1.Standard: ASTM A179 2.OD:19.05 to 114.3mm 3.WT: customized 4.Certification:ASTM, API 5.Length is customized

Steel grades: GB6479 10, 20, 16Mn, 15MnV, 12CrMo, 15CrMo, 12Cr2Mo and 12SiMoVNbSurface treatments: oil-dip, varnish, passivity, phosphate and shot blastingApplications: for tubular heat exchangers, condensers and similar heat transfer apparatusnspection/test: chemical composition, mechanical properties (tensile strength, yield strength, elongation, flaring, flattening, hardness, impact test), surface and dimension test, no-destructive test and hydrostatic testHS Code: 7304900000high quality and service

Seamless Steel Tube