Postalloy® 2512-B
Postalloy® 2512-B: Conforms to AWS CoCr-B. Slightly harder and more wear resistant than 2506-B, due to increasing level of hard chromium carbides, but its impact resistance is somewhat lower and is also tougher to machine. Higher tungsten content improves the hot hardness properties at higher temperatures. Weld deposits also have a greater tendency to relief check if welding procedures are not closely monitored.
Specifications
Product Type
- Tig
- Oxy-fuel
- Cobalt Base Hardfacing Alloy
Applications
- Saw teeth, Extrusion Dies, and Chain saw bars.
Weld Deposit Properties
- Deposit Thickness:
- 2 layers
- Hardness:
- 44Rc - 52Rc
Welding Parameters
Current Type: DC Electrode Negative
| Volts | Amps | Gas | Tig |
|---|---|---|---|
| 15-25 | 50-80 | 100% Ar | .045" (1.2mm) |
| 15-25 | 55-90 | 100% Ar | 1/16" (1.6mm) |
| 15-25 | 75-100 | 100% Ar | 3/32" (2.4mm) |
| 15-30 | 90-120 | 100% Ar | 1/8" (3.2mm) |
| 15-30 | 120-140 | 100% Ar | 5/32" (4mm) |
| 15-30 | 140-160 | 100% Ar | 3/16" (4.8mm) |
| Oxyacetylene | Tip Size | Flame |
|---|---|---|
| .045" (1.2mm) | 3 | 3x-4x |
| 1/16" (1.6mm) | 3-4 | 3x-4x |
| 3/32" (2.4mm) | 3-4 | 3x-4x |
| 1/8" (3.2mm) | 4 | 3x-4x |
| 5/32" (4mm) | 4 | 3x-4x |
| 3/16" (4.8mm) | 5 | 3x-4x |
Welding Procedure:
Packaging Options
| Diameter | Standard Packaging |
|---|---|
| All Diameters | 10 lb (4.54kg) tubes |