Tungsten Square Bar

Tungsten Square Bar

Tungsten square bar can be widely used in illumination, heater and the electronic mechanical engineering, making the electricity photo source, the automobile and the tractor light bulb, make lattice side rod, framework, leading wire, electrode, heater and contact materials and so on.

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Product Details

Application of tungsten square bar: 

Tungsten rods are mainly used as heater, support pillar, feeder and fastener in vacuum or reducing atmosphere high temperature furnace. Moreover, serve as light source in lighting industry, electrode in glass and tombarthite melting, and welding equipments.


Description of tungsten square bar: 

Tungsten rod can be manufactured in random length pieces or cut to meet customers' desired lengths. There are three different surface processes which are provided upon the desired end use:

1. Black tungsten rod - Surface is "as swaged" or "as drawn"; retaining a coating of processing lubricants and oxides;

2. Cleaned tungsten alloy rod- Surface is chemically cleaned to remove all lubricants and oxides;

3. Ground tungsten rod- Surface is centerless ground to remove all coating and to achieve precise diameter control.


Features of tungsten square bar: 

The outstanding feature of tungsten rod is that they can be batch operated. Among the rod-like metal materials, tungsten rod has the highest melting point. In heat, electric conduction and electron emission, it performs very well. The tungsten rod is also characterized by high density, low dilatation coefficient and lowest metallic vapor pressure.he density of our tungsten rod is higher than 18.8g/cm3; purity, 99.5%. This has met the GB 4187-84 and AKM QB/WB-2006 Standard.


Theoretical density: 19.3g/cm3

Melting Point: 3422℃

Electric condctivity: 30% IACS Min

Rigidity: 69 HRA Min


Parameters of tungsten square bar:

Diameter (mm)Length (mm)
Ø2.0 - 20.02000
Ø20.0 - 30.01500
Ø30.0 - 70.01000
Ø70.0 - 90.0800
tungsten rod.jpgtungsten bar.jpg
tungsten square bar.jpgtungsten square rod.jpg


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