BW C.S Pipe Fittings: 1.Size:1/2" to 56" 2.Thickness:SCH10/20/40/80/160/STD/XL ... 3.Standards:ASTM A234/DIN,KS1522,B BW C. ... Tees, Reudcing Tees, Concentric Reducers, Eccentric Reducers, Caps etc. to ANSI, ASTM,JIS, KS, DIN, BS & EN standards ... . Size:1/2" to 24" for seamelss.26" to 56" for welded fittingsThickness:SCH10/20 to 160/STD/XXSMaterials&Standards: ...