Standards:GB/AMSE/ANSI B16.9/B 16.28 Types:Elbow,seamless LR&SR Dimensions: 1/2"up to 36" wall thickness:Sch10 up to STD/XS Product Elbow/pipe elbowSize 1/2-36 inchMaterialWPB A234, or according to customer s requirement.Type Butt-welded seamless carbon steel pipe elbow.Wall thicknessSCH10, SCH20, SCH30, SCH40, STD, SCHXS, SCH80, SCH120, SCH160, SCH XXS.Standard American standard: ASTM A234 WPB ...