Military tungsten alloy cube is usually consisted of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy is added Co, Mo, Cr , etc., The most important property for tungsten alloy cube is that small volume with high density, which means it could be used in some fields need the little but heavy parts, such as the counterweights of golf club, fishing weights, counterweights for military defense, such as counterweights for hunting gun, prefabricated fragments, the missile weapons, armor piercing ammunitio; counterweights for oil logging; also some fields concerning with precision instrument, such as mobile phone vibrator, clock cube, self-winding watches, anti-vibration toll holders, flywheel weights, etc

Military tungsten alloy cube has excellent radiation resistance, electric and thermal conductibities and corrosion resistance characters with high density (16---18.5g/cm3) and good mechanical strength. It has small coefficient of expansion and large elastic modulus. Tungsten alloy cube is extensively used in military equipment.

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Of particular importance to ordnance applications are the properties of tensile strength and ductility. Tensile strength is required for alloys used in kinetic energy penetrator designed to defeat multiple space armor, for higher tensile strength, deeper armor rod penetrating under the same conditions. Besides sufficient strength the penetrator rod must remain ductile enough to endure flexure when hitting on the armor without fracture and endure greater cold working deformation to further improve strength. So tungsten alloy swaging rod with high tensile strength and good ductility is desirable for making the penetrator rod.

Tungsten alloy swaging rod is a particle composite which contains a very large percentage of nearly spherical tungsten particles embedded in a ductile matrix of nickel -iron. This composite structure results in a high density material with a useful combination of mechanical properties: high strength, moderate, ductility and outstanding thermal conductivity.

Tungsten alloy swaging rod which being made of tungsten alloy blank also possess the properties the tungsten alloy has. And tungsten alloy swaging rod has been improved the properties of tensile strength through swaging and machining. The properties above make tungsten alloy swaging rod an attractive for many military and civil applications, such as depleted uranium penetrators, bullet, armor piercing, rifle bullet, snipe rifle penetrator and so on.

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Through liner deformation (deformation amount is 27%), tensile strength, yield strength and elongation of 90% tungsten alloy swaging rod are 1200MPa, 1165MPa and 7%. We have known that deformation of forging has influence on properties of tungsten alloy. So using liner deformation, tensile strength of 90% tungsten alloy swaging rod is 1200MPa and elongation is 10%. During three times circular swaging deformation amount of 90% tungsten alloy swaging rod is increased from 16.9% to 38.9%~48.1% and strength is improved greatly too.

For material of tungsten alloy armor piercing whose aspect ratio is about 16 and tensile strength is about 1200MPa, it can meet the requirement by using liner deformation. While for newly developed tungsten alloy armor piercing whose has large aspect ratio (aspect ratio is higher or equal to 30~40) and high tenacity (σ_b≥1500MPa，δ≥8%~10%), it needs to be swaged for several times so that can meet the requirement.


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Introduction of tungsten alloy swaging rod:
Tungsten alloy swaging rod is machined by tungsten heavy alloy, so it has the good properties of tungsten heavy alloy, such as: high density, small volume, good corrosion resistance, non-toxic and environmentally friendly, etc. Tungsten alloy swaging rod is frequently swaged. After the centerless grinder process, the surface intergrity and accuracy of the diameter are improved. It can be produced in a variety of near-final shapes, but the most frequently encountered shape is cylindrical rods.

Features:
1.Tungsten alloy swaging rod's tensile strength is better than the same kind of tungsten alloy rod;
2.The diameters of tungsten alloy rod through swaging can reach 3mm or larger; 
3.The single weight of the common rod can reach 100 kilograms.

Tungsten alloy swaging rod properties:
*High density
*High melting point
*High tensile strength
*High ductility
*High temperature resistance
*Low vapor pressure
*Excellent hardness
*Superior wearing resistance
*Non-toxicity

Advantages of tungsten alloy swaging rod:
Titanium is also a popular used material for producing swaging rod. It possesses high strength, toughness, durability, corrosion resistance and biological compatibility physical qualities. However, Titanium's density is much lower than tungsten, which makes it difficult in the situation of needing high mass with limited volume. Relatively speaking, tungsten alloy swaging rod is with high density, high melting point, excellent hardness, high tensile strength, high temperature resistance, superior wearing resistance and low vapor pressure. Therefore, tungsten alloy swaging rodgradually stands out among the various swaging rod making materials.

Tungsten alloy swaging rod for counterweight:
Tungsten alloy swaging rod is the best material used as counterweight, because tungsten alloy has the properties of high density with small volume, non-toxic and environmentally friendly, high radiation resistance, high temperature resistance, etc.



Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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