stainless Steel pipes 304 1.Material:201,202,304,316L ... Thickness:0.25-3.0mm 3.Good quality, NameStainless Steel pipes 304StandardASTM A554, A249, A269 and A270, A312 A304Material ... construction, upholstery, industry instrumentTestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical ... have any question pls add trademanger :cn1001032275 stainless steel pipe 304