... ConditionAnnaeled&Pickling,Polished,BA, etc.Applicationpressure vessels, petrochemical industry, boiler,heat exchanger, auto parts, hydraulic ... conditioning refrigeration, electric heating appliance, electronic instrument pipeline,etc.Carbon Precision Steel pipeSpecificationO.D.:4-114mm ... C) ,BKW(+LC) ,BKS(+SR)ApplicationAutomotive pipeline system;hydraulic system of diesel engine and engineering ...