Postalloy® DuraHard™ 2898-FCO
Abrasion resistant. Postalloy® DuraHard™2898-FCO is a general purpose flux-cored, open-arc hardfacing wire providing a good combination of abrasion resistance and toughness. Use for metal-to-metal-to-earth wear applications. Use to overlay carbon and low alloy steel and manganese steel. Multiple layers can be applied with proper preheat and inter-pass temperature.
Specifications
Product Type
- Wire
- Open-arc
- Flux-cored
Applications
- Tillage tools
- Bulldozer blades and end bits
- Conveyor screws
- Dragline scrapers
- Backhoe buckets
- Dragline chain idlers
- Clamshell buckets
- Agitator bearings and shafts
- Shovel and dragline bucket lips and teeth
- Sprockets
- Tractor grousers
- Gudgeon hangers and pins
Weld Deposit Properties
- Additional:
- This alloy may relief check (depending on type of base metal, thickness, etc.) Non-cracking with proper preheat and post-heat temperatures.
- Deposit Thickness:
- Unlimited layers with proper procedures, including preheat and interpass temperature
- Machinable:
- Non-machinable must be ground
- Hardness:
- 55Rc - 59Rc
Welding Parameters
Current Type: DC Electrode Positive
| Volts | Amps | Diameter | Stick Out |
|---|---|---|---|
| 21-27 | 100-200 | .045" (1.1mm) | 3/4"-1¼"(19-32mm) |
| 23-28 | 1/16" (1.6mm) | 150-300 | |
| 25-30 | 7/64" (2.8mm | 325-500 |
Welding Procedure:
Product Equivalent:
Electrode: Postalloy® 21 Flux-coated Electrode,
Packaging Options
| Diameter | Standard Packaging | Standard Packaging Available |
|---|---|---|
| .045" (1.1mm) | 25 lb (11.30kg) spool | 55 lb (25kg) coil |
| 1/16" (1.6mm) | 25 lb (11.30kg) spool | 55 lb (25kg) coil |
| 7/64" (2.8mm) | 55 lb (25kg) coil |