... . size: 1/2"-48"2.w.t.: SCH10-SCH160,SGP,STD,XS,XXS,3.material : ASTM A234 WPB , DIN , JIS, EN10253 ... welded -Caps,4. Wall thickness: From Sch5 up to Sch160/STD/XS/XXS5. Material Grades: A403,WP304, WP304L, Wp316, WP316L, A234WPB ... (Seamless Pipe Fittings),Form16 to 72(Seam Pipe Fittings)ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH 160 Material Code:1 CARBON ...