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Time of issue:2020-03-17 00:00:00

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Niobium rod

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Niobium rod

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Commodity: Niobium rod
Standard: ASTM B392-98
Dimmension: ¢4-¢100mm
Material: RO4200-1, RO4210-2
Purity: ≥99.9%

 

 

Table.Ⅰ :Chemical composition:

Chemistry                                                                PPM

Designation

Chief component

Impurities    maxmium

Nb

Ta

Si

Ni

W

Mo

Ti

Fe

O

C

H

N

Nb1

Remainder

700

50

50

50

30

20

50

150

40

15

30

Nb2

Remainder

1000

80

40

100

100

40

80

180

60

15

50

 

TableⅡ. 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)

12000 (85) 

25 

 

With high melting point, excellent anti-corrosion property and workability in cold environment, Nb and Nb alloy tube, rod and wire are widely used in chemistry, electronics, aviation and aerospace industry. They can be applied as nozzles and structural parts for airplane engines, inside elements and protection material for nuclear reactor, anti-corrosion parts under strong acid or  environment.
By adding zirconium in niobium, the hardness and antioxidant properties can be greatly improved. A large quantity is be used in high pressure sodium lamp and anode leads for capacitors.
 

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Niobium rod
Nb rod
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