POSTALLOY® 2832-SPL
A premium chromium carbide alloy that has a high volume fraction of carbides dispersed in a hard matrix.
For applications involving high abrasion and mild or moderate impact.
Deposit polishes in service and are hear resistant to 1000 ºF (531 ºC).
Use on carbon and low alloy steels, manganese steels.
Specifications:
|
Wire Type: |
Metal-cored, open-arc or gas-shielded.
Deposits are slag-free. |
Weld Deposit Properties:
- Average Hardness: 58 - 62 Rc per ASTM E.18.0 & Mil 2540.0
- Deposit Thickness: 1 to 2 layers.
- Deposits cannot be flame cut.
- Deposits will check-crack to relieve stresses.
Applications:
- Scrapper blades.
- Auger flights.
- Road ripper teeth.
- Screw conveyors.
- Bucket teeth bucket sides and bottoms.
- Mixer blades.
- Tillage tools.
- Fan blades.
Welding Parameters - DC Straight or Reverse Polarity
|
Diameter |
045" (1.2mm) |
1/16"(1.6mm) |
7/64"(2.8mm) |
|
Current amps |
140-200 |
170-300 |
250-450 |
|
Voltage (DCRP) volts |
18-24 |
22-28 |
26-30 |
|
Stickout inch (mm) |
3/4"-1"(18-25mm) |
1"-1½ "(25-35mm) |
1½ "(40mm) |
|
Gas Flow cfh (l/hr) |
NA |
NA |
NA |
When welding out of position, use .045 with reverse polarity and the lower range of amperages and voltages.
Weld vertical down with 3/4"(18mm) wide weave beads. A gas cover will be helpful, especially when using a constant current power source and voltage-sensing feeder.
Packaging:
|
Diameter |
.045" (1.2mm) |
1/16" (1.6mm) |
7/64" (2.8mm) |
|
25 Lb. Spools |
Standard |
Standard |
NA |
|
55 Lb. Coils |
NA |
Available |
Standard |
|
110, 220 Lb. Drums |
Available |
Available |
Standard |
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