... .25-3.5mm 3.Surface:Mirror,Satin/HL 310S Stainless Steel Pipe NameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ... Mirror finishApplicationDecoration construction, upholstery, industry instrumentTestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical Composition ... time is 3 days for price usually. 310S Stainless Steel Pipe