Thickness: 0.3-3.0 mm Outer Diameter: 6-159 mm Standard: JIS, AISI, ASTM, GB, DIN, EN Place of Origin: China Brand Name: xiangdangdang Model Number: 200 300 Series Type: Welded Seamless Steel Grade: 200 300 Series Application: decoration,construction,furniture etc. Certification: ISO Welding Line Type: ERW Tolerance: �±3% Processing Service: Welding, Cutting Grade: stainless steel Shape: Round.Square.Rectangle.Slot etc. Surface: 180G, 320G, 400G Satin / Hairline Finish: 400G, 500G, 600G or 800G Mirror finish