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『 TUNGSTEN CARBIDE POWDER 』
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 ■ Grade: 1.FWC-1: WC≥99.8%
2.FWC-2: WC≥99.7%
■ Specification
|
Type |
Fsss(UM) |
Total carbon（%） |
Free carbon（%） |
|
08
10
15
20
25
30
40
50
70
150 |
0.8-1.0
1.01-1.5
1.51-2.0
2.01-2.5
2.51-3.0
3.01-4.0
4.01-5.0
5.01-7.0
7.01-15.0
15.01-25.0 |
6.13+/-0.05 |
≤0.05 |
■ Impurity Content
|
Impurity Content （%max） |
|
Grade |
FE |
MO |
AL |
SI |
CA |
MN |
MG |
CR |
NI |
K+NA |
|
FWC-1 |
0.03 |
0.005 |
0.001 |
0.003 |
0.004 |
0.001 |
0.001 |
0.01 |
0.008 |
0.002 |
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FWC-2 |
0.05 |
0.01 |
0.002 |
0.005 |
0.005 |
0.001 |
0.001 |
0.015 |
0.01 |
0.004 |
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◆ Chemical Composition(%)：
W |
Fe |
Mo |
other impurities |
≥99.95 |
≤0.002 |
≤0.003 |
≤0.001 |
Note:K is not regarded as impurity.
◆ Diameter Range：
CLASS IFICATION |
minimal diameter |
maximal diameter |
TUNGSTEN ROD |
swaged |
3.0 |
16.0 |
straightened |
0.40 |
3.0 |
GROUND TUNGSTEN ROD |
1.0 |
14.0 |
◆ Diameter Tolerance：
Diameter |
Black tungsten rod |
Ground tungsten rod |
|
diameter tolerance |
roundness |
diameter tolerance |
roundness |
0.40<d≤0.80 |
±2 |
2 |
- |
- |
0.80<d≤3.0 |
±2 |
2 |
±0.03 |
0.03 |
3.0<d≤6.5 |
±2 |
2 |
±0.05 |
0.05 |
6.5<d≤14 |
±2 |
2 |
±0.08 |
0.08 |
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