{"id":3381,"date":"2025-07-25T02:07:02","date_gmt":"2025-07-25T02:07:02","guid":{"rendered":"https:\/\/hfittings.com\/seamless-steel-pipe-vs-welded-key-differences-explained\/"},"modified":"2025-07-25T02:07:02","modified_gmt":"2025-07-25T02:07:02","slug":"seamless-steel-pipe-vs-welded-key-differences-explained","status":"publish","type":"post","link":"https:\/\/hfittings.com\/ko\/seamless-steel-pipe-vs-welded-key-differences-explained\/","title":{"rendered":"\uc2ec\ub9ac\uc2a4 \uac15\uad00: \uc8fc\uc694 \ucc28\uc774\uc810 \uc124\uba85"},"content":{"rendered":"<p><figure loading=\"lazy\" class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/hfittings.com\/wp-content\/uploads\/2025\/07\/9856be77-4671-4325-a4aa-2e8a4264df37.png\" alt=\"\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00\uacfc \uc6a9\uc811 \uac15\uad00\" style=\"display: block; margin-block: 10px;\"><\/figure>\n<\/p>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n<ul>\n<li><strong>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00<\/strong> \uc740 \uc911\uacf5 \ube4c\ub81b\uc73c\ub85c \uc81c\uc791\ub418\uba70 \uc774\uc74c\uc0c8\uac00 \uc5c6\uc5b4 \uace0\uc555\ub825 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc77c\uad00\ub41c \ub0b4\uc555\uc131\uacfc \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc6a9\uc811 \uac15\uad00<\/strong> \ucf54\uc77c\ud615 \uac15\ucca0 \uc2a4\ud2b8\ub9bd\uc758 \uac00\uc7a5\uc790\ub9ac\ub97c \uc6a9\uc811\ud558\uc5ec \ud615\uc131\ub418\ubbc0\ub85c \uc774\uc74c\uc0c8\uac00 \ub208\uc5d0 \ub744\uc9c0\ub9cc \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud55c \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc0dd\uc0b0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubcbd \ub450\uaed8<\/strong> \uc774\uc74c\ub9e4 \uc5c6\ub294 \ubc30\uad00\uc758 \ub450\uaed8\ub294 \ub2e4\uc591\ud560 \uc218 \uc788\uc9c0\ub9cc \uc6a9\uc811\ub41c \uac15\uad00\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \uc77c\uc815\ud55c \ub450\uaed8\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub2e4\uc74c \uc911 \uc120\ud0dd <strong>\uae30\uacc4\uc2dd \ud29c\ube0c<\/strong> \uadf8\ub9ac\uace0 \uad6c\uc870\uc801 \uc801\uc6a9\uc740 \uc885\uc885 \uac15\ub3c4, \uc815\ubc00\ub3c4, \ube44\uc6a9\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ub450 \uc720\ud615 \ubaa8\ub450 \uc11d\uc720 \ubc0f \uac00\uc2a4, \uc81c\uc57d, \ubc1c\uc804 \ub4f1 \ud575\uc2ec \uc0b0\uc5c5\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. <strong>\uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ud30c\uc774\ud504<\/strong>.<\/li>\n<\/ul>\n<h2>\uc18c\uac1c<\/h2>\n<p>\uc774\uc74c\ub9e4\uc5c6\ub294 \uac15\uad00\uacfc \uc6a9\uc811 \uac15\uad00\uc758 \ucc28\uc774\uc810\uc744 \uc54c\uba74 \uc791\uc5c5\uc5d0 \uc801\ud569\ud55c \ubc30\uad00\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc2ec\ub9ac\uc2a4 \ud30c\uc774\ud504\ub294 \uc18d\uc774 \ube48 \ube4c\ub9bf\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \uc774 \ud30c\uc774\ud504\ub294 \ud2bc\ud2bc\ud558\uba70 \uace0\uc555\uc774 \uc788\ub294 \uacf3\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\uc74c\uc0c8\uac00 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uac70\uce5c \uacf3\uc5d0\uc11c \uc2e0\ub8b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc6a9\uc811 \ud30c\uc774\ud504\ub294 \ube44\uc6a9\uc774 \uc800\ub834\ud558\uace0 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc5ed\uc2dc \ub2e4\uc591\ud55c \ud658\uacbd\uc5d0\uc11c \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8\uc774\ub098 B\ub4f1\uae09 \uc791\uc5c5\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uc774\ub7ec\ud55c \uae30\ubcf8\uc801\uc778 \uc0ac\uc2e4\uc744 \uc54c\uace0 \uc788\uc73c\uba74 \ucd5c\uc0c1\uc758 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc885\ub958\uc758 \ubc30\uad00\uc744 \uc0ac\uc6a9\ud558\uba74 \ud798\ub4e0 \uc791\uc5c5\uc5d0\uc11c\ub3c4 \uc218\ub144 \ub3d9\uc548 \ud30c\uc774\ud504 \uc2dc\uc2a4\ud15c\uc774 \uc798 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc2ec\ub9ac\uc2a4 \ubc0f \uc6a9\uc811 \uac15\uad00 \uac1c\uc694<\/h2>\n<p><figure loading=\"lazy\" class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/hfittings.com\/wp-content\/uploads\/2025\/07\/00340a6c-e67b-4347-ac45-06849c15f3d1.png\" alt=\"\uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504\uc640 \uc6a9\uc811 \ud30c\uc774\ud504 \ube44\uad50\" style=\"display: block; margin-block: 10px;\"><\/figure>\n<p> \uac15\uad00 \uc0b0\uc5c5\uc740 \ud06c\uac8c \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4: <strong>\uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504<\/strong> \uadf8\ub9ac\uace0 <strong>\uc6a9\uc811 \ud30c\uc774\ud504<\/strong>. \uc2ec\ub9ac\uc2a4 \ud30c\uc774\ud504\ub294 \ube4c\ub81b\uc744 \ub6ab\uc5b4 \ub9cc\ub4ed\ub2c8\ub2e4. \uac15\ub3c4\uac00 \uac15\ud558\uace0 \uace0\uc555\uc774 \ud544\uc694\ud55c \uacf3\uc774\ub098 \ub192\uc740 \ud5c8\uc6a9 \uc624\ucc28\uac00 \ud544\uc694\ud55c \uacf3\uc5d0\uc11c \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \ub192\uc740 \uc555\ub825\uc5d0\uc11c \uc720\uccb4\ub97c \uc774\ub3d9\ud558\ub294 \ub370 \uc801\ud569\ud569\ub2c8\ub2e4. \uc6a9\uc811 \uac15\uad00\uc740 \uac15\ud310\uc744 \uc555\uc5f0\ud558\uace0 \uc811\ud569\ud558\uc5ec \ub9cc\ub4ed\ub2c8\ub2e4. \ub354 \uc800\ub834\ud55c \uac83\uc744 \uc6d0\ud560 \ub54c \uc88b\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uc0ac\ub78c\ub4e4\uc740 \uc8fc\ub85c \uad6c\uc870\ubb3c\uc774 \ud544\uc694\ud558\uac70\ub098 \uc555\ub825\uc774 \uc801\ub2f9\ud560 \ub54c \uc6a9\uc811 \ud30c\uc774\ud504\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ud30c\uc774\ud504\ub294 \ub2e4\ub978 \ubc29\uc2dd\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ud30c\uc774\ud504 \uc720\ud615\uc5d0\ub294 \uace0\uc720\ud55c <strong>\uacf5\uce6d \ubcbd \ub450\uaed8<\/strong>. \ud30c\uc774\ud504\ub294 \ub2e4\uc591\ud55c \ud06c\uae30\ub85c \uc81c\uacf5\ub418\uba70 \uac00\uaca9\ub3c4 \ub2e4\ub985\ub2c8\ub2e4. \uac01 \ud30c\uc774\ud504\uc758 \uace0\uc720\ud55c \uae30\ub2a5\uc740 \uc0ac\uc6a9 \uc7a5\uc18c\uc640 \ubc29\ubc95\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc62c\ubc14\ub978 \ub3c4\uad6c\uc640 \ud544\uc694\ud55c \ub3c4\uad6c\uc5d0 \ub300\ud574 \uc544\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. <strong>\uc0ac\uc591<\/strong> \uac15\uad00\uc758 \uc885\ub958\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3>\uc2ec\ub9ac\uc2a4 \uac15\uad00\uc758 \uc815\uc758 \ubc0f \uae30\ubcf8 \ud2b9\uc131<\/h3>\n<p><strong>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00<\/strong> \uc774\uc74c\uc0c8\uac00 \ubcf4\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac15\ub825\ud558\uace0 \uc548\uc815\uc801\uc778 \uc9c0\uc9c0\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc81c\uc791 \ubc29\uc2dd\uc740 <strong>\uc911\uacf5 \ube4c\ub81b<\/strong>\ub294 \ub465\uae00\uace0 \ub2e8\ub2e8\ud55c \uac15\ucca0 \uc870\uac01\uc785\ub2c8\ub2e4. \uc774 <strong>\ube4c\ub81b<\/strong> \uc744 \ub6ab\uc5b4 <strong>\uc2ec\ub9ac\uc2a4 \ud29c\ube0c<\/strong>. