Introduction
Ferrotungsten powder details
（1）Conventional size：3-50mm or according to customer demand screening
（2）application：as the addition agent of tungsten in steel making and casting, it can improve the
hardness, wear resistance and impact strength of steel. For high speed tool steel, alloy tool steel,
heat-resistant steel, spring steel, steel production.
（3）chemical composition
|
Grade |
chemical composition% |
||||||||||||||||
|
W |
C |
P |
S |
Si |
Mn |
Cu |
As |
Bi |
Pb |
Sb |
Sn |
||||||
|
The following components are not greater than |
|||||||||||||||||
|
FeW80-A |
75.0～85.0 |
0.10 |
0.03 |
0.06 |
0.5 |
0.25 |
0.10 |
0.06 |
0.05 |
0.05 |
0.05 |
0.06 |
|||||
|
FeW80-B |
75.0～85.0 |
0.30 |
0.04 |
0.07 |
0.7 |
0.35 |
0.12 |
0.08 |
- |
- |
0.05 |
0.08 |
|||||
|
FeW80-C |
75.0～85.0 |
0.40 |
0.05 |
0.08 |
0.7 |
0.50 |
0.15 |
0.10 |
- |
- |
0.05 |
0.08 |
|||||
|
FeW70 |
≥70.0 |
0.80 |
0.06 |
0.10 |
1.0 |
0.60 |
0.18 |
0.10 |
- |
- |
0.05 |
0.10 |
|||||
|
Chemical composition |
|||||||||
|
Purity |
The impurity no more than（ppm） |
||||||||
|
Al |
Si |
Fe |
Mg |
B |
Ag |
K |
Na |
Ti |
Ni |
|
99.999% |
2 |
2 |
1 |
0.05 |
0.05 |
0.05 |
0.15 |
0.09 |
0.05 |
|
Zn |
Cu |
Mn |
Total impurity |
||||||
|
0.5 |
1.5 |
0.15 |
<10PPm |
||||||
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