... 8-323.9mm to 5Mpa Type bs1378 galvanized steel pipe Size21.3-219mm(O.D)Wall thickness2.5-7 ... skills.Our company is a large professional supply seamless steel pipe include hot roll , cold draw ,Specially, heavy ... WT-Hot finish-0.250" - 4.00",Cold drawn SMLS PIPE/ SIZE 0.875" - 18",WT-Cold drawn/0.035" ... JIS G3461,3456 ETCCarbon Steel Seamless Butt Weld Pipe Fittings as per ASTM A234 Gr. WPB ANSI B16.9,DIN ...