Tungsten Cooper alloy

Advantages:
High arc resistance combined with good electrical conductivity
High thermal conductivity
Low thermal expansion
Applications:
Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
Electrodes in electric spark erosion cutting machines
Product Demo! Heat sinks as passive cooling elements of electronic devices and Electronic packaging materials.
Electrodes for resistance welding

Product Standard: GB/T ********3, ASTM B *****3(Reapproved ***4)

Chemical Composition,Physical & Mechanical Properties of Tungsten-Copper Composites :

Class Chemical Composition (wt%) Density Hardness Resistivity IACS Bending Strength Cu Total Impurities≤ W g/cm 3  ≥ HB Kgf/mm 2  ≥ μΩ.cm  ≤ %  ≥ MPa ≥ W*0/Cu*0 *0±2.0 0.5 Balance *1.*5 **5 3.2 *4 *- W*5/Cu*5 *5±2.0 0.5 Balance *2.*0 **5 3.5 *9 *- W*0/Cu*0 *0±2.0 0.5 Balance *2.*5 **0 3.7 *7 *- W*5/Cu*5 *5±2.0 0.5 Balance *3.*0 **5 3.9 *4 *- W*0/Cu*0 *0±2.0 0.5 Balance *3.*0 **5 4.1 *2 **0 W*5/Cu*5 *5±2.0 0.5 Balance *4.*0 **5 4.5 *8 **5 W*0/Cu*0 *0±2.0 0.5 Balance *5.*5 **0 5.0 *4 **0 W*5/Cu*5 *5±2.0 0.5 Balance *5.*0 **0 5.7 *0 ***0 W*0/Cu*0 *0±2.0 0.5 Balance *6.*5 **0 6.5 *7 ***0