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Niobium Ingot

Catalog No.NB0009
SizeDiameter 20-295 mm Length <1600 mm
MaterialR04200, R04210
StandardASTM B392
Purity99.9%, 99.95%, 99.99%
CAS Number7440-03-1
Density8.57 g/cm3
SurfacePolished

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.

More details

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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