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ud30c\uc774\ud504 \ubd80\ud488\uc5d0\uc11c \uc57d\ud55c \ubd80\ubd84\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \ud30c\uc774\ud504\ub294 \uace0\uc555\uc744 \uacac\ub514\ub294 \ub370 \uc801\ud569\ud558\uba70 \ud5d8\ub09c\ud55c \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uacfc \uac19\uc740 \uae00\ub85c\ubc8c \uaddc\uce59\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\uc9c4 \ud30c\uc774\ud504\ub97c \uc790\uc8fc \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>ASTM<\/strong>. \uc774\ub7ec\ud55c \ud45c\uc900\uc740 <strong>\uc2ec\ub9ac\uc2a4 \uc2a4\ud2f8<\/strong> \ud30c\uc774\ud504\uc5d0\ub294 \uc624\ub978\ucabd <strong>\uc0ac\uc591<\/strong> \uc5d0 \uc801\ud569\ud55c \ub514\uc790\uc778\uc785\ub2c8\ub2e4. \ub514\uc790\uc778\uc740 \ub2e4\uc591\ud55c \ud3ed\uc5d0 \ub9de\ucd9c \uc218 \uc788\uc73c\uba70 <strong>\uacf5\uce6d \ud30c\uc774\ud504 \ud06c\uae30(NPS)<\/strong>. \uc989, \uc815\uc720 \uacf5\uc7a5\uc774\ub098 \ubc1c\uc804\uc18c \ub4f1 \ub2e4\uc591\ud55c \uc694\uad6c\uc0ac\ud56d\uc5d0 \uc801\ud569\ud55c \ud06c\uae30\uac00 \uc788\ub2e4\ub294 \ub73b\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\ud65c\ud55c \ubc30\uad00\uc5d0\uc11c \ud55c \uac00\uc9c0 \ub354 \uc911\uc694\ud55c \uac83\uc740 \ubcc0\ud654\ud558\ub294 <strong>\ubcbd \ub450\uaed8<\/strong>. \ub864\ub9c1 \ubc0f \ub2f9\uae30\ub294 \ub2e8\uacc4\ub294 \ud30c\uc774\ud504\uc758 \ubcbd \ub450\uaed8\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub54c\ub85c\ub294 \uc774\uac83\uc774 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc9c0\ub9cc \ud56d\uc0c1 \ud544\uc694\ud55c \uac83\uc740 \uc544\ub2d0 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub97c \uc124\uacc4\ud558\uace0 \uc791\uc5c5\ud558\ub294 \uc0ac\ub78c\ub4e4\uc740 \uac15\ub3c4\uc640 \uc0ac\uc6a9 \uc6a9\ub3c4, \uadf8\ub9ac\uace0 <strong>\uc2ec\ub9ac\uc2a4 \ud29c\ube0c<\/strong> \ub294 \ub9e4\uc77c \ud488\uc9c8\uc774 \uc911\uc694\ud55c \uacf3\uc5d0\uc11c \uc120\ud0dd\ud558\uae30 \uc804\uc5d0 \uc131\ub2a5\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc6a9\uc811 \uac15\uad00\uc758 \uc815\uc758 \ubc0f \uae30\ubcf8 \ud2b9\uc131<\/h3>\n<p><strong>\uc6a9\uc811 \uac15\uad00<\/strong> \ub294 \uac15\ud310\uc758 \uac00\uc7a5\uc790\ub9ac\ub97c \uc11c\ub85c \uc5f0\uacb0\ud558\uc5ec \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \ud30c\uc774\ud504\uc758 \uae38\uc774\ub97c \ub530\ub77c \uc774\uc5b4\uc9c0\ub294 \uc774\uc74c\uc0c8\uac00 \ubcf4\uc785\ub2c8\ub2e4. \uc774 \ud30c\uc774\ud504\ub294 \uac00\uaca9 \ub300\ube44 \uc131\ub2a5\uc774 \uc88b\uc544 \ub9ce\uc740 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub294 \uac74\ucd95\ubb3c\uacfc \uc218\ub3c4\uad00\uc785\ub2c8\ub2e4. \ud30c\uc774\ud504\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc720\ud615\uc73c\ub85c \uc81c\uacf5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>\uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ud30c\uc774\ud504<\/strong>.