Application: Oil Pipe Thickness: 4 - 49 mm Section Shape: Round Outer Diameter: 21 - 508 mm specifications: StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L-B,API 5L, X42, X52,X60,X65,X70O.D.1/2"--18"W.T. SCH10--XXSLength5m--12mEnd protectionPlastic capsOutside CoatingBlack painting, anti-corrosion oil, galvanized or as per required by customersPackingWrapped in bundles by steel strips/ ...