SelectWear 420-MCG
Hardsurfacing / Metal Cored / Gas Shielded
Features
- Composite metal cored electrode that deposits a martensitic steel with high hardness and good scaling and corrosion resistance
- Designed to have good resistance to fire cracking, hot wear, and corrosion
- Chemistry: Fe-Mn-Cr-C
- Multiple layers may be applied with proper welding procedure
- Machinable with carbide tools
- Good crack resistance with proper welding procedure
- Applications include: Steel mill caster rolls, idler rolls
Standard Diameters
in (mm)- 0.045 (1.2)
- 1/16 (1.6)
Welding Positions
Flat and Horizontal
Shielding
- 98% Ar/2%O₂
- 75% Ar/ 25% CO₂
- Flow Rate: 40 – 50 CFM
Polarity
Direct Current Electrode Positive (DCEP)
Hardness
45-51
| Diameter in (mm) |
Shielding Gas | Position | Wire Feed Speed in/min (m/min) |
Amps | Volts | Contact Tip to Work Distance in (mm) |
|---|---|---|---|---|---|---|
| 0.045 (1.2) | 75% Ar/25% CO₂ | Flat & Horizontal | 400 (10.2) | 250 | 27 | 3/4 – 1 (19 – 25) |
| 1/16 (1.6) | 75% Ar/25% CO₂ | Flat & Horizontal | 275 (7.0) | 300 | 27 | 3/4 – 1 1/4 (19 – 32) |
Packaging (lbs (kg))
33 (15) Spools, 60 (27.2) Coils, 500 (226.8) Round Drum, 800 (362.9) Hex Drum, 900 (408.2) Hex Drum
*Some packaging options may not be available depending on diameter and product. Special package options may be available upon request.