Description: 1. Standard: ASTM A554, JIS G3446. 2. Grade: 201, 202, 301, 304, 304L, 316,316L 3. Outer diameter (mm): Round Tube/pipe: 9.5, 12.7, 16, 17, 18, 19, 20, 22, 23, 25, 28, 32, 36, 38, 47, 51, 60, 63, 73, 76, 89, 102, 114, 133, 141, 159, 219 4. Wall thickness: Round Tube/pipe: 0.25mm to 3.0mm 5. Tolerance: a) Outer diameter: +/-0.15mm b) Thickness: +/-10% c) Length: +/-4.8mm - 0mm 6. Surface: polish, hairline, satin finish. 7. Application: Structural, decoration (fencing, railing, balcony balustrades, antitheft doors/ windows, gate fittings, staircases, furniture fittings, sanitary wares fittings, kitchen wares fittings, mechanical fittings, tripod for camera, etc).