1.Material:201,202,304,316L,430,etc 2.High quality 3.favorable price Nameseamless stainless steel pipe StandardASTM A554, A249 and A270, A53 Material Grade201 ( Ni 0.8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%),316L (Ni10%~14%),430Outer Diameter4mm--280mmThickness1~40mmLength6m or as customers' requestTolerancea) Outer Diameter: +/- 0.2mmb) Thickness: +/- 0.02mmc) ...