... 3000lb 6000lb 9000lb 4.ISO9001-2000/SUV Specifications1.Size:1/4-8" 2.Material:A105 304L 316L 3 ... 2000/SUV Product name:Pipe fitting stainless steel union· Country of origin: China· Carbon steel: A234 WPB. A105, WPI 5L ... WPHY-52, WPHY-60, WPHY-65, and WPHY-70· Alloy steel: A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91, ... /WP304L/WP304H/WP316/WP316L/WP317L/WP321· Sizes: 1/4 to 8 inches· Pressure: Butt weld ...