Copper Tungsten Alloys

Midwest Tungsten Service specializes in high quality copper tungsten alloys. We stock alloy as rod, bar, plate and sheet. MTS will custom machine parts to your specifications.

Advantages

  • High arc resistance combined with good electrical conductivity
  • High thermal conductivity
  • Low thermal expansion

Applications

  • Contacts in high voltage breakers and vacuum interruptors
  • Electrodes in spark erosion cutting equipment
  • Heat sinks in electronic devices
  • Electrodes for resistance welding

Chemical Composition and Properties Chart

Composition
Density
gr/cc
IACS
%
Hardness
HB Mpa
Bend Strength
Mpa
W60 Cu40
12.75
47
1373
-
W65 Cu35
13.30
44
1520
-
W70 Cu30
13.80
42
1716
667
W75 Cu25
14.50
38
1912
706
W80 Cu20
15.15
34
2158
736
W85 Cu15
15.90
30
2354
765
W90 Cu10
16.75
27
2550
804
 



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You can reach us by e-mail at: mts@tungsten.com  


Midwest Tungsten Service
7101 S. Adams St. #6
Willowbrook, IL 60527
Toll Free: 1-800-626-0226
Phone: 1-630-325-1001
Fax: 1-630-325-3571