oil casing pipe 1.OD:114.3-508.4mm 2.WT:1.24-100mm 3.standard:API J55, API K55, API N80, API L80, API ... oil casing pipeThickness1.24-100mmOuter diameter114.3-508.4mmApplicationOil,gas,water and other liquid transportation or constructionStandardGB JIS ASTM AISI DINMaterialJ55, K55, N80, L80, C90, C95, P110PackageStandard seaworthy packing or as the customers' requirementCertificationISO , API, ...