ASTM stainless steel pipe 1.Model nuber:201,202,304,316L,430,etc. 2. ... diameter :6mm-159mm 3.Thickness:0.3mm-3mm ASTM stainless steel pipe 1.Model nuber:201,202,304,316L,430,etc. 2 ... 4.Surface:Mirror,Satin/HLNameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 (Ni 0.8%),202 (Ni 3.5 ...