{"id":6091,"date":"2025-12-19T16:16:30","date_gmt":"2025-12-19T08:16:30","guid":{"rendered":"https:\/\/uniasen.com\/?p=6091"},"modified":"2025-12-24T14:34:20","modified_gmt":"2025-12-24T06:34:20","slug":"types-of-welded-steel-pipes","status":"publish","type":"post","link":"https:\/\/uniasen.com\/ko\/blog\/\uc6a9\uc811-\uac15\uad00\uc758-\uc885\ub958\/","title":{"rendered":"\uc6a9\uc811 \uac15\uad00\uc758 \uc885\ub958"},"content":{"rendered":"

\uc18c\uac1c<\/h2>\n

\uc6a9\uc811 \uac15\uad00\uc740 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub294 \uac15\ud310\uc774\ub098 \uc2a4\ud2b8\ub9bd \ucf54\uc77c\uc744 \uc6d0\ud1b5\ud615\uc73c\ub85c \ub9d0\uc544 \ud45c\uba74\uc5d0 \uc774\uc74c\uc0c8\uac00 \uc788\ub294 \uc6a9\uc811 \ud30c\uc774\ud504\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uac04\ub2e8\ud55c \uc0dd\uc0b0 \ubc29\ubc95\uc740 ERW<\/a> \ubc0f SAW\ub294 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc774\uace0 \uc800\ub834\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uae38\uc774, \ub450\uaed8, \uc9c1\uacbd\uc73c\ub85c \ub2e4\uc591\ud55c \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub9de\ub294 \ud30c\uc774\ud504\ub97c \uc0dd\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub294 \uc218\uba85\uc774 \uae38\uace0 \uac15\ub3c4\uac00 \ub192\uc73c\uba70 \ubd80\uc2dd\uc5d0 \uac15\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504\ucc98\ub7fc \uac15\ub3c4\uac00 \uade0\uc77c\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uae30\uc220\uc758 \uc9c0\uc18d\uc801\uc778 \ubc1c\uc804\uacfc \ud568\uaed8 \uac15\uad00\uc758 \uc6a9\uc811 \ubc0f \uac80\uc0ac\ub3c4 \ubc1c\uc804\ud574 \uc654\uc2b5\ub2c8\ub2e4. \uc774\uc81c \ud488\uc9c8\uacfc \uc0ac\uc591\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ub2e4\uc591\ud55c \uc6a9\uc811 \uac15\uad00\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uad6c\ub9e4\uc790\ub294 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc801\ud569\ud55c \uc720\ud615\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc57d\uac04\uc758 \uc9c0\uc2dd\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \uc720\ud615\uc758 \uc6a9\uc811 \uac15\uad00\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uc6a9\uc811 \uac15\uad00\uc758 \uc885\ub958<\/h2>\n

\uc544\ub798\uc5d0\uc11c \uc124\uba85\ud558\ub294 \ubaa8\ub4e0 \uc720\ud615\uc740 \uc6a9\uc811 \ud30c\uc774\ud504\uc774\uc9c0\ub9cc \uc0dd\uc0b0 \ubc29\ubc95\uacfc \uc6a9\ub3c4\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ud615\uc131, \uc5f4 \uc801\uc6a9 \ubc29\ubc95, \uc555\ub825 \ubc0f \uc9c1\uacbd\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

ERW(\uc804\uae30 \uc800\ud56d \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\"ERW<\/p>\n

