... :3~30mm 3.Length:6~12m 4.Standard:ASTM,API,BS,JIS,DIN,GB 5.Certification:ISO9001 1 OIL ... Hebei XinYuanTai Steel Tube Group) Production Typesteel pipeMatetialJ55, K55, N80, Q345, A106,A53Size1/224Wall Thicknesssch40s,STD,sch60,sch80s,XS,sch80 ... ,sch100,sch140,sch160,XXSStandardGB, ANSI , JIS, DIN ,ASME ,API 5L, API5CT,etc.PackagingContainer or as per customers requirementApplications rangePetroleum ...