... .Material:CS,SS,ALLOY STEEL 4.ISO a860 wphy-52 elbow pipe fitting1. Material: Carbon Steel, Stainless steel, Alloy ... XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXSMaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65 ... ST35.8, ST37.2, PT370, PT369ALLOY STEELASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91STAINLESS STEELASTM A403 WP304/304L/304H, ...