Metal Spray Powder LA-4781-13 (-100 +325) FeNiAl 51/38/11, sintered
Coatings of LA-4781-13 are dense and can be used in oxidation resistant applications under 1500°F. It is an excellent choice for Thermal Spray Repair. LA-4781-13 has self-bonding properties similar to LA 7337 but exhibit greater machinability, wear and oxidation resistance.
Due to the binder-less manufacturing method of these one-step thermal spray powders, these metal powder coatings produce very little residue while spraying.
- Material Specificaiton
- Product Application
- Useful Documents
- Equivalents
- Method
- REVIEW
Material Specificaiton for LA-4781-13
Chemical Compositon Requirements (By weight percent)
| Element | Minimum | Maximum | Target |
| Aluminum | 8.00% | 12.00% | 10.00% |
| Boron | - | - | - |
| Carbon | - | - | - |
| Chromium | - | - | - |
| Cobalt | - | - | - |
| Free Carbon | - | - | - |
| Iron | - | - | - |
| Manganese | - | - | - |
| Molybdenum | - | - | - |
| Nickel | 36.00% | - | 36.00% |
| Oxygen | - | - | - |
| Silicon | - | - | - |
| Sulfur | - | - | - |
| Tungsten | - | - | - |
| Vanadium | - | - | - |
Rotap Sizing Requirements (Weight Percent Per ASTM B214)
| U.S. Mesh Passing Sieve X Retained | - | - | Min. | Max. |
| - | - | 100 Mesh | - | 0.50% |
| 100 Mesh | X | 120 Mesh | - | - |
| 120 Mesh | X | 140 Mesh | - | 10.00% |
| 140 Mesh | X | 230 Mesh | - | - |
| 230 Mesh | X | 270 Mesh | - | - |
| 270 Mesh | X | 325 Mesh | 74.50% | - |
| 325 Mesh | X | D | - | - |
Sub-Sieve Sizing Requirements (Volume Percent Per ASTM B822)
| Micron Channel | Min | Max |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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:
- Excellent choice as a bond coat.
- To restore dimensions to mis-machined and worn parts
Equivalents:
- Metco 452
Method:
- Air Plasma Spray
- Combustion
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