<\/p>\n<p>\uc774 \ud30c\uc774\ud504\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574 \uac15\ud310\uc744 \ub465\uadfc \ud29c\ube0c \ubaa8\uc591\uc73c\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6a9\uc811\ud569\ub2c8\ub2e4. <strong>\uc804\uae30 \uc800\ud56d \uc6a9\uc811(ERW)<\/strong>. \uc791\uc5c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud45c\uc900\uc5d0 \ub530\ub77c \uc218\ud589\ub429\ub2c8\ub2e4. <strong>ASME<\/strong> \uadf8\ub9ac\uace0 <strong>API<\/strong>. \ud30c\uc774\ud504\ub97c \uc6a9\uc811\ud558\ub294 \uc0c8\ub85c\uc6b4 \ubc29\ubc95\uc73c\ub85c \uc774\uc74c\uc0c8\uac00 \ub354 \uc88b\uace0 \uac15\ud574\uc84c\uc2b5\ub2c8\ub2e4. \uc774\uc74c\uc0c8\uac00 \uc788\ub354\ub77c\ub3c4 \ud30c\uc774\ud504\uc758 \uc218\uba85\uc774 \uae38\uace0 \ub300\ubd80\ubd84\uc758 \uc6a9\ub3c4\uc5d0 \ucda9\ubd84\ud788 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 <strong>\ubc30\uad00<\/strong>, <strong>\ud53c\ud305<\/strong>\ubc0f \uc6a9\uc811\ubd80 \ub4f1 \ubaa8\ub4e0 \uac83\uc744 \uc801\uc808\ud55c \ud06c\uae30\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ud30c\uc774\ud504\uac00 \ub3d9\uc77c\ud55c <strong>\ubcbd \ub450\uaed8<\/strong> \uae38\uc774\ub97c \ub530\ub77c \ubaa8\ub450 \uc6a9\uc811\ud569\ub2c8\ub2e4. \uc6a9\uc811\ub41c \uc774\uc74c\uc0c8\uac00 \ubcf4\uc774\uc9c0\ub9cc \uc815\uc0c1\uc801\uc778 \uc555\ub825\uc740 \uc798 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc6a9\uc811 \ud30c\uc774\ud504\ub97c \uc120\ud0dd\ud558\ub824\uba74 \ud574\ub2f9 \ud30c\uc774\ud504\uac00 \uc218\ud589\ud574\uc57c \ud558\ub294 \uc791\uc5c5, \ub530\ub77c\uc57c \ud558\ub294 \uaddc\uce59, \ub530\ub77c\uc57c \ud558\ub294 \uaddc\uce59, \uc6a9\uc811\ub41c \ud30c\uc774\ud504\uc758 \uae38\uc774, \uc6a9\uc811\ub41c \ud30c\uc774\ud504\uc758 \uc131\ub2a5 \ub4f1\uc744 \uc0b4\ud3b4\ubd10\uc57c \ud569\ub2c8\ub2e4. <strong>\uc0ac\uc591<\/strong>\uc561\uccb4\ub098 \uae30\uccb4\ub97c \uc774\ub3d9\ud558\ub294 \uac83\uacfc \uac19\uc774 \uc6d0\ud558\ub294 \uc6a9\ub3c4\uc5d0 \uc5bc\ub9c8\ub098 \uc798 \uc791\ub3d9\ud558\ub294\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>\n<h2>\uc81c\uc870 \uacf5\uc815\uc758 \uc8fc\uc694 \ucc28\uc774\uc810<\/h2>\n<p><figure loading=\"lazy\" class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/hfittings.com\/wp-content\/uploads\/2025\/07\/3cab0669-c3b5-42b7-bb3e-ee6248a5c40b.png\" alt=\"\uac15\uad00 \uc81c\uc870 \uacf5\uc815\" style=\"display: block; margin-block: 10px;\"><\/figure>\n<p> \uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504\uc640 \uc6a9\uc811 \ud30c\uc774\ud504\ub97c \ub9cc\ub4dc\ub294 \ubc29\uc2dd\uc740 \ub2e4\ub985\ub2c8\ub2e4. \uc2ec\ub9ac\uc2a4 \ud30c\uc774\ud504\ub294 \ub2e8\ub2e8\ud55c \ube4c\ub81b\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc774\ub97c \ub6ab\uace0, \uad74\ub9ac\uace0, \ub298\ub824\uc11c \uc9c1\uacbd\uc5d0 \ud544\uc694\ud55c \ud06c\uae30\uc640 \ub450\uaed8\ub97c \uc5bb\uace0 \uc62c\ubc14\ub978 \uc0ac\uc591\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \uc774\uc74c\uc0c8\uac00 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ud30c\uc774\ud504\uc5d0 \uac15\ub3c4\ub97c \ubd80\uc5ec\ud569\ub2c8\ub2e4.<\/p>\n<p>\ubc18\uba74 \uc6a9\uc811 \ud30c\uc774\ud504\ub294 \ud3c9\ud3c9\ud55c \uac15\ud310\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2dc\ud2b8\ub294 \uc608\ub97c \ub4e4\uc5b4 ERW \ubc29\uc2dd\uc73c\ub85c \uc11c\ub85c \uacb0\ud569\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\uc74c\uc0c8\uac00 \ubcf4\uc774\uc9c0\ub9cc \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub294 \ube44\uc6a9\uc744 \uc808\uac10\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub97c \ub9cc\ub4dc\ub294 \uac01 \ubc29\ubc95\uc740 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \uac00\uc7a5 \uc801\ud569\ud55c \ubc29\ubc95\uc774 \uc788\uc73c\ubbc0\ub85c \uc790\uc2e0\uc758 \uc791\uc5c5\uc5d0 \uc801\ud569\ud55c \ubc29\ubc95\uc744 \uc54c\uc544\ub450\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4\uc9c0\ub294\uc9c0 \uc54c\uc544\ubd05\uc2dc\ub2e4.