NB0881 Niobium Ring

Catalog No. NB0881
Size Outer Diameter 3.0-150 mm Thickness 1.0-25.0 mm
Material R04200 R04210
Standard ASTM B394
Purity 99.9% 99.95% 99.99%
CAS Number 7440-03-1
Density 8.57 g/cm3
Surface Polished

Stanford Advanced Materials manufactures and supplies kinds of high-quality niobium ringsand we are able to produce them according to the clients specifications.

Niobium Ring

Grade:   RO4200, RO4210

Purity: 99.9%, 99.95%, 99.99%

Specification:

Outer diameter (mm)

Wall thickness (mm)

Length (mm)

Φ0.8~3.0

0.05-1.0

100≤L≤5000

Φ3.0~80

0.2-5

100≤L≤5000

 

 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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