Metal Spray Powder LA-7347 (-100 +325) NiCrAl 75/16/9, sintered
Coatings of LA-7347 are recommended for the build up and restoration of mismachined or worn components and as a bond coat for applications up to 1800°F
Due to the binder-less manufacturing method of these one-step thermal spray powders, these metal powder coatingsproduce very little residue while spraying.
- Material Specificaiton
- Product Application
- Useful Documents
- Equivalents
- Method
- REVIEW
Material Specificaiton for LA-7347
Chemical Compositon Requirements (By weight percent)
| Element | Minimum | Maximum | Target |
| Aluminum | 4.50% | 7.50% | 6.00% |
| Boron | - | - | - |
| Carbon | - | 0.30% | 0.15% |
| Chromium | 15.50% | 21.50% | 18.50% |
| Cobalt | - | - | - |
| Free Carbon | - | - | - |
| Iron | - | 1.50% | 0.75% |
| Manganese | - | 3.00% | 1.50% |
| Molybdenum | - | - | - |
| Nickel | BAL | BAL | BAL |
| Oxygen | - | - | - |
| Silicon | - | 2.00% | 1.00% |
| Sulfur | - | - | - |
| Tungsten | - | - | - |
| Vanadium | - | - | - |
Rotap Sizing Requirements (Weight Percent Per ASTM B214)
| U.S. Mesh Passing Sieve X Retained | - | - | Min. | Max. |
| - | - | 100 Mesh | - | 1.00% |
| 100 Mesh | X | 120 Mesh | - | 10.00% |
| 120 Mesh | X | 140 Mesh | - | - |
| 140 Mesh | X | 230 Mesh | - | - |
| 230 Mesh | X | 270 Mesh | - | - |
| 270 Mesh | X | 325 Mesh | 69.00% | - |
| 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:
- The build up and restoration of mis machined or worn components
- Bond coat for applications up to 1800°F
Equivalents:
- Metco 443
- Amdry 960
- PAC 908C
Method:
- Air Plasma Spray
- Combustion
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