<\/p>\n<h3>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00 \uc81c\uc870 \ubc29\ubc95<\/h3>\n<p>\ub9cc\ub4e4\uae30 <strong>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00<\/strong> \ub77c\ub294 \ub465\uadfc \uc870\uac01\uc73c\ub85c \uc2dc\uc791\ud569\ub2c8\ub2e4. <strong>\ube4c\ub81b<\/strong>. \ube4c\ub81b\uc740 \ubaa8\uc591\uc774 \uc27d\uac8c \ub420 \ub54c\uae4c\uc9c0 \uac00\uc5f4\ub429\ub2c8\ub2e4. \uadf8 \ud6c4 <strong>\ub9e8\ub4dc\ub9b4<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\uc74c\uc0c8\ub098 \uade0\uc5f4 \uc5c6\uc774 \uc18d\uc774 \ube48 \ud29c\ube0c\ub97c \ubc00\uc5b4 \ub123\uc2b5\ub2c8\ub2e4. \ud29c\ube0c\uac00 \uc18d\uc774 \ube44\uc5b4 \uc788\uc73c\uba74 \ub864\ub9c1\uacfc \uc2a4\ud2b8\ub808\uce6d\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ud30c\uc774\ud504\uc758 \uae38\uc774\uc640 <strong>\ubcbd \ub450\uaed8<\/strong>\uc5d0 \ub530\ub77c \uace0\uac1d\uc758 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>ASTM<\/strong> \ub610\ub294 \uae30\ud0c0 <strong>\uc0ac\uc591<\/strong>.<\/p>\n<p>\ub54c\ub85c\ub294 \uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504\uac00 \ud615\uc131\ub41c \ud6c4 \ucd94\uac00 \uac00\uc5f4\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub978 \ud30c\uc774\ud504\ub294 \uc8fc \uc81c\uc791 \uacfc\uc815\uc5d0\uc11c \ubc14\ub85c \ub2e8\ub2e8\ud574\uc9c0\uae30\ub3c4 \ud569\ub2c8\ub2e4. \ud488\uc9c8\uc744 \ubcf4\uc5ec\uc8fc\uae30 \uc704\ud574 \uc81c\uc870\uc5c5\uccb4\ub294 <strong>\ubc00 \ud14c\uc2a4\ud2b8 \ubcf4\uace0\uc11c(MTR)<\/strong> \ud30c\uc774\ud504\uac00 \ud2bc\ud2bc\ud558\uace0 \uc62c\ubc14\ub978 \ubc29\uc2dd\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc84c\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ub2e8\uacc4\ub97c \uc124\uba85\ud558\ub294 \uac04\ub2e8\ud55c \ud45c\uc785\ub2c8\ub2e4:<\/p>\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p><strong>\uc2a4\ud14c\uc774\uc9c0<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p><strong>\uc124\uba85<\/strong><\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\uac00\uc5f4 \ud504\ub85c\uc138\uc2a4<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\ube4c\ub81b\uc740 \ub728\uac70\uc6cc\uc9c0\uae30 \ub54c\ubb38\uc5d0 \uc27d\uac8c \uad6c\ubd80\ub7ec\uc9c0\uace0 \ubaa8\uc591\uc774 \ubcc0\ud615\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\ud53c\uc5b4\uc2f1 \ub9e8\ub4dc\ub9b4<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\ubcbd\uc5d0 \uc774\uc74c\uc0c8\uac00 \uc5c6\ub294 \uc18d\uc774 \ube48 \ud29c\ube0c\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\uc2a4\ud2b8\ub808\uce6d\/\ub864\ub9c1<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\ud30c\uc774\ud504\uc758 \uae38\uc774\ub97c \uc124\uc815\ud558\uace0 <strong>\ubcbd \ub450\uaed8<\/strong>.