Tungsten Heavy Alloy (WNIFE) Rod
Description
The density of tungsten heavy alloy rod ranges from 16.7g/cm3 to 18.8g/cm3. Its hardness is higher than other rods. Tungsten heavy alloy rods have characteristics of high temperature and corrosion resistance. In addition, tungsten heavy alloy rods have super high shock resistance and mechanical plasticity.
Tungsten heavy alloy rods are often used for making hammer parts, radiation shielding, military defense equipment, welding rods and extrusion models. It also is one of the materials to produce weapons and ammunition.
Properties
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Density and Hardness Properties, ASTM B777 |
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| Class | Tungsten Purity, % | Density, g/cc | Hardness, Rockwell"C", max |
| Class 1 | 90 | 16.85-17.25 | 32 |
| Class 2 | 92.5 | 17.15-17.85 | 33 |
| Class 3 | 95 | 17.75-18.35 | 34 |
| Class 4 | 97 | 18.25-18.85 | 35 |
| Mainly of tungsten adds powder such as copper, nickel or iron. | |||
|
echanical Properties, ASTM B777 |
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| Class | Tungsten Purity, % | Ultimate Tensile Strength | Yield Strength at 0.2% Off-set | Elongation,% | ||
| ksi | MPa | ksi | MPa | |||
| Class 1 | 90 | 110 ksi | 758 MPa | 75 ksi | 517 MPa | 5% |
| Class 2 | 92.5 | 110 ksi | 758 MPa | 75 ksi | 517 MPa | 5% |
| Class 3 | 95 | 105 ksi | 724 MPa | 75 ksi | 517 MPa | 3% |
| Class 4 | 97 | 100 ksi | 689 MPa | 75 ksi | 517 MPa | 2% |
| Mainly of tungsten adds powder such as copper, nickel or iron. | ||||||
Features
Besides the high density and radiation absorption, many valuable properties associated with the high hardness and resistance have been used in a large number of applications. Tungsten heavy alloy belongs to refractory metal alloys which are extraordinarily resistant to heat and wear. Tungsten heavy alloy has been primarily used to make components that required high wearing resistance such as machining tools including lathes and dices.
It gets a little reduction in its characteristics even at high temperatures and has excellent wear resistance. Therefore, Tungsten alloys are used for the machining tools such as lathes, milling machines, etc., and manufacturing automobile parts such as engines, transmissions, steering, etc., which contribute to an improvement of machining accuracy.
Low thermal expansion
High thermal and electrical conductivity
High arc resistance
Low consumption
Applications
Tungsten heavy alloy is excellent in applications requiring high performance in corrosion resistance, density, machinability, and radiation shielding. Therefore, this makes it ideal for use in specified steelmaking, mining, aerospace, and medical industries.
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