \uc815\ub3c4\uc758 \uac00\ud639\ud55c \ud658\uacbd\uc5d0 \uc801\ud569\ud560 \uc218 \uc788\uc73c\uba70, \uc0ac\uc6cc \uc11c\ube44\uc2a4\uac00 \uc2ec\uac01\ud55c \uc5fc\ud654\uc0b0 \uc624\uc5fc\uacfc \uacb0\ud569\ub41c \uacbd\uc6b0 C276\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud569\uae08 \ud3c9\ud310\ub9cc\uc73c\ub85c \ud6c4\ubcf4\ub97c \uacb0\uc815\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc11c\ube44\uc2a4 \ubc94\uc704\uac00 \ud6c4\ubcf4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n

\uacbd\ub3c4\uc640 \uc57c\uae08 \uc0c1\ud0dc\ub294 \uc885\uc885 \uc870\uc6a9\ud55c \uac8c\uc774\ud2b8\ud0a4\ud37c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc7ac\ub8cc\uc758 \ub0b4\uc2dd\uc131\uc774 \uc6b0\uc218\ud558\ub354\ub77c\ub3c4 \uc5f4\ucc98\ub9ac, \ub0c9\uac04 \uac00\uacf5 \ub610\ub294 \uc6a9\uc811 \uc808\ucc28\uc5d0\uc11c \ud5c8\uc6a9\ub418\uc9c0 \uc54a\ub294 \uacbd\ub3c4 \ub610\ub294 \ucde8\uc57d\ud55c \ubbf8\uc138 \uad6c\uc870\uac00 \ubc1c\uc0dd\ud558\uba74 \uac70\ubd80\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc740 \uacac\uc801 \uc804\uc5d0 \ubc30\uc1a1 \uc870\uac74, \uacbd\ub3c4 \uc81c\ud55c, \uc6a9\uc811 \uacbd\ub85c \ubc0f \uc6a9\uc811 \ud6c4 \uc694\uad6c \uc0ac\ud56d\uc744 \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \ubc14, \ub2e8\uc870 \ube14\ub85d\uc5d0 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4, \ud50c\ub79c\uc9c0<\/a>, \uc6a9\uc811 \uc624\ubc84\ub808\uc774, \ubc38\ube0c \ud2b8\ub9bc \ub4f1 \uac00\uacf5 \ubc0f \uc6a9\uc811\uc73c\ub85c \uad6d\ubd80\uc801 \ud2b9\uc131\uc774 \ubcc0\uacbd\ub420 \uc218 \uc788\ub294 \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

\uad6c\uc131 \uc694\uc18c \ud615\ud0dc\ub294 \uc704\ud5d8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud29c\ube0c, \ud30c\uc774\ud504, \ud50c\ub808\uc774\ud2b8, \ub2e8\uc870\ud488, \uc8fc\ubb3c \ubc0f \ud328\uc2a4\ub108<\/a> each carry different stress states and inspection concerns. Small fasteners can be more vulnerable than large pipe because of high strength and thread stress concentration. Valve trims may see erosive particles, pressure drop, and H2S exposure at the same time. If the buyer asks only for ‘NACE nickel alloy,’ the supplier cannot know whether the key issue is cracking, pitting, sulfide stress cracking, hydrogen embrittlement, or general corrosion.<\/p>\n\n\n\n\n\n\n\n\n
\uc120\ud0dd \uc694\uc18c<\/td>\n\uacf5\ud559\uc801 \uc774\uc720<\/td>\n28\ub2c8\ucf08\uc774 \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/td>\n<\/tr>\n
\ud569\uae08 625<\/td>\n\uc0ac\uc6cc \uc624\uc77c \ubc0f \uac00\uc2a4 \ubd80\ud488\uc744 \uc704\ud55c \uc77c\ubc18\uc801\uc778 \uace0\uc800\ud56d \uc120\ud0dd<\/td>\nNACE \uc0c1\ud0dc, \uacbd\ub3c4, \uc6a9\uc811 \uacbd\ub85c \ubc0f PMI<\/td>\n<\/tr>\n
\ud569\uae08 825<\/td>\n\uc120\ud0dd\ub41c \uc911\uac04 \uc815\ub3c4\uc758 \uc2e0\ub9db \ubc0f \uc0b0\uc131 \ud658\uacbd\uc5d0 \uc801\ud569\ud55c \ud6c4\ubcf4\uc790<\/td>\n\uc5fc\ud654\ubb3c \uc218\uc900, pH, \uc628\ub3c4 \ubc0f \ud504\ub85c\uc81d\ud2b8 \uc81c\ud55c<\/td>\n<\/tr>\n
C276<\/td>\n\uc2e0\ub9db\uc774 \ub098\ub294 \uac00\uc2a4\uac00 \uc5fc\ud654\uc0b0\uacfc \uacb0\ud569\ud558\uc5ec \uc2ec\uac01\ud55c \uc624\uc5fc\uc744 \uc77c\uc73c\ud0ac \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/td>\n\uc0b0\ud654\/\ud658\uc6d0 \uade0\ud615, \ube44\uc6a9 \ubc0f \uc81c\uc791 \uacbd\ub85c<\/td>\n<\/tr>\n
\uacbd\ub3c4 \uc81c\uc5b4<\/td>\n\uacbd\ub3c4\uac00 \ub192\uc73c\uba74 \uade0\uc5f4 \ubc1c\uc0dd \uac00\ub2a5\uc131\uc774 \ub192\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n\uc5f4\ucc98\ub9ac, \ub0c9\uac04 \uac00\uacf5, \uc6a9\uc811 HAZ \ubc0f \uae30\ub85d \uacbd\ub3c4<\/td>\n<\/tr>\n
\ucd94\uc801 \uac00\ub2a5\uc131<\/td>\n\uc18c\uc720\uc790 \uac80\ud1a0\ub294 \uc5f4-\uad6c\uc131 \uc694\uc18c \uc99d\uac70\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/td>\nMTC, \ud788\ud2b8 \ub9c8\ud06c, NACE \uba85\uc138\uc11c \ubc0f \uac80\uc0ac \ubcf4\uace0\uc11c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uc0ac\uc6cc \uac00\uc2a4 \ub2c8\ucf08 \ud569\uae08\uc5d0 \ub300\ud55c \uac80\uc0ac \uc99d\uac70<\/b><\/strong><\/h2>\n

