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Tungsten bar grades can be dicided by the content the purity of tungsten.
GRADE |
W1 |
W2 |
W3 |
W4 |
Purity (%) min. |
W |
99.95 |
99.95 |
99.70 |
99.00 |
IMPURITY (ppm) max. |
Fe |
50 |
50 |
100 |
500 |
Ni |
30 |
30 |
50 |
3000 |
Al |
20 |
20 |
50 |
50 |
Si |
30 |
30 |
100 |
100 |
Ca |
30 |
30 |
50 |
50 |
Mg |
20 |
20 |
50 |
100 |
Mo |
100 |
100 |
2000 |
2000 |
P |
10 |
10 |
20 |
50 |
C |
50 |
80 |
100 |
100 |
O |
30 |
30 |
50 |
80 |
N |
30 |
30 |
--- |
--- |
Pb |
1 |
1 |
1 |
10 |
Bi |
1 |
1 |
1 |
10 |
Sn |
3 |
3 |
3 |
10 |
Sb |
10 |
10 |
10 |
10 |
As |
20 |
20 |
20 |
20 |
Application |
|
Tungsten-base alloy Material |
Processing Material |
Processing Material |
Alloy Addition |
|
Grades |
WB-1 |
WB-2 |
WB-3 |
WB-4 |
Typical-1 |
Typical-2 |
Impurities
%,max |
Pb |
-- |
-- |
-- |
0.001 |
-- |
0.001 |
Bi |
-- |
-- |
-- |
0.001 |
-- |
0.001 |
Sn |
-- |
-- |
-- |
0.001 |
-- |
0.001 |
As |
-- |
-- |
-- |
0.002 |
-- |
0.001 |
Fe |
0.005 |
0.005 |
0.010 |
0.05 |
0.005 |
0.020 |
Ni |
0.003 |
0.003 |
0.005 |
0.30 |
0.002 |
0.005 |
Al |
0.002 |
0.002 |
0.005 |
0.005 |
0.001 |
0.003 |
Si |
0.003 |
0.003 |
0.010 |
0.010 |
0.0015 |
0.002 |
Ca |
0.003 |
0.003 |
0.005 |
0.005 |
0.002 |
0.005 |
Mg |
0.002 |
0.002 |
0.005 |
0.010 |
0.001 |
0.001 |
Mo |
0.010 |
0.010 |
0.20 |
0.20 |
0.003 |
0.050 |
P |
0.001 |
0.001 |
0.002 |
0.005 |
0.001 |
0.001 |
C |
0.005 |
0.008 |
0.010 |
0.010 |
0.003 |
0.003 |
O |
0.003 |
0.003 |
0.005 |
0.008 |
0.003 |
0.008 |
N |
0.003 |
0.003 |
-- |
-- |
0.003 |
-- |
Sb |
-- |
-- |
-- |
0.001 |
-- |
0.0005 |
Uses |
Material for making tungsten alloy |
For Processing material |
For processing material |
For processing material |
For processing material |
For alloy additive |
Packing: Different packing is available according to the customers'
requirements.
Note: All other specifications products are available
according the customers' requirements
For more details about tungsten bar grades, you
can contact by telephone 86 592 5129696, or email
to sales@chinatungsten.com sales@chinatungsten.com sales@chinatungsten.com. Any enquiry or
questions will be warmly welcomed.
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