... XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXSMaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65 ... , WPHY70, P235GH, P265GH, ST35.8, ST37.2, PT370, PT369ALLOY STEELASTM A234 ... , GOST PN6-PN100MaterialCARBON STEELASTM A105/N, ASTM A350 LF1/ LF2/LF3, ASTM A694 F42/F46/F52/F56/F60/F65/ ...