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>> Tungsten Copper |
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Tungsten Copper Composites are offered with 6~50wt.% Cu.
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Advantages:
- High arc resistance combined with good electrical conductivity
- High thermal conductivity
- Low thermal expansion
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Applications:
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| Product Standard: GB/T 8320-2003，ASTM B 702-93(Reapproved 2004) |
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Chemical Composition,Physical & Mechanical Properties of Tungsten-Copper Composites: |
| Class |
Chemical Composition (wt%) |
Density |
Hardness |
Resistivity |
IACS |
Bending Strength |
| Cu |
Total Impurities≤ |
W |
g/cm3 ≥ |
HB Kgf/mm2 ≥ |
μΩ.cm ≤ |
% ≥ |
MPa ≥ |
|
W50/Cu50 |
50±2.0 |
0.5 |
Balance |
11.85 |
115 |
3.2 |
54 |
-- |
|
W55/Cu45 |
45±2.0 |
0.5 |
Balance |
12.30 |
125 |
3.5 |
49 |
-- |
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W60/Cu40 |
40±2.0 |
0.5 |
Balance |
12.75 |
140 |
3.7 |
47 |
-- |
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W65/Cu35 |
35±2.0 |
0.5 |
Balance |
13.30 |
155 |
3.9 |
44 |
-- |
|
W70/Cu30 |
30±2.0 |
0.5 |
Balance |
13.80 |
175 |
4.1 |
42 |
790 |
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W75/Cu25 |
25±2.0 |
0.5 |
Balance |
14.50 |
195 |
4.5 |
38 |
885 |
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W80/Cu20 |
20±2.0 |
0.5 |
Balance |
15.15 |
220 |
5.0 |
34 |
980 |
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W85/Cu15 |
15±2.0 |
0.5 |
Balance |
15.90 |
240 |
5.7 |
30 |
1080 |
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W90/Cu10 |
10±2.0 |
0.5 |
Balance |
16.75 |
260 |
6.5 |
27 |
1160 |
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