... . Good stress corrosion cracking resistance performance2. Good resistance for pitting and crevice corrosion performance3. Good anti-oxidation and ... than 550.Typical application field1. Sulfuric acid factory usage for heating pipe, container, basket,chain and so on.2. ... environment.3. Heat exchanger, steam machine, washing, impregnation pipe, etc. for phosphoric acid produce 4. Oil refining in the air ...