... . Standard: ISO9001: 2008 3. O. D: 3/8"-8" Stainless Welded Steel Pipe 1. Standard: GB, JIS, DIN, ASTM A312, ASTMA269 ... ", 18" 5. W. T: SCH5S, SCH10S, SCH40S, SCH80S 4 Stainless Welded Steel Pipe Other Features: 1) Arts and crafts: Cold-rolled ...