\ucf54\uc77c \uc2a4\ud2b8\ub9bd\uc774\ub098 \uac15\ud310\uc744 \uc6d0\ud1b5\ud615\uc73c\ub85c \ub0c9\uac04 \uc131\ud615\ud55c \ud6c4, \ud30c\uc774\ud504\ub97c \uc804\ub958\ub85c \uac00\uc5f4\ud569\ub2c8\ub2e4. \uace0\uc8fc\ud30c \ub610\ub294 \uc800\uc8fc\ud30c \uc804\ub958\uac00 \ud30c\uc774\ud504\uc758 \uac00\uc7a5\uc790\ub9ac\ub97c \ub179\uc785\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc2a4\ud034\uc988 \ub864\ub7ec \uc6a9\uc811\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc735\ud569\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc740 \uacb0\uacfc\ub97c \uc5bb\uc2b5\ub2c8\ub2e4. ERW \ud30c\uc774\ud504<\/a>. \uc774\ub807\uac8c \ud558\uba74 \uc6a9\uc811 \uc911\uc5d0 \ud544\ub7ec \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud560 \ud544\uc694\uac00 \uc5c6\uc73c\ubbc0\ub85c \uc9c1\uc120\ud615 \uc138\ub85c \uc774\uc74c\uc0c8\ub97c \ud615\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc74c\uc0c8\ub294 \uac15\ud558\uace0 \uac70\uc758 \uac10\uc9c0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \uacf5\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4\uac04 \uc555\uc5f0 \ucf54\uc77c\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uacf5\ubc95\uc740 \ubcbd \ub450\uaed8\uc640 \uc678\uacbd\uc744 \uc5c4\uaca9\ud558\uac8c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0dd\uc0b0\uc5d0 \uc0ac\uc6a9\ub418\ub294 ERW \ubc29\uc2dd\uc5d0\ub294 \uba87 \uac00\uc9c0 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub192\uc740 \ud6a8\uc728\uc131\uacfc \uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc740 \uc0dd\uc0b0 \ube44\uc6a9\uc73c\ub85c \ube5b\uc744 \ubc1c\ud569\ub2c8\ub2e4. \uc7ac\ub8cc\ub3c4 \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

ERW \ud30c\uc774\ud504\uc758 \uc801\uc6a9 \ubd84\uc57c\ub294 \ud56d\uacf5\ubd80\ud130 \uacbd\uacf5\uc5c5\uae4c\uc9c0 \ub2e4\uc591\ud569\ub2c8\ub2e4. \uc694\uad6c \uc0ac\ud56d\uc774 \ub35c \uae4c\ub2e4\ub85c\uc6b4 \uc77c\ubd80 \uc11d\uc720 \ubc0f \uac00\uc2a4 \ub77c\uc778\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

HFW(\uace0\uc8fc\ud30c \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\uace0\uc8fc\ud30c \uc6a9\uc811 \ud30c\uc774\ud504\ub294 100~800kHz \uc804\ub958\ub97c \uc0ac\uc6a9\ud558\ub294 \uace0\uc8fc\ud30c \uc6a9\uc811\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uace0\uc8fc\ud30c \uc804\ub958\ub294 \uc2a4\ud2b8\ub9bd \uac00\uc7a5\uc790\ub9ac\ub97c \ud1b5\uacfc\ud560 \ub54c \uac15\ub825\ud558\uace0 \uc77c\uad00\ub41c \uc6a9\uc811\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 HFW \ud30c\uc774\ud504\ub294 \uac15\ub3c4\uac00 \ub192\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub098\uba70 \uce58\uc218 \uc815\ud655\ub3c4\uac00 \uc6b0\uc218\ud569\ub2c8\ub2e4. \uace0\uc555 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \uc635\uc158\uc785\ub2c8\ub2e4.<\/span><\/p>\n

HFW \ubc29\uc2dd\uc740 \ube60\ub978 \uc0dd\uc0b0 \uc18d\ub3c4\uc640 \uc77c\uad00\ub41c \uc6a9\uc811 \ud488\uc9c8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ube44\uc6a9 \ud6a8\uc728\uc801\uc774\uba70 \uc77c\ubc18\uc801\uc73c\ub85c \uc587\uc740 \ubcbd\uc5d0\uc11c \uc911\uac04 \ubcbd\uc758 \ub77c\uc778 \ud30c\uc774\ud504 \ubc0f \uad6c\uc870\uc6a9 \ud29c\ube0c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub294 \uc11d\uc720, \uac00\uc2a4 \ubc0f \ubb3c\uc758 \uc6b4\uc1a1\uacfc \uac74\uc124\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/span><\/p>\n

LSAW(\uc885\ubc29\ud5a5 \uc11c\ube0c\uba38\uc9c0\ub4dc \uc544\ud06c \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\"LSAW<\/p>\n