\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ucd5c\uc0c1\uc758 \ub2c8\ucf08 \ud569\uae08\uc744 \uc704\ud574\uc11c\ub294 \uc7ac\ub8cc\ub97c \uc808\ub2e8\ud558\uac70\ub098 \ud3ec\uc7a5\ud558\uae30 \uc804\uc5d0 \uac80\uc0ac\ub97c \uc2dc\uc791\ud574\uc57c \ud569\ub2c8\ub2e4. \uac80\ud1a0\uc790\ub294 \ud569\uae08 \ub4f1\uae09, \uc5f4 \ubc88\ud638, \ubc30\uc1a1 \uc870\uac74, \uc81c\ud488 \ud615\ud0dc \ubc0f \uc11c\ube44\uc2a4 \uba54\ubaa8\ub97c \uad6c\ub9e4 \uc8fc\ubb38\uc11c\uc5d0 \uc5f0\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4. \uc778\uc99d\uc11c\ub9cc\uc73c\ub85c\ub294 \uc720\uc6a9\ud558\uc9c0\ub9cc \uc120\ud0dd\ud55c \uc7ac\ub8cc\uac00 \ud604\uc9c0 \ubd80\uc2dd \uba54\ucee4\ub2c8\uc998\uc5d0 \uc801\ud569\ud558\ub2e4\ub294 \uac83\uc744 \uc99d\uba85\ud558\uc9c0\ub294 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n

\ubb38\uc11c \ud328\ud0a4\uc9c0\uc5d0\ub294 \uc7ac\ub8cc \uc778\uc99d\uc11c, \ud654\ud559 \ubd84\uc11d, \uae30\uacc4\uc801 \ud2b9\uc131, \uc5f4\ucc98\ub9ac \uae30\ub85d, \uacbd\ub3c4 \ud310\ub3c5\uac12, \ud544\uc694\ud55c \uacbd\uc6b0 PMI, \uc9c0\uc815\ub41c \uc0ac\uc6cc \uc11c\ube44\uc2a4 \ud45c\uc900 \uc900\uc218\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \uc124\uba85\uc774 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc740 \ud2b9\ud788 \ud55c \ubc88\uc758 \uc5f4\ub85c \uc5ec\ub7ec \ud06c\uae30\ub97c \uc808\ub2e8\ud558\uac70\ub098 \ud0c4\uc18c\uac15 \uae30\ud310\uc5d0 \uc6a9\uc811 \uc624\ubc84\ub808\uc774\ub97c \uc801\uc6a9\ud560 \ub54c \uc5f4\uc5d0\uc11c \ubd80\ud488\uae4c\uc9c0 \ucd94\uc801\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc0ac\uc6cc \uac00\uc2a4 \ubb38\uc758\uc5d0 \uacf5\uc815 \ub370\uc774\ud130\uac00 \ubd80\uc871\ud558\uba74 \uc9c4\uc9c0\ud55c \uacf5\uae09\uc5c5\uccb4\ub294 \uc911\ub2e8\ud560 \uac83\uc785\ub2c8\ub2e4. \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ucd5c\uace0\uc758 \ub2c8\ucf08 \ud569\uae08\uc740 H2S, \uc5fc\ud654\ubb3c, pH, \uc628\ub3c4, \uc751\ub825, \uacbd\ub3c4 \ubc0f \uc81c\uc870 \uacbd\ub85c\uc640 \uc5f0\uacc4\ub41c \uc120\ud0dd\uc774 \uc774\ub8e8\uc5b4\uc9c8 \ub54c\ub9cc \ubc29\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 28\ub2c8\ucf08\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc0f \uc870\ub2ec \ud300\uc774 \uc774\ub7ec\ud55c \uc11c\ube44\uc2a4 \uc138\ubd80 \uc815\ubcf4\ub97c \uac80\uc0ac \uac00\ub2a5\ud558\uace0 \uc778\uc99d \uac00\ub2a5\ud558\uba70 \uc81c\uc870\uc5d0 \uc2e4\uc6a9\uc801\uc778 \uc7ac\ub8cc \ud328\ud0a4\uc9c0\ub85c \ubcc0\ud658\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\"\uc0ac\uc6cc<\/p>\n