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc774 \ud30c\uc774\ud504 \uc81c\uc791 \ubc29\uc2dd\uc740 \ud798\ub4e0 \uc791\uc5c5\uc5d0\uc11c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacac\uace0\ud558\uace0 \uc815\ud655\ud55c \ud30c\uc774\ud504\uac00 \ud544\uc694\ud55c \uc791\uc5c5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc6a9\uc811 \uac15\uad00 \uc81c\uc870 \ubc29\ubc95<\/h3>\n<p>\ub9cc\ub4e4\uae30 <strong>\uc6a9\uc811 \uac15\uad00<\/strong> \uc791\uc5c5\uc790\uac00 \ud544\uc694\ud55c \ud06c\uae30\uc5d0 \ub9de\uac8c \ucca0\ud310\uc744 \uc790\ub974\uba74\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uac15\ud310\uc744 \uc6d0\ud1b5 \ubaa8\uc591\uc73c\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \ud30c\uc774\ud504 \uac00\uc7a5\uc790\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud604\ub300\uc801\uc778 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc11c\ub85c \uacb0\ud569\ub429\ub2c8\ub2e4. <strong>ERW<\/strong> \ub610\ub294 <strong>\uc11c\ube0c\uba38\uc9c0\ub4dc \uc544\ud06c \uc6a9\uc811<\/strong>. \uc774\ub7ec\ud55c \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc62c\ubc14\ub978 \uaddc\uce59\uc744 \ub530\ub985\ub2c8\ub2e4. <strong>ANSI<\/strong> \uc0ac\uc591.<\/p>\n<p>\uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ud30c\uc774\ud504 \uc804\uccb4\uc5d0 \uac78\uccd0 \ubcbd\uc758 \ub450\uaed8\ub97c \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ud29c\ube0c \uae38\uc774\uc640 \uc9c1\uacbd\uc744 \ub2e4\uc591\ud558\uac8c \uc120\ud0dd\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc720\uccb4 \uc774\ub3d9\uacfc \uac19\uc774 \ud30c\uc774\ud504\uc5d0 \ud070 \ubb34\ub9ac\uac00 \uac00\uc9c0 \uc54a\ub294 \uc791\uc5c5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc77c\ubd80 \uc6a9\uc811 \ud30c\uc774\ud504\ub294 \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac\ub97c \uac70\uce58\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc774\ub294 \uac15\ub3c4\ub97c \ub192\uc774\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\ud30c\uc774\ud504\uc5d0 \uc774\uc74c\uc0c8\uac00 \uc788\ub354\ub77c\ub3c4 \uc0c8\ub85c\uc6b4 \ub3c4\uad6c\uc640 \uae30\uc220\ub85c \ud30c\uc774\ud504\uc758 \uc218\uba85\uc744 \uc5f0\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Strict <strong>\uace0\uac1d \uc11c\ube44\uc2a4<\/strong> \ubaa8\ub4e0 \ud30c\uc774\ud504\uac00 \uac01 \ud504\ub85c\uc81d\ud2b8\uc758 \uaddc\uce59\uacfc \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>\uc6a9\uc811 \ud30c\uc774\ud504<\/strong> \ube44\uc6a9\uc774 \uc801\uac8c \ub4e4\uace0, \uc5ec\ub7ec \uacf3\uc5d0\uc11c \uc77c\ud560 \uc218 \uc788\uc73c\uba70, \uc5c5\uacc4\uc758 \ub2e4\uc591\ud55c \uc5c5\ubb34\ub97c \ucc98\ub9ac\ud560 \uc900\ube44\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc694\uc57d\ud558\uc790\uba74, \uc2ec\ub9ac\uc2a4 \uac15\uad00\uacfc \uc6a9\uc811 \uac15\uad00\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc744 \uc544\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \ub9ce\uc740 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ud604\uba85\ud55c \uc120\ud0dd\uc744 \ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\uc74c\ub9e4\uc5c6\ub294 \ud30c\uc774\ud504\ub294 \ub354 \uac15\ud558\uace0 \ub354 \ub9ce\uc740 \uc555\ub825\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc6a9\uc811 \ud30c\uc774\ud504\ub294 \ub354 \uc800\ub834\ud558\uace0 \uc555\ub825\uc774 \ub9ce\uc9c0 \uc54a\uc744 \ub54c \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \ub450 \ud30c\uc774\ud504\uc758 \uc81c\uc791 \ubc29\uc2dd\uc740 \uc791\uc5c5 \uc218\ud589 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub610\ud55c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc7a5\uc18c\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ubc30\uad00\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \ube44\uc6a9, \uc0ac\uc6a9 \ubaa9\uc801, \ud574\ub2f9 \uc5c5\uacc4\uc758 \uaddc\uce59 \ub4f1\uc744 \uace0\ub824\ud558\uc138\uc694. \uc774\ub807\uac8c \ud558\uba74 \uc5c5\ubb34\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ud30c\uc774\ud504\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ucd5c\uc801\uc758 \ubc30\uad00\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ud544\uc694\ud558\uba74 \uc9c0\uae08 \ubc14\ub85c \ubb38\uc758\ud558\uc5ec \ubb34\ub8cc \uc0c1\ub2f4\uc744 \ubc1b\uc73c\uc138\uc694.