\uc774 \uac15\uad00\uc5d0\ub294 \ud30c\uc774\ud504\ub97c \uac00\ub85c\uc9c8\ub7ec \ub05d\uae4c\uc9c0 \uace7\uac8c \ubed7\uc740 \uc138\ub85c \uc6a9\uc811 \uc774\uc74c\uc0c8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uae38\uc774\ub294 12~20\ubbf8\ud130\uc774\uba70 \uc5f4\uac04 \ub610\ub294 \ub0c9\uac04 \uc555\uc5f0 \uc911\ud0c4\uc18c\uac15\uc73c\ub85c \uc0dd\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. LSAW \ud30c\uc774\ud504<\/a> \ub294 6mm~50mm\uc758 \ub450\uaebc\uc6b4 \ubcbd\uacfc \uc678\uacbd 406mm~1422mm\uc758 \ub300\uad6c\uacbd \ud30c\uc774\ud504\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud488\uc9c8\uacfc \uac15\ub3c4\ub3c4 \uc778\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \ud30c\uc774\ud504\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc740 \ube44\uad50\uc801 \uac04\ub2e8\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4. \uc11d\uc720\ud654\ud559, \uac74\uc124, \ub18d\uc5c5 \ub4f1 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

SSAW \/ HSAW (\ub098\uc120\ud615 \uc11c\ube0c\uba38\uc9c0\ub4dc \uc544\ud06c \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\uc774 \uac15\uad00\uc740 \ub098\uc120\ud615 HR \ucf54\uc77c \ub610\ub294 \uac15\ud310\uc73c\ub85c \uc0dd\uc0b0\ub418\uba70, \uac10\uc744 \ub54c \uc774\uc74c\uc0c8\uac00 \uc6a9\uc811\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub450\uaed8\uac00 SCH 40\uc5d0\uc11c SCH 80\uc5d0 \uc774\ub974\ub294 \ube44\uad50\uc801 \uae34 \ud30c\uc774\ud504\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc131\ud615 \uac01\ub3c4\ub294 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc9c1\uacbd\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc0dd\uc0b0 SSAW<\/a> \/ HSAW \ud30c\uc774\ud504\ub294 \uace0\uc628\uc5d0\uc11c \uc774\uc74c\uc0c8\ub97c \uc6a9\uc811\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uac15\ub3c4\uac00 \ub192\uae30 \ub54c\ubb38\uc5d0 \ube44\uc6a9\uc774 \uc870\uae08 \ub354 \ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc11d\uc720 \ubc0f \uac00\uc2a4 \uc6b4\uc1a1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

EFW(\uc804\uae30 \uc735\ucc29 \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\"EFW<\/p>\n

\uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub97c \uc0dd\uc0b0\ud558\uae30 \uc704\ud574 \uc804\uae30 \uc735\ud569 \uc6a9\uc811 \uae30\uc220\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc804\uae30 \uc544\ud06c \uc6a9\uc811\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac15\ud310\uc744 \ub179\uc774\uac70\ub098 \uc555\ucd95\ud558\uace0 \uc735\ud569\ud558\uc5ec \uc6a9\uc811\ubd80\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \ud544\uc694\ud55c \uacbd\uc6b0 \ud544\ub7ec \uc7ac\ub8cc\uc640 \ud568\uaed8 \uace0\uc804\uc555 \uc804\ub958\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc73c\ub85c \ud615\uc131\ub41c \ud30c\uc774\ud504\ub294 \uacb0\ud568\ub960\uc774 \ub9e4\uc6b0 \ub0ae\uc740 \uade0\uc77c\ud558\uace0 \uace0\ud488\uc9c8\uc758 \uc6a9\uc811\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uae4c\ub2e4\ub85c\uc6b4 \ud658\uacbd\uacfc \ud558\uc911\uc744 \uacac\ub514\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud654\ud559, \uc804\ub825, \uac74\uc124 \ub4f1\uc758 \uc0b0\uc5c5\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

DSAW(\uc774\uc911 \uc11c\ube0c\uba38\uc9c0\ub4dc \uc544\ud06c \uc6a9\uc811) \ud30c\uc774\ud504<\/h3>\n

