High Density Tungsten Heavy Alloy Plate WNiCu ASTM B777

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Certification:ISO 9001
Model Number:Tungsten Heavy Alloy Plate WNiCu
Minimum Order Quantity:10 kg
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High Density Tungsten Heavy Alloy Plate WNiCu ASTM B777

Tungsten Heavy Alloy Plate is also called tungsten heavy alloy because the weight of tungsten alloy is more than twice that of iron or steel. Tungsten alloys with high specific gravity are usually refractory metals with two-phase composites composed of W-Ni-Fe or W-Ni-Cu or even W-Ni-Cu-Fe. Some tungsten alloys add rare earths and/or other metals such as Co. , Mo, Cr, tungsten heavy alloys have a very high melting point, the density is twice that of steel, and more than 50% heavier than lead.


SPECIFICATIONS & CHEMICAL COMPOSITIONS (NOMINALS)

Chemical Composition90%W93%W95%W97%W
StateSinterVacuumForgeSinterVacuumForgeSinterVacuumSinterVacuum
Density
(g/cc)
16.85-17.2517.15-17.8517.75-18.3518.25- 18.85
Hardness
(HRC)
32 Max30 Max40 Min33 Max31 Max40 Min34 Max32 Max35 Max33 Max
Tensile Strength (Max)770 Min900 Min1400
Max
770 Min910 Min1440 Max735 Min920 Min700 Min850 Min
Yield Strength
(Mpa)
620 Min620 Min1280 Max650 Min650 Min1340 Max650 Min650 Min--
Elongation
(%)
5 Min15 Min5 Min5 Min12 Min3 Min3 Min12 Min2 Min6 Min

Tungsten Heavy Alloy Plate Picture:

Introduction and characteristics of Tungsten Heavy Alloy Plate

The tungsten content in tungsten heavy alloys varies from 90% to 98%, which is responsible for their high density (16.5 to 19.00g/cc). Nickel, iron and/or copper are used as a metal binder base to hold the brittle tungsten particles together, making the tungsten alloy malleable and easy to work. Nickel-iron is the most commonly used additive, with a ratio of 7Ni:3Fe or 8Ni:2Fe (weight ratio).


Common processes for preparing tungsten heavy alloys include mixing the desired amount of tungsten, iron, nickel or copper powder and then cold pressing and liquid phase sintering to almost full density. During the liquid phase treatment, the matrix tungsten alloy melts and brings some tungsten into the solution to form a microstructure through which large tungsten particles (20 -- 60μm) are dispersed in the matrix alloy.


Application of Tungsten Heavy Alloy Plate

  • The thermoelectric generator is a kind of fusion energy generating equipment that uses radioisotopes. It can use high-density tungsten alloy as a container. It has been widely used in weather stations, light buoys, sound telecommunication beacons, oceanographic research, etc.
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High Density Tungsten Heavy Alloy Plate WNiCu ASTM B777

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