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\uc2f1\uac00\ud3ec\ub974\uc5d0\uc11c \uc6a9\uc811 \ud30c\uc774\ud504\uc5d0 \ube44\ud574 \uc774\uc74c\ub9e4\uc5c6\ub294 \uac15\uad00\uc758 \uc8fc\uc694 \uc7a5\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00\uc740 \ubcbd \ub450\uaed8\uac00 \uc88b\uace0 \ub0b4\uc555\uc131\uc774 \uac15\ud569\ub2c8\ub2e4. \ub354 \ub9ce\uc740 \uc555\ub825\uc744 \ucc98\ub9ac\ud574\uc57c \ud558\ub294 \ubc30\uad00 \uc791\uc5c5\uc5d0 \uc801\ud569\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4. \uc774 \ud30c\uc774\ud504\ub294 ASME \uaddc\uce59\uc744 \ub530\ub974\uae30 \ub54c\ubb38\uc5d0 \uc6a9\uc811 \ud30c\uc774\ud504\ubcf4\ub2e4 \ub354 \ub192\uc740 \uc555\ub825\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc6a9\uc811 \ud30c\uc774\ud504\ub294 \uc774\uc74c\uc0c8\uac00 \ubcf4\uc774\uae30 \ub54c\ubb38\uc5d0 \uadf8\ub2e4\uc9c0 \uae4c\ub2e4\ub86d\uc9c0 \uc54a\uc740 \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00\uc740 \uac70\uce5c \ubc30\uad00 \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ud558\uae30\uc5d0 \ub354 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc2f1\uac00\ud3ec\ub974\uc5d0\uc11c \ud55c \uac00\uc9c0 \uc720\ud615\uc758 \ud30c\uc774\ud504\ub97c \ub2e4\ub978 \uc720\ud615\ubcf4\ub2e4 \uc120\ud638\ud558\ub294 \ud2b9\uc815 \uc0b0\uc5c5\uc774 \uc788\ub098\uc694?<\/h3>\n<p>\uc2f1\uac00\ud3ec\ub974\uc5d0\uc11c\ub294 \uc81c\uc57d \ubc0f \uc5d0\ub108\uc9c0 \uc0b0\uc5c5\uc5d0\uc11c \uc555\ub825\uc744 \uacac\ub51c \uc218 \uc788\ub294 \ud2bc\ud2bc\ud55c \ud30c\uc774\ud504\uac00 \ud544\uc694\ud560 \ub54c \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \uc2ec\ub9ac\uc2a4 \ud30c\uc774\ud504\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uac74\uc124 \ubc0f \uc218\uc790\uc6d0 \uc6b4\uc1a1\uc758 \uacbd\uc6b0 \ub300\ubd80\ubd84\uc758 \uc0ac\ub78c\ub4e4\uc774 \uc6a9\uc811 \ud30c\uc774\ud504\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \uc608\uc0b0 \uce21\uba74\uc5d0\uc11c \ub354 \uc720\ub9ac\ud558\uba70 \uad6c\uc870\uc6a9 \ubc0f \uae30\uacc4\uc2dd \ud29c\ube0c\uc5d0 \uc0ac\uc6a9\ud558\uae30\uc5d0 \uc88b\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc0ac\ub78c\ub4e4\uc774 \ud29c\ube59 \ubc0f \uae30\ud0c0 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \uc62c\ubc14\ub978 \uc120\ud0dd\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc8fc\ub294 ANSI\uc640 \uac19\uc740 \ud45c\uc900\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc774\uc74c\ub9e4\uc5c6\ub294 \uac15\uad00\uacfc \uc6a9\uc811 \uac15\uad00\uc740 \uac15\ub3c4\uc640 \ub0b4\uc555\uc131 \uce21\uba74\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ub2e4\ub985\ub2c8\uae4c?