Postalloy® DuraHard™ 2996-SA
Postalloy® DuraHard™ 2996-SA is a non-cracking medium chrome stainless steel welding wire for submerged-arc welding. Deposit polishes in service to reduce friction and minimize wear of mating part. Provides a medium hard martensitic stainless steel deposit with good corrosion resistance, as well as metal-to-metal wear and abrasion resistance. Multiple layers can be applied crack-free. For use on carbon and alloy steels.
Specifications
Product Type
- Submerged Arc Wire
Applications
- Table rolls
- Pinch rolls
- Scale breaker rolls
- Coiler rolls
- Leveler rolls and runout table rolls
- Brake drums and packing glands
- Cable drums and sheaves
Weld Deposit Properties
- Hardness::
- 2 and 3 layers 45-50Rc
- Preheat may be required for certain low alloy, higher carbon steels
- Crack-free deposit 3/4" can be made with proper procedure
- Machinable:
- With carbide tools
Welding Parameters
Current Type: DC Electrode Positive
| Volts | Amps | Diameter | Stick Out |
|---|---|---|---|
| 26-30 | 400-500 | 1/8" (3.2mm) | 11⁄4"-11⁄2"(33-38mm) |
| 29-32 | 425-540 | 5/32" (4.0mm) | 11⁄4"-11⁄2"(33-38mm) |
Welding Procedure:
Flux: Neutral
Position: Flat
Packaging Options
| Diameter | Standard Packaging |
|---|---|
| 1/8" (3.2mm) | 500 lb (226.80 kg) drum |
| 5/32" (4.0mm) | 500 lb (226.80 kg) drum |