Metal Spray Powder LA-7337 (-140 +325) NiAl 95/5, sintered
Due to the binder-less manufacturing method of these one-step thermal spray powders, these metal powder coatingsproduce very little residue while spraying.
LA-7337 is self-bonding. LA-7337 is particularly suited as a bond coat and is also used as a build-up coating. LA-7337 is resistant to high temperature oxidation up to 1200°F.
- Material Specificaiton
- Product Application
- Useful Documents
- Equivalents
- Method
- REVIEW
Material Specificaiton for LA-7337 (-140 +325)
Chemical Compositon Requirements (By weight percent)
| Element | Minimum | Maximum | Target |
| Aluminum | 4.00% | 5.50% | 4.75% |
| Boron | - | - | - |
| Carbon | - | - | - |
| Chromium | - | - | - |
| Cobalt | - | - | - |
| Free Carbon | - | - | - |
| Iron | - | - | - |
| Manganese | - | - | - |
| Molybdenum | - | - | - |
| Nickel | 96.00% | - | 96.00% |
| Oxygen | - | - | - |
| Silicon | - | - | - |
| Sulfur | - | - | - |
| Tungsten | - | - | - |
| Vanadium | - | - | - |
Rotap Sizing Requirements (Weight Percent Per ASTM B214)
| U.S. Mesh Passing Sieve X Retained | - | - | Min. | Max. |
| - | - | 140 Mesh | - | 0.50% |
| 140 Mesh | X | 170 Mesh | - | 5.00% |
| 170 Mesh | X | 200 Mesh | - | - |
| 200 Mesh | X | 230 Mesh | - | - |
| 230 Mesh | X | 270 Mesh | - | - |
| 270 Mesh | X | 325 Mesh | 90.00% | - |
| 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:
- Build-up coating
- Erosion resistant coating on fan blades
Equivalents:
- Metco 450
- Amdry 956
- PAC 906
- NI-109
Method:
- Air Plasma Spray
- Combustion
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