... Satin polish,#80, #18, #240, # 320 AISI 304 stainless steel pipe: NameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ... Satin / Hairline400G, 500G, 600G or 800G Mirror finishApplicationDecoration construction, upholstery, industry instrumentTestSquash test, extended test, water pressure test, crystal rot test ... is 3 days for price usually. AISI 304 stainless steel pipe