Baoji Shengyuan Metal Material Co.,Ltd is one of the leading China niobium bar manufacturers and suppliers, equipped with a professional factory and company, welcome to wholesale quality niobium rod products from us.
Material: RO4200-1, RO4210-2
The Size of niobium bar : Diameter:φ1.0-100mm
Length:200mm-9000mm
Standard: As per ASTM B394-98
Purity: >=99.9% or 99.95% Surface: bright
Detailed Information Grade of Niobium Bar
Grade
|
Suplying state
|
Diameter
|
Lengtha
|
Voluntary Standers
|
Nb1
Nb2
Nb3
Nb4
|
Cold state(Y)
Annealedb(M)
|
3.0-6.5
>6.5-10.0
>10-18
|
>500
|
ASTM B392-03
|
Thermal processing state(R)
Annealedb(M)
|
>18-25
>25-40
>40-50
>50-65
|
FNb1
FNb2
|
Thermal processing state(R)
Annealedb(M)
|
3.5-5.0
>5.0-12
|
>500
>300
|
NbHf10-1
|
Thermal processing state(R)
Annealedb(M)
|
20-80
|
500-2000
|
Note : the length of Annealing Niobium bar being supplied is not greater than 2500mm.
|
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
|
Original
By certification 
