NB0030 Niobium Ingot

Catalog No. NB0030
Size Diameter 20-295 mm Length <1600 mm
Material R04200, R04210
Standard ASTM B392
Purity 99.9%, 99.95%, 99.99%
CAS Number 7440-03-1
Density 8.57 g/cm3
Surface Polished

Niobium ingot has high melting point, fine resistance to corrosion and workability. It can be made into mill products for pharmacy, semiconductor, aviation, nuclear, etc.

Niobium Ingot

Material:  RO4200, RO4210

Size: Diameter: Φ55-145mm. L<1400mm

Standard: As per ASTM B392-98

Purity: 99.9%, 99.95%, 99.99%

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

 

Physical Properties: The product have high melting point, excellent resistance to corrosion and good workability.

Applications: The product can be used to process various niobium mill products which are widely applied for pharmacy, semiconductor, aviation and aerospace, nuclear, high temperature assemblies and other fields.

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