seamless steel tube pass the API 5CT/API 5L/ISO9001 quality management system certification.Obtain qualifications,use API emblem

Technical standard:1) ASTM A532) ASTM A1063) API 5L4)API 5CT5) EN 102106) GB/T8163-19997)ISO 9001Grades:1)J55,K55,N80,P110,L802)ASTM A106 GR.A ,A106 Gr.B,A53 Gr.A,A53 Gr.B,ASTM ,A179-C,A214-C,A192,A226,A315-B,A178-C,A210-A-13)STFA410,STB340,STB410,STPG370STPG38,STPG410STPG42,STPT370,STPT410,STS38,STB30,STB33, STB354)DIN 17175 ST35.8,DIN 17175 ST45.8,DIN 1629 ST35,DIN 1629 ST45,DIN1626 ST37,5)10#,20#,37Mn5,36Mn2VOther steel grade is available as per clients requirements.Ordinary Sizes: 1) Outsider diameter: 60 - 273mm2) Wall Thickness: 4- 30mm3) Length:6-24meters4) Pipe Thread Type:EU,NU,LTC,STC,BTC,VAM5)Beveled/plain end or varnished as per clients confirmation Other specifications available according to customers' requirements Application: Generally for conveying gas and oil in both oil and natural gas industries  Marking:as per customers' requirement(Hard marking or spray marking)Chris LiuTianJin Master Seamless Steel Pipe Co., LtdMob:+86-22-13652086027 +86-22-13612025515Tel:+86-22-88610332,28619678Fax:+86-22-28619678

steel coupling