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Tungsten copper (silver) composite
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Tungsten Products
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Tungsten copper (silver) composite | ||||||||
Tungsten-copper alloy combines some advantages of tungsten and copper, high temperature resistance, arc ablation resistance, high strength, large specific gravity, good thermal conductivity to point, small thermal expansion, easy cutting, and sweating and cooling. Widely used in machinery, power, electronics, metallurgy, aerospace and other industries. Tungsten copper products contain 7-50% by weight of copper | ||||||||
Product Standards:GB/T 8320-2003orASTM B 702-93(Reapproved2004) | ||||||||
use: Arc contacts and vacuum contacts for high and medium voltage switches or circuit breakers. Electrode for machining Radiator parts for electronic equipment Resistance welding electrode Electronic packaging material |
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Brand | Chemical composition (by weight%) | density | hardness | Resistivity | Conductivity | Bending strength | ||
Cu | Total amount of additives≤ | W | g/cm3≥ |
Brinell HBkgf/mm3 |
μΩ.cm≤ | %≥ | MPa≥ | |
W50/Cu50 | 50±2.0 | 0.5 | margin | 11.85 | 115 | 3.2 | 54 | - |
W55/Cu45 | 45±2.0 | 0.5 | margin | 12.30 | 125 | 3.5 | 49 | - |
W60/Cu40 | 40±2.0 | 0.5 | margin | 12.75 | 140 | 3.7 | 47 | - |
W65/Cu35 | 35±2.0 | 0.5 | margin | 13.30 | 155 | 3.9 | 44 | - |
W70/Cu30 | 30±2.0 | 0.5 | margin | 13.80 | 175 | 4.1 | 42 | 790 |
W75/Cu25 | 25±2.0 | 0.5 | margin | 14.50 | 195 | 4.5 | 38 | 885 |
W80/Cu20 | 20±2.0 | 0.5 | margin | 15.15 | 220 | 5.0 | 34 | 980 |
W85/Cu15 | 15±2.0 | 0.5 | margin | 15.90 | 240 | 5.7 | 30 | 1080 |
W90/Cu10 | 10±2.0 | 0.5 | margin | 16.75 | 260 | 6.5 | 27 | 1160 |
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Tungsten
Factory Address:
Third Industrial Zone, hecheng town, Heshan City
Guang zhou office address:
Room106A, TowerA, ZhongBang Business Center,No. 53, Puxing Road, Dongpu Town, Tianhe District, Guangzhou City, Guangdong Province.
Tel:+86-20-82550952/82550353
Fax: +86-20-82550952
E-mail: sales@gzwdhg.com
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