Copper Tungsten Alloy

Tungsten copper alloys are the perfect choice where high density, high thermal conductivity, or low thermal expansion are important. Electrical contacts, heat sinks, and resistance welding electrodes are all applications where tungsten copper alloys can do the job. 

Contact Quken to determine which copper tungsten composite is best for your application or refer to the copper tungsten properties chart below for more detailed information.

Material Standard Density (gr/cc) IACS (%) Hardness (HB Kgf/mm2) Bend Strength (MPa)
55 Cu45 ASTM B702 12.30 49 125
60 Cu40 12.75 47 140
65 Cu35 13.30 44 155
70 Cu30 13.80 42 175 667
75 Cu25 14.50 38 195 706
80 Cu20 15.15 34 220 736
85 Cu15 15.90 30 240 765
90 Cu10 16.75 27 260 804