... pipe material: carbon steel A234 WPB ANSI B16.9 standard: ASTM, ASME, GB, JIS,DIN, BS ISO9001/9002 ItemCatalogDescription1ProductsFlange,Elbow,Tee,Reducer,Cap ... WP304L/316L/321H,A182 F304HMTP316L,A358 etc5TechnicsPushing,Forged,Pressing,Cold Drawn,Casting,etc6ShapeEqual,Round,Reducing7ConnectionRF, ... transportation pipeline 2. Casing Tube 3. Boiler Pipe 4. Petroleunm and natural gas industry 5. ...