Polished Tungsten Crucible
Polished Tungsten Crucible
Tungsten Crucible is an important part of industrial high-temperature furnaces, often with a polished surface, and can be divided into sintering type (applied to powder metallurgy technology), stamping type, forging type and spinning type according to different process methods. Polished Tungsten Crucible includes all the advantages of metal tungsten, such as high purity, high melting point, high strength, high density, high thermal conductivity, small thermal expansion coefficient, good high temperature stability, low pollution and strong durability. Polished Tungsten Crucibles are suitable for core components in applications such as sapphire crystal growth, quartz glass melting furnaces, vacuum evaporation furnaces and rare earth smelting.
What are the Types of Polished Tungsten Crucibles?
Pressed sintered crucibles are generally manufactured using powder metallurgy technology. High-purity tungsten powder is poured into a mold, and then sintered to the final geometry by HIP (hot isostatic pressing process).
Both the spinning crucible and the welding crucible are made of high-quality tungsten plates after a series of processing. They have the advantages of high purity, smooth surface without cracks, high economic benefits and high crystal quality.
Polished Tungsten Crucible Specifications:
Grade | W1,W2 |
Purity | >99.95% |
Technique | Welding,Sintering,Forging,Stamping,Spinning |
Diameter | 30-650mm |
Density | 18.5-19.3g/cm3 |
Height | 10-120mm/50-850mm |
Wall Thickness | 2-30mm |
Surface | Black,Alkaline cleaning,Polished,Bright |
Delivery Time | 15-20 days |
Standard | ASTM B760,ASTM B387,GB |
Certification | ISO 9001 |
Polished Tungsten Crucible Pictures:


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