Tungsten Nickel Copper Alloy
2. Catalog: Tungsten alloy
3. Material: WNiCu alloy
4. Main Components: Tungsten(W), Nickel(Ni), Copper(Cu)
5. Purity: W 90-97%
6. Density: 16.5~18.75g/cm3
7. Shape: Plate, Sheet, Rod, Bar, Block, Tube
8. Application: Radiation shielding material, Simple balancing, Electrical contact, Electrode, Gyroscope rotor, Counterweight.
9. Manufacturing process: Powder metallurgy, Sintering, Forging, Rolling, Machining
10. Standard: ASTM B 777
11. Place of origin: Luoyang, China
Tungsten Nickel Copper Alloy is a nickel-copper tungsten alloy used for electronic heat dissipation, aerospace structural components, and high-density counterweights, achieving high-density load-bearing and thermal conductivity.
Product Specification
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Tungsten Nickel Copper (WNiCu) Alloy Specification |
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Product Name |
Length (mm) |
Width (mm) |
Thickness (mm) |
Diameter (mm) |
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WNiCu Alloy Rod/ Bar |
L≤600mm |
--- |
--- |
≥1mm |
|
WNiCu Alloy Sheet/Plate |
≤600mm |
≤400mm |
≥0.15mm |
--- |
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WNiCu Alloy Block/Cube/Ring |
Maximum size is: φ550mm |
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WNiCu Alloy Ball |
--- |
--- |
--- |
≥ 1.5mm |
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All products will be produced according to customer's requirements or drawings. |
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Product Properties
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Tungsten Nickel Copper Alloy Physical and Chemical Properties |
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Grade |
Density |
Hardness |
Elasticity Modulus |
Elongation |
Tensile Strength |
Yield Strength, .2% Offset |
Thermal Expansion (20C-400C) |
Thermal Conductivity |
Electrical Conductivity |
Proportional Elastic Limit |
|
g/ cm3 |
HRC |
GPa |
% |
MPa |
PSI |
10-6/K |
CGS Units |
%IACS |
PSI |
|
|
W96Ni2Cu2 |
17.7-18.2 |
25-33 |
53 x 10E6 |
2-4 |
500-600 |
≥75,000 |
4.5 |
0.3 |
17 |
45000 |
|
W95Ni3.5Cu1.5 |
17.7-18.1 |
25-32 |
50 x 10E6 |
3-5 |
500-700 |
≥75,000 |
4.6 |
0.26 |
13 |
44000 |
|
W95Ni3Cu2 |
17.7-18.1 |
25-30 |
45 x 10E6 |
4-7 |
500-700 |
≥75,000 |
4.4 |
0.33 |
16 |
45000 |
|
W93Ni4Cu3 |
17.1-17.8 |
18-24 |
-- |
5-10 |
550-700 |
≥75,000 |
-- |
-- |
-- | -- |
|
W93Ni4.9Cu2.1 |
17.1-17.7 |
20-35 |
47 x 10E6 2 |
5-8 |
550-750 |
≥75,000 |
4.6 |
0.2 |
13 |
46000 |
|
W90Ni7Cu3 |
16.9-17.25 |
20-26 |
45 x 10E6 |
8-12 |
550-800 |
≥75,000 |
4.8 |
0.18 |
10 |
52000 |
|
W90Ni6Cu4 |
16.9-17.25 |
18-23 |
40 x 10E6 |
8-16 |
550-750 |
≥75,000 |
5.4 |
0.23 |
14 |
45000 |
|
W90Ni5Cu5 |
16.9-17.25 |
18-25 |
-- |
8-15 |
550-750 |
≥75,000 |
-- |
-- |
-- | -- |
Product Advantages
High Strength and Load Capacity
WNiCu alloy density 17.7–18.8 g/cm³, tensile strength 700–800 MPa, yield strength ≥75,000 PSI. High tungsten content provides weight and rigidity, while Ni/Cu forms solid solution strengthening, suitable for manufacturing high-strength components.
Adaptable to Complex Environments
Coefficient of thermal expansion 4–5.4 × 10⁻⁶/K, thermal conductivity 0.18–0.33 CGS Units. The low thermal expansion of the tungsten lattice combined with the thermal conductivity of the Ni/Cu alloy results in minimal dimensional changes under varying temperature conditions. Simultaneously, the low magnetic permeability ensures immunity to magnetic interference in magnetically sensitive applications.
Excellent Machinability
The high atomic number of tungsten provides shielding capabilities, while Ni/Cu increases toughness, allowing the material to be milled, forged, and welded. This facilitates the fabrication of complex shapes and precision components, while also being environmentally friendly and non-toxic.
Product Application
Electronic Shielding Components
Used in shielding housings and coil supports for high-frequency electronic equipment, their high density and low permeability reduce magnetic field interference and improve signal integrity.
Radiation Protection Materials
Used in X-ray and gamma-ray shielding panels and detector housings, their high density and high atomic number effectively absorb high-energy radiation, providing protection.
Aerospace Heavy-Duty Components
Used in missile counterweights and satellite stabilizers, their high density and high mechanical strength allow components to maintain structural integrity under high-speed impacts and loads while reducing size.
High-Temperature Heat Dissipation Components
Used in components with high heat flux and mold supports, their high thermal conductivity and low thermal expansion ensure rapid heat conduction and shape retention under temperature changes.
Product Production Process
We employ powder metallurgy technology and strictly adhere to ISO 9001 quality standards to produce tungsten-nickel-copper alloys.
The production steps include:
- Uniformly mixing tungsten oxide, nickel oxide, and copper oxide powders.
- Reducing the mixed raw materials to obtain a tungsten-nickel-copper mixed powder.
- Pressing the mixed powder into a billet.
- Sintering the billet and cooling it to room temperature to obtain the desired product.
- Post-processing can be performed according to customer requirements, such as heat treatment and machining.
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