... company is a large professional supply seamless steel pipe include hot roll , cold draw ,Specially, ... seamless pipes . casing pipe etcMaterial -Carbon Steel , Alloy SteelHot roll SMLS PIPE / SIZE 2" - 30", WT-Hot finish-0 ... .250" - 4.00",Cold drawn SMLS PIPE/ SIZE 0 ... JIS G3461,3456 ETCCarbon Steel Seamless Butt Weld Pipe Fittings as per ASTM A234 Gr. WPB ...