W-Ni-Fe W-Ni-Cu Tungsten Alloy Tube
1. Description of W-Ni-Fe/W-Ni-Cu Tungsten Alloy Tube:
High density tungsten alloys are usually composed of tungsten-nickel-iron or tungsten-nickel-copper or even tungsten-nickel-copper-iron. Some tungsten alloys also add other metal elements such as cobalt, molybdenum, and cadmium. It can be made into various shapes. High specific gravity tungsten alloy tubes are usually used to make nuclear radiation shields, military products, such as counterweights for hunting guns, hunting equipment, missiles, armor-piercing projectiles, and oil drilling counterweights, etc.
Size of tungsten alloy tube according to customer's request.
2. Physical properties of W-Ni-Fe/W-Ni-Cu Tungsten Alloy Tube:
Tungsten Nickel Iron alloy:
| Chemical content% | Density (g/cm3) | Tensile strength (MPa) | Yield Strength(MPa) | Elastic Modulus (%) | Hardness Max (HRC) | Magnetic |
| W content | NiFe |
| 90 | remain | 16.85-17.25 | ≥758 | ≥517 | ≥5 | 32 | Yes |
| 92.5 | remain | 17.15-17.85 | ≥758 | ≥517 | ≥5 | 33 | Yes |
| 95 | remain | 17.75-18.35 | ≥724 | ≥517 | ≥3 | 34 | Yes |
| 97 | remain | 18.25-18.85 | ≥689 | ≥517 | ≥2 | 35 | Yes |
Tungsten Nickel Copper alloy:
| Chemical content% | Density(g/cm3) | Tensile strength(MPa) | Yield Strength(MPa) | Elastic Modulus(%) | Hardness(HRC) | Magnetic |
| W | NiCu |
| 90 | remain | 16.85-17.25 | ≥648 | ≥517 | ≥2 | 32 | Non |
| 92.5 | remain | 17.15-17.85 | ≥648 | ≥517 | ≥2 | 33 | Non |
| 95 | remain | 17.75-18.35 | ≥648 | ≥517 | ≥1 | 34 | Non |
3. Application of W-Ni-Fe/W-Ni-Cu Tungsten Alloy Tube:
Due to the high specific gravity tungsten alloy tube combines high density (density 60% higher than lead), good mechanical strength and low thermal expansion, good corrosion resistance, The tungsten alloy tube is a suitable material for constructing radiation shields because it has a high radiation absorption capacity (greater than lead), a straightforward economic cycle, high strength, and a high specific gravity.The high specific gravity tungsten alloy tube can provide the same radiation shielding ability as lead, while reducing the volume and thickness of the shielding container. Compared with lead and depleted uranium, tungsten alloy also has the advantages of non-toxic and non-polluting. High specific gravity tungsten alloy tubes are mainly used to shield medicine bottles and syringe shields.
In addition, due to the high specific gravity tungsten alloy has some other special properties, such as high density, high impact resistance and crack resistance, the high specific gravity tungsten alloy is used as a counterweight for oil drilling.
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