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Copper Tungsten Electrical Contact

Copper Tungsten alloys are used for high heat resistance, high electrical and/or thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electro-chemical machining.
  • Customized
  • FOTMA
  • Material Grade: W50Cu50, W70Cu30, W80Cu20 etc.
  • Surface Condition: Machined
  • Production Method: Infiltration
  • Applications: Electrical Contacts
Quantity:
Copper Tungsten alloys are used for high heat resistance, high electrical and/or thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electro-chemical machining.

Advantages of Copper Tungsten Alloy:
 
1. Better heat resistant; 
2. Better ablate-resistant; 
3. High intensity
4. High density; 
5. Excellent thermal and electrical conductivity; 
6. Easy to be machined. 


Code No. Chemical Composition % Mechanical properties
CU Impurity  W Density
RES( cm)

(g/cm 3 ) Hardness Conductivity TRS/ Mpa

HB IACS/ %   

     
CuW(50) 50 + 2.0 0.5 Balance 11.85 115 3.2 54
CuW(55) 45 + 0.5 Balance 12.3 125 3.5 49
2
CuW(60) 40 + 2.0 0.5 Balance 12.75 140 3.7 47
CuW(65) 35 + 2.0 0.5 Balance 13.3 155 3.9 44
CuW(70) 30 + 2.0 0.5 Balance 13.8 175 4.1 42 790
CuW(75) 25 + 2.0 0.5 Balance 14.5 195 4.5 38 885
CuW(80) 20 + 2.0 0.5 Balance 15.15 220 5 34 980
CuW(85) 15 + 2.0 0.5 Balance 15.9 240 5.7 30 1080
CuW(90) 10 + 2.0 0.5 Balance 16.75 260 6.5 27 1160









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