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Specifications
Niobium rod/barStandard: ASTM B392
Grade:R04200-1, R04210-2, R04251-3, R0426
ISO 9001:2008
Niobium rod/bar:
Material: RO4200-1, RO4210-2
Size: 4~100mm Length : 5000mm
status: Annealing
standard:ASTM B 392
techniques: hot rolled or forged
condition: annealed
Shape: rod
Purity: 99.95%
color: sight or black
Supply condition: Rolled, Drawn, Forged, Ground, Lathed.
application : Electronic industry Chemistry, electronical, Pharmaceu
Table.1 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 |
|
Table 2. 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
|
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