WT-21 Metal Cored Wire (GMAW)
WT-21 GMAW-C • Cobalt • AWS A5.21 ERCCoCr-E
Key Features
- Cobalt, high chromium, molybdenum electrode
- Excellent for corrosion resistance, galling, cavitation, and metal-to-metal wear resistance
- Not recommended for severe abrasion
Description
Typical Applications
- Steam Valves
- Hot Shears
- Chemical and Petrochemical Valves
- Cavation Repair
- Forging Dies
Welding Positions
- Flat
Shielding Gas
- 100% Argon
| Diameters / Packaging | ||
|---|---|---|
| Diameter | 33lb (15 kg) | |
| in | (mm) | Plastic Spool |
| 0.045 | (1.2) | W1210-120X15 |
| 1/16 | (1.6) | W1210-160X15 |
| Deposit Composition | |||||
|---|---|---|---|---|---|
| %C | %Mn | %Si | %Cr | %Ni | |
| Requirements AWS AWS A5.21 ERCCoCr-E | 0.15-0.40 | 2.0 max | 1.5 max | 25-30 | 1.5-4.0 |
| Typical Results | 0.25 | 0.7 | 0.6 | 27.5 | 2.1 |
| %Fe | %Mo | %W | %Co | Harndess, RC | |
| Requirements AWS AWS A5.21 ERCCoCr-E | 5.0 Max | 4.5-7.0 | 0.50 max | Balance | Not Required |
| Typical Results | 3.9 | 5.5 | 0.1 | 59 | 24 |
