... -Treatment, Shipbuilding, Paper and pulp, Electric Power, etc Product NameCarbon Steel CrossSize1/2"-48" (DN15-DN1200)TypeStraight CrossWall Thickness1.5mm-85mm ... Steel (A234 WPB, ST37.0, 20#, etc)StandardASME B 16.9, MSS SP-75, EN10253, DIN2615, etcCertificateISO9001:2000, API, ISO14001, CE Carbon Steel ...