WT-21 Electrode (SMAW)
Electrode • Cobalt • AWS A5.13 ECoCr-B
Key Features
- Cobalt, high chromium, molybdenum
- Excellent for corrosion resistance, galling, cavitation, and metal-to-metal wear resistance
- Not recommended for severe abrasion
- These key features are universal to all WT-21 product forms
Description
Typical Applications
- Steam Valves
- Hot Shears
- Chemical and Petrochemical Valves
- Cavitation Repair
- Forging Dies
Welding Positions
- All
| Diameters / Packaging | ||
|---|---|---|
| Diameter | 10 lb (4.5 kg) | |
| in | (mm) | Carton |
| 3/32 | (2.4) | E1210-240X350 |
| 1/8 | (3.2) | E1210-320X350 |
| 5/32 | (4.0) | E1210-400X350 |
| 3/16 | (4.8) | E1210-480X350 |
| Deposit Composition | |||||
|---|---|---|---|---|---|
| %C | %Mn | %Si | %Cr | %Ni | |
| Requirements AWS A5.13 ECoCr-E | 0.15-0.40 | 1.5 max | 2.0 max | 24-29 | 2.0-4.0 |
| Typical Results | 0.23 | 0.8 | .08 | 27.7 | 2.8 |
| %Fe | %Mo | %W | %Co | Hardness, Rc | |
| Requirements AWS A5.13 ECoCr-E | 5.0 max | 4.5-6.5 | 0.50 max | Balance | Not Required |
| Typical Results | 2.4 | 5.5 | 0.05 | 59 | 28 |
