Stainless Welded Steel Pipe 1. Standard: GB, JIS, DIN, ASTM A312, ASTMA269, ASTM268/268M 2. Certification: ISO9001: 2008 3. Material: 304, 304L, 316, 316L, 201, 202, 4. O. D: 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 3 1/2", 4", 5", 6", 8", 10", 12", 14", 16", 18" 5. W. T: SCH5S, SCH10S, SCH40S, SCH80S 4 Stainless Welded Steel Pipe Other Features: 1) Arts and crafts: Cold-rolled; 2) Surface finish: Pickling, annealing, manual polish and mechanical polish; 3) Chemical and Physical characteristic: Durable, corrosion resistant and high-temperature resistant; 4) We also produce pipes with special specifications according to customers' requirements; 5) Certification: ISO9001: 2008