... Manufacturing Standard ASME B16.9 MSS SP75 3.Dimension 1/2inch to 80inch(DN 15 to DN 2000) ... – DN 600)·Wall Thickness SCH5S–XXS·General Material 1) Carbon & Alloy Steel ASTM A234 WPB, WPC, WP1, WP11, WP22, ... ASTM A420 WPL6 ASTM A515 ASTM A516 API 5L PSL 1 A25, A, B, X42, X46, X52, X56, ... X46, X52, X56, X60, X65, X70, X80 2) Stainless Steel ASTM A403 WP304, WP304L, WP304H, WP316, WP316L, WP317L, WP321, ...