... 600)·Wall Thickness SCH5S–XXS·General Material 1) Carbon & Alloy Steel ASTM A234 WPB, WPC, WP1, WP11, WP22, WP5 ASTM A860 ... 2 B, X42, X46, X52, X56, X60, X65, X70, X80 2) Stainless Steel ASTM A403 WP304, WP304L, WP304H, WP316, WP316L, WP317L, WP321 ... requirement of type, standard, dimension, wall thickness and material. Carbon Steel Tees