Tungsten Nickel Iron Alloy Bar
Tungsten Nickel Iron alloy bar is a high-density alloy suitable for high-temperature environments and applications such as bearing assembly, ballast, casting, step soldering, and radiation shielding. Lork Group is available in numerous machined shapes such as bar, ingot, ribbon, wire, shot, sheet, and foil in various dimensions. We can also produce materials to custom specifications by request.
Tungsten Nickel Iron alloy bar is typically composed of 90-97% tungsten (W), with the remainder being nickel (Ni) and iron (Fe) in ratios such as 7:3 or 6:4. This balance optimizes density and ductility.
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Properties of tungsten nickel iron alloy bar
- High density (17-18.5g/cm3)
- High melting point
- Wear resistance
- High tensile strength
- Good elongation capacity
- Low vapor pressure
- Excellent thermal stability and
- High radiation absorption capacity
- Slightly Magnetic
Due to these advantages Tungsten Nickel Iron alloy are widely used in various fields including the sports, industry and medicine, etc.
Physical and mechanical properties of Tungsten Nickel Iron Alloys
|
Alloy Type (wt%) |
90W-7Ni-3Fe |
93W-5Ni-2Fe |
95W-3.5Ni-1.5Fe |
97W-2.1Ni-0.9Fe |
|
MIL-T-21014 |
Class 1 |
-- |
Class 3 |
Class 4 |
|
SAE-AMS-T-21014 |
Class 1 |
-- |
Class 3 |
Class 4 |
|
ASTM B777-87 |
Class 1 |
-- |
Class 3 |
Class 4 |
|
Typical Density (g/cc) |
17.1 |
17.6 |
18 |
18.5 |
|
Typical Hardness RC |
25 |
26 |
27 |
28 |
|
Yield Strength Min (Mpa) |
650~850 |
650~850 |
600~750 |
620~670 |
|
Elongation % |
20~25 |
15~20 |
8~13 |
2~5 |
Applications
- Aerospace: Used in aerospace components such as balance weights, vibration dampers, and counterweights for aircraft and spacecraft due to their high density and mechanical strength.
- Defense: Employed in armor-piercing projectiles, kinetic energy penetrators, and radiation shielding materials for military vehicles and equipment due to its density and ability to withstand high-impact forces.
- Medical: Utilized in medical devices such as collimators, radiation shields, and gamma-ray collimators for radiation therapy and diagnostic imaging applications due to their ability to attenuate radiation.
- Nuclear Industry: Found in nuclear shielding, reactor components, and radiation containment systems due to its high density and resistance to radiation damage.
- Precision Instrumentation: Used in precision instruments such as gyroscopes, inertial navigation systems, and precision balance scales for their density and stability in critical applications.
- Automotive: Employed in automotive applications such as crankshaft counterweights, balancing weights, and ballasts for race cars and high-performance vehicles due to its ability to optimize weight distribution and reduce vibrations.
- Sports Equipment: Found in sports equipment such as golf club heads, fishing weights, and bicycle components for its ability to provide precise weight distribution and improve performance.
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