We, JS Fittings, supply steel pipe bend with below ranges: Manufacturing standard: AISI B16.49 Material: Carbon steel, Alloy steel, Stainless steel Material standards: ASTM A234 WPB, WPC, WP1, WP5, WP9, WP11, WP22, WP91; ASTM A403 304/304L, 316/316L. Outer Diameters: 1/2'' to 48''. DN15 to DN1200 Radius range: R=2D, 2.5D, 3D, 5D, 6D, 7D Degree range: 45 degree, 60 degree, 90 degree and customized. Wall thickness: SCH 10, SCH 40, SCH80 Coatings: Black paint, galvanized, epoxy coated, 3PE, FBE