... , SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXSMaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60 ... , WPHY70, P235GH, P265GH, ST35.8, ST37.2, PT370, PT369ALLOY STEELASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91STAINLESS STEELASTM A403 WP304 ... .9/ASME B16.28/ASME B16.25/ASME B16.49 A234 WPB/A420 WPL3/WPL6/A860 WPHY/42/52/60/65/70 ...