1.It is also known as 20 # Alloy, Carpenter20Cb3, gb 0 cr20ni35mo3cu4nb, American standard N08020.2. Alloy 20 cb3 is a  corrosion resistant Alloy which has many excellent performances.It

 has good corrosion resistance to oxidizing ,excellent resistance ability to stress corrosion cracking and local corrosion .It has satisfactory corrosion resistant properties  in many chemical process medium, including aggressive strong inorganic acid solution, chlorine and various medium containing chloride, drying chlorine gas, formic acid and acetic acid, acid anhydride, seawater and brine etc. 3.Its characteristic is corrosion. It usually  used  in the Sulfuric acid

environment and  Sulfuric acid solution containing halogen ions and metal ions, such as hydrometallurgy and industrial devices.