{"id":3972,"date":"2021-05-24T03:25:52","date_gmt":"2021-05-24T03:25:52","guid":{"rendered":"https:\/\/www.wldsteel.com\/?p=3972"},"modified":"2021-05-24T03:25:53","modified_gmt":"2021-05-24T03:25:53","slug":"basic-matters-of-oil-casing","status":"publish","type":"post","link":"https:\/\/www.wldsteel.com\/ko\/%ec%98%a4%ec%9d%bc-%ec%bc%80%ec%9d%b4%ec%8a%a4%ec%9d%98-%ea%b8%b0%eb%b3%b8-%ec%82%ac%ed%95%ad\/","title":{"rendered":"\uc624\uc77c \ucf00\uc774\uc2a4\uc758 \uae30\ubcf8 \uc0ac\ud56d"},"content":{"rendered":"<p>\ud654\ud559 \uc131\ubd84<br>(1) SY\/T6194-96\uc5d0 \ub530\ub984. \ucf00\uc774\uc2a4\uc640 \ucee4\ud50c\ub9c1\uc5d0 \ub3d9\uc77c\ud55c \uac15\uc885\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc720\ud669 \ud568\ub7c9 &lt;0.045% \ubc0f \uc778 \ud568\ub7c9 &lt;0.045%.<br>(2) GB\/T222-84\uc758 \uaddc\uc815\uc5d0 \ub530\ub77c \ud654\ud559 \ubd84\uc11d \uc0d8\ud50c\uc744 \ucc44\ucde8\ud569\ub2c8\ub2e4. GB223\uc758 \uad00\ub828 \ubd80\ubd84\uc758 \uaddc\uc815\uc5d0 \ub530\ub978 \ud654\ud559 \ubd84\uc11d.<br>(3) \ubbf8\uad6d\uc11d\uc720\ud611\ud68c API SPEC 5CT 1988 \uc81c1\ud310 \uaddc\uc815. ASTME59 \ubc84\uc804\uc758 \uc2dc\ub8cc \uc900\ube44\uc5d0 \ub530\ub978 \ud654\ud559 \ubd84\uc11d, ASTME350 \ubc84\uc804\uc758 \ud654\ud559 \ubd84\uc11d\uc5d0 \ub530\ub978 \ud654\ud559 \ubd84\uc11d.<\/p>\n\n\n\n<p>\uc11d\uc720 \ucf00\uc774\uc2a4<br>\uc624\uc77c \ucf00\uc774\uc2f1\uc758 \uac15\ucca0 \ub4f1\uae09: H40, J55, K55, N80, L80, C90, T95, P110, Q125, V150 \ub4f1. \ucf00\uc774\uc2f1 \ub05d \ucc98\ub9ac \ud615\ud0dc: \uc9e7\uc740 \uc6d0\ud615 \uc2a4\ub808\ub4dc, \uae34 \uc6d0\ud615 \uc2a4\ub808\ub4dc, \ubd80\ubd84 \uc0ac\ub2e4\ub9ac\uaf34 \uc2a4\ub808\ub4dc, \ud2b9\uc218 \ubc84\ud074 \ub4f1. \uc720\uc815 \uc2dc\ucd94\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uc8fc\ub85c \uc2dc\ucd94 \uacfc\uc815 \uc911 \ubc0f \uc6b0\ubb3c \uc644\ub8cc \ud6c4 \uc6b0\ubb3c \ubcbd\uc744 \uc9c0\uc9c0\ud558\uc5ec \uc2dc\ucd94 \uacfc\uc815 \uc644\ub8cc \ud6c4 \uc804\uccb4 \uc6b0\ubb3c\uc758 \uc815\uc0c1\uc801\uc778 \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubb34\uac8c \uacc4\uc0b0<br>[(OD - \ubcbd \ub450\uaed8)<em>\ubcbd \ub450\uaed8]<\/em>0.02466=kg\/m(\ubbf8\ud130\ub2f9 \ubb34\uac8c)<br>\uc911\uad6d\uc758 \ud2b9\uc815 \uc0c1\ud669\uc5d0 \ub530\ub974\uba74, \uc2dc\ucd94 1m\ub2f9 \uc57d 62kg\uc758 \uc720\uc815 \ud30c\uc774\ud504\uac00 \ud544\uc694\ud558\uba70, \uc5ec\uae30\uc5d0\ub294 48kg\uc758 \ucf00\uc774\uc2f1\uacfc 10kg\uc758 \ud29c\ube0c\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. 3kg\uc758 \ub4dc\ub9b4 \ud30c\uc774\ud504\uc640 0.5kg\uc758 \ub4dc\ub9b4 \uce7c\ub77c.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chemical composition(1)According to SY\/T6194-96. The same steel grade is used for the casing and its coupling. Sulfur content &lt;0.045% and phosphorus content &lt;0.045%.(2)Take chemical analysis samples according to the provisions of GB\/T222-84. Chemical analysis in accordance with the provisions of the relevant part of GB223.(3) American Petroleum Institute API SPEC 5CT 1988 1st edition regulations. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Basic matters of oil casing - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wldsteel.com\/ko\/basic-matters-of-oil-casing\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic matters of oil casing - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier\" \/>\n<meta property=\"og:description\" content=\"Chemical composition(1)According to SY\/T6194-96. The same steel grade is used for the casing and its coupling. Sulfur content &lt;0.045% and phosphorus content &lt;0.045%.(2)Take chemical analysis samples according to the provisions of GB\/T222-84. Chemical analysis in accordance with the provisions of the relevant part of GB223.(3) American Petroleum Institute API SPEC 5CT 1988 1st edition regulations. 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