Niobium rod Niobium bar
Material: RO4200-1, RO4210-2
Size: ￠3~￠120mm
Standard: As per ASTM B392-98
Purity: >=99.9％ or 99.95％
Table 1. Chemical composition:
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Chemistry %
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Designation
|
Chief component
|
Impurities maxmium
|
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|
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
|