Postalloy® 2993-SA
Postalloy® 2993-SA is a non-cracking low alloy tubular welding wire for submerged-arc welding. Provides a medium hardness martensitic steel deposit with good metal-to-metal wear and moderate abrasion resistance. The deposit has good metal-to-metal wear characteristics. Multiple layers can be applied crack-free. For use on carbon and alloy steels.
Specifications
Product Type
- Submerged Arc Wire
Applications
- Oilfield brake rims
- Mine car wheels
- Crane wheels
- Tractor undercarriage idlers and rollers
- Tractor rails
- Chains and drive sprockets
- Electric shovel cable sheaves
- Shovel track pad
- Cable drums
- Cable sheaves
Weld Deposit Properties
- Hardness::
- 2 and 3 layers 41-44Rc
- Preheat may be required for certain low alloy, higher carbon steels
- Deposits can be flame-cut
- Machinable:
- Yes
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 |