Tungsten alloy blocks

Tungsten alloy cubes are a block of tungsten alloys with high density, good compressive strength, oxidation resistance, good electrical and thermal conductivity and corrosion resistance and high density (16 g/cm3 to 18.5 g/cm3), much higher than nickel, titanium and lead. Tungsten alloy cubes also have good tensile strength, coefficient of expansion and large elasticity. It is used in the military as a filling material for armour-piercing ammunition cores and various counterweights.

Chinese name: Tungsten alloy block

Shape: Block

Characteristics: High density, good compressive strength

Density: 15.8-18.50 g/cmm³

Composition: w: 85-97%, W-Ni-Fe, W-Ni-Cu

Performance of Tungsten alloy cubes

  1. Tungsten alloy blocks have very good physical and chemical properties such as high density, hardness, ductility and resistance to high temperature corrosion.
  2. Density: The density of tungsten alloy cubes can reach 18.5 g/cm^3 which is twice that of the equivalent steel material, giving tungsten alloy a great advantage in the counterweight sector.
  3. Good ductility: blocks made from W-Ni-Fe high density alloys have good ductility and can reach elongation of 10%-15% in the sintered state, which can be increased to 20%-30% by vacuum or atmospheric dehydrogenation.
  4. High tensile strength: the tensile strength of tungsten alloy plate in the sintered state is 800~1000 MPa, and its strength can be increased to 1300~1500 MPa after heat treatment and deformation processing treatment.
  5. Good electrical properties: The material has good electrical properties such as electrical conductivity, corrosion resistance and high voltage resistance.
  6. Good thermal conductivity and low coefficient of linear expansion: its thermal conductivity is 5 times that of mould steel, and its coefficient of linear expansion is only 1/2 to 1/3 that of iron or steel.
  7. Good corrosion resistance and oxidation resistance.
  8. Good weldability: the high density alloy can be brazed with copper and silver solder and can be plated.

Composition and specifications of tungsten cube

1. Size: 3.0mm-100.0mm
2. Density: 15.8-18.50 g/cm3
3. Composition: Tungsten content: 85-97%, W-Ni-Fe, W-Ni-Cu
4. Surface: Sintered or finished
5. Applications: counterweight, military defence

Production process of tungsten cube

Tungsten alloy cubes are manufactured by a metal injection moulding process that produces superior precision components compared to conventional machining methods. Tolerances of 0.1 to 0.5 % can be achieved in the direct production of small, complex shaped tungsten blocks of approximately 0.1 to 200 grams compared to cast, powder metallurgical and metal injection moulded parts, as opposed to small tungsten cubes with densities of up to 95 to 97 %. Material utilisation with no or only trace machines can be as high as 97 %, while the general dimensions are manufactured with tight tolerances, good repeatability and adjustable material composition, high surface finish of fine parts, improved strength and heat treatment resistance.

Applications of tungsten cube

Tungsten alloy cubes are used in two main applications, counterweight and military applications.
Tungsten alloys have a high density twice that of equivalent steel and are not harmful to the environment compared to lead, so they are used in a wide range of counterweight applications. They are used in a wide range of counterweight applications, such as aircraft counterweights, submarine counterweights, racing car counterweights, weapons counterweights and sports equipment counterweights.
In the military, tungsten alloy cubes are used as a filling material for armour-piercing ammunition cores. Because of its high tensile strength, tungsten alloy cubes have a great impact on the performance of armour-piercing ammunition. Tungsten alloy can also be used as a counterweight for weapons to reduce the recoil of heavy weapons, etc.

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