Specifications
Niobium Ingot
Purity: 99.95%(min)
Dia:55-150mm
L:1400mm max
Standard,ASTM B392-95,ASTM B 393--95 RO 4201,ASTM B39
Niobium Ingots
Purity: 99.95%(min)
Dia:55-150mm
L:1400mm max
Standard,ASTM B392-95,ASTM B 393--95 RO 4201,ASTM B39, ASTM B 394--98
Symbols ,Nb
Atomic number,41
Atomic weight ,92.90638
Melting 2468 oC
Boiling point ,4742oC
Density 8.57 g / 3 cm
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 |
Special requirements to be agreed on by the supplier and buyer of negotiations