AWS A5.28 ER90S-B3
Note on Usage
Welding Positions:
Applications
AWS A5.28 ER90S-B3 is used to weld 2.25%Cr- 1%Mo steels used for high temperature, high pressure piping and pressure vessels.
Characteristics on Usage
AWS A5.28 ER90S-B3 is used for joining carbon steel and Cr-Mo alloys.
Careful control of preheat, interpass temperatures, and postweld heat
treatment is essential to prevent cracking.
Mechanical Properties
& Chemical Compositions of all-Weld Metal
Use 100% Ar
