Tungsten Nickel Copper W-Ni-Cu Alloy
Tungsten-nickel-copper alloy refers to an important class of tungsten-based heavy alloys, tungsten in the addition of nickel, copper alloys and on the basis of the addition of other metal elements in the alloy, adding nickel-copper ratio is generally 3:2. Added nickel-copper ratio is generally...
Description
Tungsten-nickel-copper alloy refers to an important class of tungsten-based heavy alloys, tungsten in the addition of nickel, copper alloys and on the basis of the addition of other metal elements in the alloy, adding nickel-copper ratio is generally 3:2. Added nickel-copper ratio is generally 3:2.
Added nickel-copper ratio (weight) is generally 3:2. and tungsten-nickel-iron alloy comparison, because copper does not have nickel, iron activation of sintered tungsten, therefore, its sintered density is slightly lower, the strength and plasticity of the poor, generally do not carry out heat treatment and deformation processing.
Products Description
Tungsten Nickel Copper Alloy (W-Ni-Cu Alloy) Specification:
| ASTM B777-15 | Non-magnetic Class 1 |
Non-magnetic Class 2 |
Non-magnetic Class 3 |
Magnetic Class 1 |
Magnetic Class 2 |
Magnetic Class 3 |
Magnetic Class 4 |
| AMS 7725E | Type 1 Class 1 |
Type 1 Class 2 |
Type 1 Class 3 |
Type 2 Class 1 |
Type 2 Class 2 |
Type 2 Class 3 |
Type 2 Class 4 |
| MIL-T-21014 Rev D | Class 1 | Class 2 | Class 3 | Class 1 | Class 2 | Class 3 | Class 4 |
| SAE-AMS-T-21014 | Class 1 | Class 2 | Class 3 | Class 1 | Class 2 | Class 3 | Class 4 |
| Tungsten (wt%) | 90 | 93 | 95 | 90 | 92.5 | 95 | 97 |
| Binder | Ni/Cu | Ni/Cu | Ni/Cu | Ni/Fe | Ni/Fe | Ni/Fe | Ni/Fe |
| g/cm3 | 17.10 | 17.60 | 17.90 | 17.10 | 17.50 | 18.10 | 18.50 |
| lb/in3 | 0.62 | 0.64 | 0.65 | 0.62 | 0.63 | 0.65 | 0.67 |
| Hardness, HRC | 24 | 24 | 24 | 27 | 24 | 24 | 25 |
| Mpa | 675 | 650 | 680 | 645 | 645 | 660 | 660 |
| ksi | 100 | 95 | 100 | 95 | 95 | 95 | 95 |
| Mpa | 805 | 830 | 805 | 875 | 900 | 910 | 915 |
| ksi | 116 | 120 | 116 | 126 | 130 | 131 | 132 |
These alloys are non-ferromagnetic, relatively good electrical and thermal conductivity, often used in some special requirements of the occasion, such as gyroscope rotor and other requirements under the action of the magnetic field of the work of the device and instrumentation parts; high-voltage electrical switches, electrical contacts, as well as some of the electrodes used for electrical processing, etc.
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