Tungsten (W) Evaporation Material

Tungsten evaporation material introduction

Tungsten is a remarkable metal known for its exceptional strength, high melting point, and excellent resistance to heat and wear. It is a dense, heavy metal with a lustrous silver-gray appearance. Tungsten has the highest melting point of all metals, reaching an incredible 3,422 degrees Celsius (6,192 degrees Fahrenheit). Due to its remarkable properties, tungsten is often referred to as a refractory metal.

Tungsten has a wide range of applications across various industries. Its exceptional heat resistance makes it a vital component in high-temperature applications, such as incandescent light bulb filaments, heating elements, and furnace components. The metals high density and strength make it ideal for use in aerospace and defense applications, including missile parts, armor-piercing ammunition, and aircraft components. Tungsten is also extensively used in the production of electrical contacts, electrodes, and cutting tools due to its excellent electrical conductivity and high hardness.

Furthermore, tungsten compounds find applications in various fields, including catalysts, pigments, and chemical reactions. Tungsten is a critical metal with unique properties that contribute to its widespread use in numerous industries and technologies.

QSAMs tungsten

QS Advanced Materials supplies a wide range of tungsten product. Available materials are high purity tungsten, heavy alloy (W-Ni-Fe, W-Ni-Cu), tungsten carbide (WC), and fake alloys such as W-Cu, W-Ag composite. For shapes, we could provide tungsten products from tungsten high purity powder/grit to common machined products.

Unalloyed tungsten evaporation material are produced from pure tungsten powder, without extra additive. The purity is usually quite high, 99.95%. Compared with alloyed tungsten, pure material is easier to be processed as pure tungsten could be worked by forging, drawing or extruding. Pure tungsten(W) blanks, which are made from W powder by powder metallurgy, are the raw material to process tungsten evaporation material.

Tungsten evaporation material are mainly used as cathode, conductive parts, heat resistant parts and other devices in electronic products and industrial equipment. W evaporation material are also the raw material for small size tungsten crucibles.

Properites of pure tungsten

Atomic Mass	183.84
Electrode Potential	4.5V
Hardness Brinell	294
Hardness Knoop	318
Hardness Rockwell A	66
Hardness Rockwell C	31
Hardness Vickers	310
Tensile Strength, Yield	750MPa
Modulus of Elasticity	350GPa (2300C)
Electrical Resistivity	0.00000565 ohm-cm
Thermal Expansion (CTE, Linear)	4.40 um/m.C
Thermal Conductivity	117 W/m-K(1000C)
Specific Heat Capacity	163.3 W/m-K

Packaging

Tungsten is stable in air and packed without vacuum seal, unless requested. Wooden crater is applied when the cargo is over weight.

*Mill report available for our tungsten evaporation material.

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