... hs code carbon steel pipe OD: 21.3 to 610mm WT: 0.8 -14.27mm standard:API steel grade:X60 Product namehs code ... ; Max Diameter 610mm;TestChemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Metallographic Test ... , Technical Properties (Bending Test,Charpy-v Impact Test, Hydrostatic Test ...