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Nickel Iron Tungsten Alloy Products Tungsten Heavy Alloy Parts
Application
* Astronavigation, The aviation industry, e.g.: Gyro Rotor ;
Feature
1. High density
2. High wear-resistant
3. High thermal conductivity with low thermal expansion coefficient
4. High vibration-damping capacity and high Young's modulus
5. High oxidation resistance and corrosion resistance
Parameters
AMS-T-21014 | Class 1 | Class 2 | Class 3 | Class 4 |
Composition | 90W7Ni3Fe | 92W5Ni3Fe | 95W3Ni2Fe | 97W2Ni1Fe |
Density (g/cm3) | 17.1±0.15 | 17.50±0.15 | 18.10±0.15 | 18.50±0.15 |
Heat Treatment | Sintering | Sintering | Sintering | Sintering |
Tensile Strength (Mpa) | 900-1000 | 900-1000 | 920-1100 | 920-1100 |
Elongation (%) | 18-29 | 16-26 | 10-22 | 6-13 |
Hardness (HRC) | 24-28 | 25-29 | 27-32 | 28-36 |
Mil-T-21014 | Class1 | Class2 |
Composition | 90%W, 6%Ni4%Cu | 95%W, 3.5%Ni 1.5% Cu |
Density (gm/cc; lbs/in3) | 17;0.614 | 18;0.65 |
Hardness (RC) | 24 | 27 |
Ultimate Tensile Strength (PSI) | 110,000 | 110,000 |
Yield Strength, 2% Offset (PSI) | 80,000 | 85,000 |
Elongation (% In 1“) | 6 | 7 |
Proportional Elastic Limit (PSI) | 45,000 | 45,000 |