\uacb0\ub860<\/b><\/strong><\/h2>\n

\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ucd5c\uace0\uc758 \ub2c8\ucf08 \ud569\uae08\uc5d0 \ub300\ud55c \uc815\ub2f5\uc740 \uc2ac\ub85c\uac74\uc774 \uc544\ub2c8\ub77c \uc2e0\uc911\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4. \uad6c\ub9e4\uc790\ub294 \ud654\ud559, \uc628\ub3c4, \ubd88\uc21c\ubb3c, \uc751\ub825 \uc0c1\ud0dc, \uc81c\ud488 \ud615\ud0dc, \uc6a9\uc811 \ub610\ub294 \uac00\uacf5 \uacbd\ub85c, \uac80\uc0ac \ubc94\uc704 \ubc0f \uc778\uc99d \uc694\uad6c \uc0ac\ud56d\uc744 \ud568\uaed8 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc138\ubd80 \uc0ac\ud56d\uc774 \uba85\ud655\ud560 \uacbd\uc6b0 28Nickel\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2c8\ucf08 \ud569\uae08 \uc18c\uc7ac<\/a> \uc2b9\uc778\ud558\uae30 \uc27d\uace0, \uac80\uc0ac\ud558\uae30 \uc26c\uc6b0\uba70, \uae4c\ub2e4\ub85c\uc6b4 \uc11c\ube44\uc2a4\uc5d0 \uc548\uc804\ud558\uac8c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uad00\ub828 Q&A<\/b><\/strong><\/h2>\n

Q1: Alloy 625\ub294 \ud56d\uc0c1 \uac00\uc7a5 \uc548\uc804\ud55c \uc0ac\uc6cc \uac00\uc2a4\uc778\uac00\uc694?<\/strong><\/p>\n

\ud569\uae08 625\uac00 \ub110\ub9ac \uc0ac\uc6a9\ub418\uc9c0\ub9cc, \uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2c8\ucf08 \ud569\uae08\uc740 \uc815\ud655\ud55c H2S, \uc5fc\ud654\ubb3c, pH, \uc628\ub3c4, \uc751\ub825 \ubc0f \ud45c\uc900 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n

Q2: \uc2e0\ub9db\uc774 \ub098\ub294 \uc11c\ube44\uc2a4\uc5d0\uc11c \uacbd\ub3c4\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><\/p>\n

\uacbd\ub3c4\ub294 \uc2e0\ub9db\uc774 \ub098\ub294 \uc870\uac74\uc5d0\uc11c \uade0\uc5f4\uc5d0 \ub300\ud55c \ucde8\uc57d\uc131\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac, \ub0c9\uac04 \uac00\uacf5 \ubc0f \uc6a9\uc811\uc740 \ubd80\ud488\uc774 \ud544\uc694\ud55c \uc11c\ube44\uc2a4 \ud55c\ub3c4 \ub0b4\uc5d0\uc11c \uc720\uc9c0\ub418\ub3c4\ub85d \uc81c\uc5b4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

Q3: \uc0ac\uc6cc \uac00\uc2a4 \uacac\uc801\uc744 \ubc1b\uc73c\ub824\uba74 \uc5b4\ub5a4 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud574\uc57c \ud558\ub098\uc694?<\/strong><\/p>\n

H2S \ubd84\uc555, \uc5fc\ud654\ubb3c \uc218\uc900, pH, \uc628\ub3c4, \uc555\ub825, \ubd80\ud488 \uc720\ud615, \ud544\uc694\ud55c \ud45c\uc900, \uacbd\ub3c4 \uc81c\ud55c, \uc6a9\uc811 \uacbd\ub85c \ubc0f \uac80\uc0ac \ubc94\uc704\ub97c \uc81c\uacf5\ud558\uc138\uc694.<\/p>","protected":false},"excerpt":{"rendered":"

Best nickel alloy for sour gas service is not a question that should be answered by alloy name alone. In real projects, the same nickel alloy can perform well in one plant and disappoint in another because velocity, contamination, temperature, stress, fabrication route, and inspection discipline are different. 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In real projects, the same nickel alloy can perform well in one plant and disappoint in another because velocity, contamination, temperature, stress, fabrication route, and inspection discipline are different. 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