<\/h3>\n<p>\uc2ec\ub9ac\uc2a4 \ud30c\uc774\ud504\ub294 \uc774\uc74c\uc0c8\uac00 \ubcf4\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uace0\uc555 \uc870\uac74\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub54c \ub354 \uac15\ud574\uc9d1\ub2c8\ub2e4. \ub610\ud55c \ubcbd \ub450\uaed8\uac00 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc6a9\uc811 \ud30c\uc774\ud504\uc5d0\ub294 \uc774\uc74c\uc0c8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud30c\uc774\ud504\ub294 \ub9e4\uc6b0 \ub192\uc740 \uc678\uacbd(OD) \uc815\ubc00\ub3c4\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uace0 \uc801\ub2f9\ud55c \uc555\ub825\ub9cc \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc791\uc5c5\uc744 \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h3>\uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00\uacfc \uc6a9\uc811\ub41c \uac15\uad00 \uc911 \uc5b4\ub290 \uac83\uc774 \ub354 \ube44\uc6a9 \ud6a8\uc728\uc801\uc77c\uae4c\uc694?<\/h3>\n<p>\uc6a9\uc811 \uac15\uad00\uc740 \uc885\uc885 \ube44\uc6a9\uc774 \uc800\ub834\ud558\uace0 \uc81c\uc791 \ubc29\uc2dd\uc774 \ub354 \uac04\ub2e8\ud569\ub2c8\ub2e4. \ub610\ud55c \uac70\uc758 \ubaa8\ub4e0 \uacf3\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc544\uba54\ub9ac\uce78 \ud30c\uc774\ud551 \ud504\ub85c\ub355\ud2b8\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uac83\uacfc \uac19\uc740 \uc774\uc74c\ub9e4 \uc5c6\ub294 \uac15\uad00\uc740 \ub354 \ub098\uc740 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 \uc791\uc5c5\uc758 \ud488\uc9c8\uc774 \ucd5c\uace0\uc5ec\uc57c \ud558\ub294 \uc791\uc5c5\uc5d0\uc11c \uc911\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc911\uc694\ud55c \ubc30\uad00 \uc791\uc5c5\uc5d0\uc11c \ucd5c\uace0\uc758 \uac00\uce58\ub97c \uc6d0\ud55c\ub2e4\uba74 \uc2ec\ub9ac\uc2a4 \uc2a4\ud2f8\uc774 \uc88b\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc2ec\ub9ac\uc2a4 \uac15\uad00\uacfc \uc6a9\uc811 \uac15\uad00 \uc911\uc5d0\uc11c \uc120\ud0dd\ud560 \ub54c \uace0\ub824\ud574\uc57c \ud560 \uc694\uc18c\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<p>\uc8fc\ubb38 \uc2dc\uae30, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc694\uad6c \uc0ac\ud56d, B\ub4f1\uae09 \ud638\ud658\uc131 \ubc0f MTR \uc0ac\uc591\uc774 \ubaa8\ub450 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uace0\uc555\uc6a9 \ud30c\uc774\ud504\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uc2ec\ub9ac\uc2a4 \ud0c4\uc18c\uac15\uc744 \uc120\ud0dd\ud558\uc138\uc694. \ud504\ub85c\uc81d\ud2b8\uc758 \ubaa9\uc801\uc774 \ube44\uc6a9 \uc808\uac10\uc774\uace0 \uace0\uc555\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\ub2e4\uba74 \uc6a9\uc811 \ud30c\uc774\ud504\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Key Highlights Seamless steel pipes are crafted from a hollow billet and are free of seams, offering consistent pressure resistance and excellent performance in high-stress settings. Welded steel pipes are formed by welding the edges of coiled steel strips, resulting in visible seams but cost-efficient production suitable for general applications. Wall thickness in seamless piping [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3377,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3381","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/posts\/3381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/comments?post=3381"}],"version-history":[{"count":0,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/posts\/3381\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/media\/3377"}],"wp:attachment":[{"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/media?parent=3381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/categories?post=3381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hfittings.com\/ko\/wp-json\/wp\/v2\/tags?post=3381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}