304 Stainless Steel Welded Tube , A270 SS Square Tubing For Mechical Structure
Annealed Stainless Steel Welded Pipe ASTM A312 A213 A269 DIN 17458 JIS G3463
Large Diameter Stainless Steel Welded Pipe 2000mm OD ASTM, DIN, GOST, GB, JIS