\ud30c\uc774\ud504\ub294 \uc11c\ube0c\uba38\uc9c0\ub4dc \uc544\ud06c \uc6a9\uc811 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\uc74c\uc0c8\uc758 \uc591\ucabd, \uc678\ubd80 \ubc0f \ub0b4\ubd80\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \uc6a9\uc811\ub429\ub2c8\ub2e4. \uc774\uc74c\uc0c8\ub294 \ub098\uc120\ud615 \ub610\ub294 \uc138\ub85c\ud615\uc77c \uc218 \uc788\uc73c\uba70, \ud310\uc744 \ub9d0\uc544\uc11c \uac00\uc7a5\uc790\ub9ac\uac00 \uacbd\uc0ac\uc9c4 \uc6d0\ud1b5\ud615 \ubaa8\uc591\uc744 \ub9cc\ub4e4\uc5b4 V\uc790\ud615 \ud648\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc591\uba74 \uc6a9\uc811\uc740 \uace0\ud488\uc9c8, \ub0b4\uad6c\uc131, \uade0\uc77c\ud55c \ud30c\uc774\ud504\ub97c \uc0dd\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/p>\n

DSAW \ud30c\uc774\ud504\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubcbd\uc774 \ub450\uaecd\uace0 \uc9c1\uacbd\uc774 \ud07d\ub2c8\ub2e4. \ud30c\uc774\ud504\uc758 \uad6c\uc870\uc801 \ubb34\uacb0\uc131\uc774 \ud544\uc218\uc801\uc778 \uace0\uc555 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uad50\ub7c9 \uac74\uc124, \uc218\uc790\uc6d0 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub4f1\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\uacb0\ub860<\/h2>\n

\ub2e4\uc591\ud55c \uc720\ud615\uc758 \uc6a9\uc811 \uac15\uad00\uc5d0 \ub300\ud574 \ub17c\uc758\ud588\uc73c\ubbc0\ub85c \uc798 \uc774\ud574\ud558\uc168\uc744 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub294 \ud2b9\uc131\uacfc \uc0dd\uc0b0 \ubc29\uc2dd\uc774 \ub2e4\ub985\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ube44\uad50\uc801 \uc800\ub834\ud558\uace0 \uac15\ub3c4\uac00 \ub192\uc73c\uba70 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc694\ucee8\ub300, \ub2e4\uc591\ud55c \uac15\uad00\uc740 \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc5d0 \ub9de\ub294 \ub2e4\uc591\ud55c \uc0ac\uc591\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \uac15\uad00\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \ud2b9\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc694\uad6c \uc0ac\ud56d\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc124\uce58 \ubc0f \uc720\uc9c0 \uad00\ub9ac\ub3c4 \ud30c\uc774\ud504\uc758 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud45c\uc900 \ud504\ub85c\uc138\uc2a4\ub97c \ub530\ub974\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4!<\/span><\/p>","protected":false},"excerpt":{"rendered":"

\uc18c\uac1c \uc6a9\uc811 \uac15\uad00\uc740 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ud30c\uc774\ud504\ub294 \uac15\ud310\uc774\ub098 \uc2a4\ud2b8\ub9bd \ucf54\uc77c\uc744 \uc6d0\ud1b5\ud615\uc73c\ub85c \ub9d0\uc544 \ud45c\uba74\uc5d0 \uc774\uc74c\uc0c8\uac00 \uc788\ub294 \uc6a9\uc811 \ud30c\uc774\ud504\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. ERW \ubc0f SAW\uc640 \uac19\uc740 \uac04\ub2e8\ud55c \uc0dd\uc0b0 \ubc29\ubc95\uc740 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc774\uace0 \uc800\ub834\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc6a9\ub3c4\uc758 \ud30c\uc774\ud504\ub97c \uc0dd\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"author":10,"featured_media":6101,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nTypes of Welded Steel Pipes<\/title>\n<meta name=\"description\" content=\"Various types of welded steel pipes\u2014ERW, HFW, LSAW, SSAW, EFW, and DSAW\u2014with distinct production methods, strengths, and applications in oil\/gas, construction, petrochemicals, and high-pressure systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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