Postalloy® DuraHard™ 2899-MCG
Postalloy® DuraHard™ 2899-MCG is a multi-purpose hardfacing overlay with good abrasion resistance, excellent toughness and good metal-to-metal wear characteristics. Deposits are not brittle and will maintain a good cutting edge without chipping. Deposits retain their hardness up to 1100 °F (593 °C).
Specifications
Product Type
- Wire
- Metal-cored
- Gas-shielded
- Deposits are slag-free
Applications
- Shear Blades
- Trim Dies
- Shearing and piercing dies
- Cutting tools
- Recycling knives
Weld Deposit Properties
- Additional:
- Deposits are slag-free
- Deposit Thickness:
- Unlimited layers with proper procedures, including preheat and interpass temperature
- Heat Resistance:
- Deposits retain their hardness up to 1100°F (593°C)
- Machinable:
- Non-machinable
- Hardness:
- 57Rc - 61Rc
Welding Parameters
Current Type: DC Electrode Positive
| Volts | Amps | Short Arc | Stick Out |
|---|---|---|---|
| 15-21 | 90-200 | .045" (1.1mm) | 1/2"(12mm) |
| 18-21 | 15-220 | 1/16" (1.6mm) | 3/4"(19mm) |
| Volts | Amps | Spray Arc | Stick Out |
|---|---|---|---|
| 27-30 | 250-325 | 045" (1.1mm) | 5/8"(15mm) |
| 27-30 | 300-375 | 1/16" (1.6mm) | 3/4"(19mm) |
Welding Procedure:
Gases: Ar/CO, Ar/Ox2
Packaging Options
| Diameter | Standard Packaging |
|---|---|
| .045" (1.1mm) | 25 lb (11.30kg) spool |
| 1/16" (1.6mm) | 25 lb (11.30kg) spool |