... , sch80sStandardANSI B16.9, ANSI B16.11, ANSI B16.5;ASTM A234,ASTM403,ASTM312,ASTM802,ASTM182,ASTM694,ASTM961,ASTM105,ASTM216 etcJIS ... ,St.35.8,API 5L GR.B, X42,ASTM A860,ASTM A694,ASTM A420 WPL6, WPL3Stainlesssteel:ASTM A403 WP304, A403 WP304L, A403 WP316, A403 ... WP316L, A403 WP321,ASTM A182 F 304, 304L,316, ...