Tungsten-nickel-iron alloy is a tungsten-based alloy with tungsten as the hard phase and nickel and iron as the bonding phase. It is Ferro-tungsten-nickel alloy, the ratio of nickel to iron is usually 7:3 or 1:1, and the tungsten content is generally 90% to 98%.
Tungsten Nickel Iron Alloy is a special alloy made of tungsten, nickel and iron. It is available in different forms such as W-Ni-Fe plate, W-Ni-Cu rod and blocks. This alloy is characterized by its high yield strength, hardness, thermal conductivity, tensile strength and electrical resistivity.
Grade | Density | Hardness | Tensile strength | Elongation |
90W7Ni3Fe | 17.1±0.15g/cm3 | 24-28HRC | 900-1000MPa | 18%-29% |
97W2Ni1Fe | 18.50±0.15g/cm3 | 28-36HRC | 920-1100MPa | 6%-13% |
Generally speaking, as the tungsten content increases, the density, hardness and tensile strength of the W-Ni-Fe alloy increase, while the elongation decreases.
W-Ni-Fe can be processed rod,plate,tube, shaped,blocks,and various shielding parts and processing parts.
The uses of tungsten-nickel-iron alloys include making various counterweights, shielding parts, military materials and electrical components, such as gyroscope rotors for spacecraft, armor-piercing projectile cores, switch contacts and automobile crankshafts.
Specific weight (16.5-18.75g/cm3);
High strength (tensile strength is 700-1000Mpa);
Strong ability to absorb rays (under the same thickness, it is 30-40% higher than that of lead);
Large thermal conductivity (5 times that of mold steel);
Small coefficient of thermal expansion (about 1/2-1/3 of iron or steel);
Good electrical conductivity, plasticity, thermal conductivity, weldability and processability;
It has certain ferromagnetism.
We specialize in 90W-Ni-Cu alloy sheet, W-Ni-Cu rod, 95W-Ni-Fe alloy rod for shielding and other Tungsten Nickel Iron Alloy products with superior quality.
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