Stainless steel welded tubes include ASTM A554, ASTM A269, ASTM A249, ASTM A270.Steel grade: 200 series, 300 series, 400 series. Detailed product ... Round, square, rectangular, oval, channel U, etc. 2. Finish: 180#, 320#, hairline, satin, mirror, etc. 3. OD: 6mm to 273mm for round ... a soft poly bag into bundle with knitted bag or steel crate, or wooden case. 8. Application: Decoration, furniture, ...