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
|