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70
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W70Cu30
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Tungsten 70% – Copper 30%
Norms 
ASTM B 702-93
Production technique Sintered
| Chemical composition | Mechanical characteristics | ||||||||||||||||||||||||||||
| Cu | W | Other | Rm | HB | Density | W/m.k IACS |
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| 33-37 | Reste | ≤ 0,5 | 790 | 175 | 13,8 | 42 | |||||||||||||||||||||||
Description
Density and high mechanical characteristics. Very resistant to erosion combined with very good thermal and electrical conductivity.
Application
End and point welding of brass, copper, silver and their alloys. Electro-erosion, high-voltage circuit breakers