Alloy 20/20Cb-3 (UNS N08020)

*Similar Grade

*Product Forms

Pipe, Tube, Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

*Brief

Alloy 20 (20Cb-3) is an austenitic stainless steel which was designed for maximum resistance to acid attacks and as such has excellent resistance to hot sulfuric acid. Alloy 20 with additions of copper and molybdenum. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion. Alloy 20 is also resistant to intergranular corrosion in the as-welded condition. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. Alloy 20 is used is a wide variety of applications from Sulfuric acid pickling tanks, racks and heating coil, Heat Exchangers, Process piping, Chemical and petroleum process equipment etc.

*Chemical Composition,%

*Typical Physical & Mechanical Property(Solution Annealed)

*Specification

*Feature

1. Excellent resistance to hot sulfuric acid

2. Resistant to intergranular corrosion in the as-welded condition

3. Chloride stress corrosion cracking resistance

*Application

1. Sulfuric acid pickling tanks, racks and heating coils

2. Phosphate coating drums and racks

3. Heat exchangers

4. Bubble caps

5. Process piping

6. Mixing tanks

7. Chemical and petroleum process equipment