Niobium Crucible
Niobium Crucible Description & Application
Metal niobium is a shiny active metal that can form oxide films with good corrosion resistance in air, and is often used to manufacture various metal alloys. Adding only a small amount of niobium can significantly increase the strength and hardness of the alloy. Niobium crucible is mainly made of niobium rod after various processing, with high purity, stable structure and good surface finish. Superior high temperature resistance, corrosion resistance and durability.Niobium crucibles are widely used in high temperature engineering (generally above 1200 ℃), artificial diamond manufacturing, nuclear reactors, glass and ceramics industries and other fields. It should be noted that the roughness of the surface of the niobium crucible will directly affect the quality of crystal production, which requires us to make more efforts in polishing. The crystallized sapphire is an important raw material for the manufacture and development of watch casings, glass substrates and LED technology.
Niobium Crucible Specifications:
Grade | RO4200, RO4210 |
Technique | Cold rolled,Hot rolled,Extruded,Folding,Pressing |
Purity | ≥99.95% |
Density | 8.57g/cm3 |
Diameter | 10-600mm |
Wall Thickness | 2-20mm |
Tensile Strength | 125 MPa |
Elongation | 25% |
Round mouth crucible,Taper crucible,Ellipse crucible,and Bottomless crucible | |
Surface | Mill finish,Polished,Black,Pickled,Electro-polished,Bright |
Delivery Time | 20 days |
Standard | ASTMB392,GB |
Certification | ISO9001 |
Niobium Crucible Pictures:


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