Tungsten Carbide Nickel Powder – 90WC 10Ni – LA-3271S-25 (-325 +15u) WC-Ni 90/10, agglomerated and sintered
Appropriate for applications under 1000°F. The Ni matrix provides for a higher corrosion resistance than Co.
Wear resistant thermal spray coatings of tungsten carbide are used for their hardness and wear resistance. When choosing a tungsten carbide powder, the particle size and type of carbide selected are important in determining the correct material to combat various forms of erosion, abrasion and wear. Whereas the amount of metal matrix in the coating (nickel, cobalt, or alloy) will depend on the toughness and abrasion resistance required.
- Material Specificaiton
- Product Application
- Useful Documents
- Equivalents
- Method
- REVIEW
Material Specificaiton for LA-3271S-25 (-325 +15u) WC-Ni 90/10, agglomerated and sintered
Chemical Compositon Requirements (By weight percent)
| Element | Minimum | Maximum | Target |
| Aluminum | - | - | - |
| Boron | - | - | - |
| Carbon | 5.20% | 5.70% | 5.45% |
| Chromium | - | 2.00% | 1.00% |
| Cobalt | - | 1.00% | 0.50% |
| Free Carbon | - | - | - |
| Iron | - | - | 0.50% |
| Manganese | - | - | - |
| Molybdenum | - | - | - |
| Nickel | 9.00% | 12.00% | 10.50% |
| Oxygen | - | - | - |
| Silicon | - | - | - |
| Sulfur | - | - | - |
| Tungsten | 85.80% | - | 85.80% |
| Vanadium | - | - | - |
Rotap Sizing Requirements (Weight Percent Per ASTM B214)
| U.S. Mesh Passing Sieve X Retained | - | - | Min. | Max. |
| - | - | 140 Mesh | - | - |
| 140 Mesh | X | 170 Mesh | - | - |
| 170 Mesh | X | 200 Mesh | - | - |
| 200 Mesh | X | 230 Mesh | - | 0.00% |
| 230 Mesh | X | 270 Mesh | - | 1.00% |
| 270 Mesh | X | 325 Mesh | - | 5.00% |
| 325 Mesh | X | D | 94.00% | - |
Sub-Sieve Sizing Requirements (Volume Percent Per ASTM B822)
| Micron Channel | Min | Max |
| -15 μ | - | 5.00% |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
Physical Properties Requirements
| Testing Procedure | Minimum | Maximum |
| Hall Flow (per ASTM B213) | - | - |
| Apparent Density (per ASTM B212) | - | - |
| Mean Value (per ASTM B222) | - | - |
| D10 (per ASTM B222) | - | - |
| D50 (per ASTM B222) | - | - |
| D90 (per ASTM B222) | - | - |
These products are ideal for:
- Ball Valves
- Gate Valves
- Various types of Oil and Gas Equipment
- Parts used underwater
Equivalents:
- 1310VM
- JK-6189
- Amperit 547.074
- Woka 3301
Method:
- HVOF
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