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Niobium Crucible / Niobium Cup

Catalog No.NB0011
SizeCylinder Cone and Boat
MaterialR04200 R04210
Purity99.95%
CAS Number7440-03-1
Density8.57 g/cm3
SurfacePolished

Our high-quality niobium crucible & niobium cup is mainly used in metallurgical industry, chemical industry, machinery processing, glass and ceramic industries. Price competitive!

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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



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