Carbon steel pipefittings 1.Material: ASTM A234WPB 2.Size 1/4 "---72 " 3.Thickness: SCH20, SGP, STD, SCH40, SCH80 Carbon Steel Pipe ... pipefittings Place of Origin: China Material: ASTM A234WPB1) Size: 1/2"-72" 2) Varieties: SCH20, SGP, STD, SCH40, SCH80, SCH160 3) Standard: ANSI ...