... XS, XXS, SCH 10 ~ SCH 1604. Standard: ANSI B16.9, DIN, JIS, GOST17375, EN10253-1, EN10253-25. Certification: ISO9001:20086. Third party ... XS, XXS, SCH 10 ~ SCH 160MaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65, WPHY70 ... 40BAR, JIS 5K-30K, EN1092-1:2007 PN6-PN400, GOST PN6-PN100MaterialCARBON STEELASTM A105/N, ASTM A350 LF1/ LF2/LF3, ASTM A694 ...