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Tungsten Copper Alloy

Tungsten Copper Alloy

Description:
By selecting high purity tungsten and oxygen-free copper, all of our tungsten copper alloys are produced by sintering and infiltrating process. In terms of different types, the composition of tungsten and copper are well-proportioned and accurate percentaged. The proportion of cooper accounts for 10% to 50%. Tungsten copper alloy possesses excellent properties from both tungsten and copper. It is of high arc resistance, good electrical conductivity, high thermal conductivity, low thermal expansion as well as good sweat cooling characteristics. All of our tungsten copper alloys are produced in accordance with the standards of GB/T8320-2003 or ASTM B702-93 (reapproved 2004).

Application:
1. Tungsten copper alloy is widely used in many industrial areas such as aerospace, power, electronic, metallurgy, and machinery;
2. It is also used as heat sinks for cooling device in electronic equipment and electronic packaging materials;
3. Tungsten copper alloy is also adopted as electrodes for resistance welding;
4. It can be used for producing arcing contacts and vacuum contacts in high and medium voltage breakers;
6. Tungsten copper alloy can be used as the component of the pushing device in spacecrafts.

Chemical Composition, Physical & Mechanical Properties:

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 --
W60/Cu40 40±2.0 ≤0.5 Balance ≥12.75 ≥140 ≤ 3.7 ≥47 --
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
W75/Cu25 25±2.0 ≤0.5 Balance ≥14.50 ≥195 ≤ 4.5 ≥38 ≥885
W80/Cu20 20±2.0 ≤0.5 Balance ≥15.15 ≥220 ≤ 5.0 ≥34 ≥980
W85/Cu15 15±2.0 ≤0.5 Balance ≥15.90 ≥240 ≤ 5.7 ≥30 ≥1080
W90/Cu10 10±2.0 ≤0.5 Balance ≥16.75 ≥260 ≤ 6.5 ≥27 ≥1160

Packing and Shipping:
We deliver tungsten copper alloys in plywood cases by ocean shipping or air transportation.

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