... )3. Thickness: SCH STD, XS, XXS, SCH 10 ~ SCH 1604. Standard: ANSI B16.9, DIN, JIS, GOST17375, EN10253-1, EN10253-25 ... , SCH80, SCH100, SCH120, SCH140, SCH160, XXSMaterialCARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL3, WPL6, A860 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65, WPHY70 ... PN6-PN400, GOST PN6-PN100MaterialCARBON STEELASTM A105/N, ASTM A350 LF1/ LF2/LF3, ASTM A694 F42/F46/F52/F56/F60/F65/F70 ...