99.95% Pure Tungsten Crucible for Vacuum Furnace Melting and Sintering

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Tungsten Crucible For Sale

Description:

Tungsten crucible is one of metal tungsten products.The production process includes sintering, welding, punching and spinning; among them, sintering is the most widely used.They are mainly made of pure tungsten plates, tungsten sheets and pure tungsten rods through corresponding processes.

For example, to make micro or small tungsten crucibles, we must lathe or stamp the tungsten rod.The tungsten crucible produced by the stamping process has the advantages of good surface quality, high dimensional accuracy, high material utilization rate, light weight, high production efficiency and low production cost.

Forging tungsten crucibles are produced by turning of tungsten rods. It’s advantages on the characteristics of small size and high density. The wall thickness is usually 3 to 10 mm; the diameter is less than 80 mm.The tensile strength and deformation resistance of the tungsten crucible prepared by the forging process are better than those of the tungsten crucible prepared by other processes

Forging tungsten crucible can be used in sapphire single crystal growth furnace, quartz glass melting furnace, rare earth smelting furnace and other industrial furnace. It’s working in high temperature more than 2000 degrees.

Application:

Tungsten crucible contains the excellent characteristics of metal tungsten, which has high melting point, high density (theoretical density can reach 98.5%), high purity (tungsten content can reach 99.9999%), high temperature resistance, low thermal expansion coefficient, good high temperature strength, and internal multilayer columnar crystal structure,etc.Tungsten crucibles generally have round, square and rectangular shapes.

Tungsten crucible can be used in vacuum inert gas below 2600 degrees.It has strong corrosion resistance, high thermal conductivity, good hardenability, low pollution and long service life. It is often used in sapphire growth furnaces, rare earth metallurgy, ion plating, quartz glass and other fields. Especially for sapphire single crystal growth furnaces, tungsten crucibles with the advantages of high purity, no internal cracks, high processing accuracy, and smooth inner and outer walls can be used for seeding success rate, quality control, decrystallization and sticking during sapphire crystal growth. Service life plays a key role.

Fanmetal supplies tungsten crucible with good purity, density and no crack, smooth inside and outside wall.The possible internal injuries of tungsten crucible, such as porosity, slag and cracks are double strictly inspected to ensure the quality of tungsten crucible.

In order to guarantee the quality , we can test density, hardness, surface roughness, grain size, tensile strength and other parameters of our products. we can precisely get the overall density of the large crucibles, which may reflect the real performance of the crucible. . The possible internal injury of crucible such as porosity, slag and cracks are doubly strictly inspected with eddy current and ultrasonic equipment .

Tungsten Crucible Picture:

QC Testing

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