... 304,316L,430,etc. 2.Outer diameter :6mm-159mm 3.Thickness:0.3mm-3mm ASTM stainless steel pipe 1.Model nuber:201, ... 304,316L,430,etc. 2.Outer diameter :6mm-159mm 3.Thickness:0.3mm-3mm ASTM stainless steel pipe1.Material:201,202,304, ... Diameter6mm--159mmThickness0.3mm - 3.0mmLength6m or as customers' request Tolerancea) Outer Diameter: +/- 0.2mmb) Thickness: +/- 0.02mmc) Length: +/- 5mmSurface180G, 320G, ...