... , SCH100, SCH120, SCH140, SCH160, XXSMaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65, WPHY70, P235GH ... B16.9/B16.49/DIN2605/JIS B2311/EN10253 A234 WPB/A420 WPL6/WPL3/A860 WPHY42/52/60 schedule 40 butt weld ...