... stainless steel pipes,seamless steel pipes,cold-drawn or cold-rolled precision seamless and welded pipes,phosphated hydraulic pipes, galvanized pipes & tubes ,etc.Process ... , DIN17456,DIN17458, etc. Delievery ConditionAnnaeled&Pickling,Polished,BA, etc.Applicationpressure vessels, petrochemical industry, boiler,heat exchanger, auto parts, hydraulic system, pharmaceutial ...