... Steel Coil Hot Dip Galvanized Steel Coil : Outer diameter:21.3-219mm Wall thickness: ... eccentric Reducers,seamless and welded -Caps, Wall thickness: From Sch5 up to Sch160/STD/XS/XXSMaterial Grades: A403,WP304, WP304L, Wp316 ... , WP316L, A234WPB,Dimensions: Seamless: from 1/2' up to 24' Welded: From 1/2' up to 72' Packaging: Wooden Cases painted black ...