Stainless Steel 1.Standard: ASTM,GB,JIS,DIN 2.Grade:201,304,316 ... requests available. 3) Grade: 201,202,304,316,316L4) Standard: ASTM A5545) Product Range: Coil: width 20--620mm, thickness 0. ... 25--3.0mm;Round tube: O.D. 9.5--219mm, thickness 0.25--3.0mm;Rectangular, Square Tube: ... 6)Tolerance: thickness ±0.02mm, Diameter ±0.20mm, Length ±5.00mm7) Polishing: 400 grit, 600 grit, 240 grit, HL, ...