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Describe
Niobium crucible
Commodity: Niobium crucible
Purity: ≥99.9%
Table.Ⅰ :Chemical composition:
Chemistry PPM |
||||||||||||
Designation |
Chief component |
Impurities maxmium |
||||||||||
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 |
TableⅡ. 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 |
Niobium is used in the manufacture of products for diverse applications.
In different forms, it could be used in the industry of synthetic diamonds, fiber optic or architectural glass, chemical engineering, superconductors, thin-film, reactors and high temperature vacuum furnaces and sodium vapor lamps.

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