... hydraulic pipes, galvanized pipes & tubes ,etc.Process Methodcold drawn and cold rolledstainless steel pipe SpecificationO.D.:6-830mm × W.T.:0.5 ... . Delievery ConditionAnnaeled&Pickling,Polished,BA, etc.Applicationpressure vessels, petrochemical industry, boiler,heat exchanger, auto parts, hydraulic system, pharmaceutial machinery, ships, air ...