Stainless Steel Pipe: 1.Material:201,202,304,316L,430,etc 2 ... .Surface:Mirror,Satin/HL From the nature, To the excellenceNameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ( Ni ... finishApplicationDecoration construction, upholstery, industry instrumentTestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical Composition of ...