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Niobium Crucible

Niobium Crucible


With high purity (≥99.9%), high level of resistance and excellent formability, our niobium crucible is appropriate for manufacturing synthetic polycrystalline diamonds. It is often used for high-pressure and high-temperature synthesis.
In different forms, niobium crucible can be used in the field of synthetic diamonds, fiber optic or architectural glass, chemical engineering, superconductors, thin-film, reactors and high temperature vacuum furnaces and sodium vapor lamps.

Package and Transportation

We pack niobium crucible in plywood case and send them by ocean or air.
Established in 2008, Lantytk® Corp. is a professional manufacturer and supplier of tungsten, molybdenum, and tantalum and niobium products. Our company gains ISO9001-2008 international quality administrative system certification and our products like the mentioned niobium crucible are mainly sold to United States, South Korea, Russia, Japan, Germany, France, Brazil, Ukraine, Italy and other international markets. For more information, please enter our website and learn more.

Mechanical Requirements (Annealed Condition)

Grade Tensile strength δbpsi (MPa), ≥ Yield strength δ0.2, psi (MPa),≥ Elongation in 1"/2" gage length, %, ≥
RO4200-1 RO4210-2 18000 (125) 12000 (85) 25

Chemical Composition of Niobium Crucible

Chemistry PPM
Designation Chief component Impurities maximum
Nb Ta Si Ni W Mo Ti Fe O C H N
Nb1 Remainder 700 50 50 50 30 20 50 150 40 15 30
Nb2 Remainder 1000 80 40 100 100 40 80 180 60 15 50
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