Description of Niobium Crucible / Niobium Cup
Niobium crucibles are renowned for their exceptional high-temperature resistance, corrosion resistance, and durability. Ideal for use in chemical processing, metallurgy, and crystal growth applications, they ensure purity and stability in extreme conditions.
Specification of Niobium Crucible / Niobium Cup
Niobium Crucible / Cup
Material: RO4200, RO4210
Purity: 99.95%
Table 1. Chemical composition:
|
Chemical Composition (%)
|
|
Material
|
Main elements(%)
|
Impurities (Maximum %)
|
|
Nb
|
Fe
|
Si
|
Ni
|
W
|
Mo
|
Ti
|
Ta
|
O
|
C
|
H
|
N
|
|
RO4200
|
Remainder
|
0.004
|
0.004
|
0.002
|
0.005
|
0.005
|
0.002
|
0.07
|
0.015
|
0.0040
|
0.0015
|
0.003
|
|
RO4210
|
Remainder
|
0.01
|
0.01
|
0.005
|
0.02
|
0.01
|
0.004
|
0.10
|
0.02
|
0.01
|
0.0015
|
0.01
|
Table 2. Mechanical requirements (annealed condition)
|
Grade
|
Tensile strength δbpsi (MPa), ≥
|
Yield strength δ0.2, psi (MPa),≥
|
Elongation in 1"/2" gage length, %, ≥
|
|
>=0.010
|
<0.010
|
|
RO4200, RO4210
|
18000 (125)
|
12000 (85)
|
25
|
20
|
Application of Niobium Crucible / Niobium Cup
Niobium crucibles are essential in several high-tech industries due to their superior heat resistance and chemical inertness. Commonly used in the field of materials science, they are pivotal for growing single crystals of compounds such as sapphire and silicon, which are crucial for semiconductors and optical devices. In metallurgy, niobium crucibles play a critical role in the production of superalloys and special steels, as they withstand the corrosive and high-temperature environments necessary for alloy melting. Additionally, their non-reactive nature makes them ideal for chemical analysis and experiments requiring contamination-free conditions, ensuring precise and reliable results.
Packing:
Our Niobium Crucible/Cup is carefully handled to prevent damage during storage and transportation and to preserve the quality of our product in its original condition.
Specification
Table 1. Chemical composition:
|
Chemical Composition (%)
|
|
Material
|
Main elements(%)
|
Impurities (Maximum %)
|
|
Nb
|
Fe
|
Si
|
Ni
|
W
|
Mo
|
Ti
|
Ta
|
O
|
C
|
H
|
N
|
|
RO4200
|
Remainder
|
0.004
|
0.004
|
0.002
|
0.005
|
0.005
|
0.002
|
0.07
|
0.015
|
0.0040
|
0.0015
|
0.003
|
|
RO4210
|
Remainder
|
0.01
|
0.01
|
0.005
|
0.02
|
0.01
|
0.004
|
0.10
|
0.02
|
0.01
|
0.0015
|
0.01
|
Table 2. Mechanical requirements (annealed condition)
|
Grade
|
Tensile strength δbpsi (MPa), ≥
|
Yield strength δ0.2, psi (MPa),≥
|
Elongation in 1"/2" gage length, %, ≥
|
|
>=0.010
|
<0.010
|
|
RO4200, RO4210
|
18000 (125)
|
12000 (85)
|
25
|
20
|
