... crevice corrosion performance3. Good anti-oxidation and non-oxidzing heat acid performance4. Good mechanical performance in both room ... , container, basket,chain and so on.2. Cooling heat exchanger, marine product pipeline system and gas pipeline of acidic ... .3. Heat exchanger, steam machine, washing, impregnation pipe, etc. for phosphoric acid produce 4. Oil refining in the air heat exchanger5. ...