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round niobium bar
round niobium bar

widely used for steel, ceramics, electronics, nuclear energy industries and superconductor technology.

1. Grade: Nb1,Nb2

2. Purity :> =99.95%

3. Characteristic:

Melting Point: 2468°C

Boiling Point :4742°C

Density: 8.57g/m3

High quality, workability

4. Certificate: ISO9002

5. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..

6. Table 1. Mechanical requirements (annealed condition)

Grade

Tensile strength δbpsi (MPa), ≥

Yield strength δ0.2, psi (MPa),≥

Elongation in 1"/2" gage length, %, ≥

RO4200-1

RO4210-2

18000 (125)

10500 (73)

25

Special requirements to be agreed on by the supplier and buyer of negotiations

Table.2 Chemical composition:

Chemistry                                                                %

Designation

Chief component

Impurities    maxmium

Nb

Fe

Si

Ni

W

Mo

Ti

Ta

O

C

H

N

Nb1

Remainder

0.004

0.003

0.002

0.004

0.004

0.002

0.07

0.015

0.004

0.0015

0.002

Nb2

Remainder

0.02

0.02

0.005

0.02

0.02

0.005

0.15

0.03

0.01

0.0015

0.01

               

7.Application:widely used for steel, ceramics, electronics, nuclear energy   industries and superconductor technology.

round niobium bar

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