... A312,A249,A269,A270 From the nature, To the excellenceNamewelded stainless steel pipeItemsSquare pipes, round pipes, oval pipes, special shaped pipes, ... Satin / Hairline400G, 500G, 600G or 800G Mirror finishApplicationDecoration, construction, Sanitary, food industry, upholstery, industry instrument TestSquash test, extended test, water ... time is 3 days for price usually.welded stainless steel pipe