Standard:astm, asme, gost, jis, din, Size:od:0.12----830 mm Wt:0.05---40 mm Finish condition: pickled, annealed, polished Application: used in industries of petroleum, petroleum chemical, chemical, engineering machinery, nuclear power, boiler, heat exchanger, ship building, paper-making, textile, chemical fiber, machinery, medical appliance, food machinery and environment protection packing : according to customersí» requirements (for example: ends capped, varnish coating, bundles with steel strips)packing: in bundles or seaworthy wooden cases.