composizione chimica %
|
Marchio
|
||||
FeNb70
|
FeNb60-A.
|
FeNb60-B.
|
FeNb50-A.
|
FeNb50-B.
|
|
NB+Ta
|
|||||
70-80
|
60-70
|
60-70
|
50-60
|
50-60
|
|
TA
|
0.8
|
0.5
|
0.8
|
0.8
|
1.5
|
Al
|
3.8
|
2.0
|
2.0
|
2.0
|
2.0
|
Si
|
1.5
|
0.4
|
1.0
|
1.2
|
4.0
|
C
|
0.04
|
0.04
|
0.05
|
0.05
|
0.05
|
S
|
0.03
|
0.02
|
0.03
|
0.03
|
0.03
|
P
|
0.04
|
0.02
|
0.05
|
0.05
|
0.05
|
W
|
0.3
|
0.2
|
0.3
|
0.3
|
-
|
Ti
|
0.3
|
0.2
|
0.3
|
0.3
|
-
|
Cu
|
0.3
|
0.3
|
0.3
|
0.3
|
-
|
Mn
|
0.3
|
0.3
|
0.3
|
0.3
|
-
|
Come
|
0.005
|
0.005
|
0.005
|
0.005
|
-
|
N. serie
|
0.002
|
0.002
|
0.002
|
0.002
|
-
|
SB
|
0.002
|
0.002
|
0.002
|
0.002
|
-
|
PB
|
0.002
|
0.002
|
0.002
|
0.002
|
-
|
BI
|
0.002
|
0.002
|
0.002
|
0.002
|
-
|