鈮粉 |
1 |
2 |
|
Nb+Ta,%不小于 |
99.9 |
99.5 |
|
雜質(zhì)含量%不大于 Impurities Content % MAX |
Ta |
0.05 |
0.2 |
O |
0.2 |
0.3 |
|
H |
0.005 |
0.05 |
|
N |
0.04 |
0.06 |
|
C |
0.05 |
0.05 |
|
Fe |
0.01 |
0.05 |
|
Si |
0.005 |
0.01 |
|
Ni |
0.005 |
0.01 |
|
Cr |
0.005 |
- |
|
W |
0.005 |
0.01 |
|
Mo |
0.003 |
0.005 |
|
Ti |
0.003 |
0.005 |
|
Mn |
0.003 |
0.005 |
|
Cu |
0.003 |
0.005 |
|
P |
- |
- |
|
S |
- |
- |
|
篩目 Grinddle Mesh |
80-325 |