Alloy UNS C145 Tellurium Copper

High Speed Machinable Copper

Alloy UNS C145 Tellurium Copper


Cambridge-Lee Industries has been supplying Tellurium Copper Rod to some of the largest OEMs in the industry for over 35 years. The properties of this copper alloy make it ideal for machining applications.

  • Machinability rating of 85% far exceeds that of unalloyed copper
  • Excellent electrical conductivity
  • Tighter than standard tolerance on straightness and diameter

We inventory standard sizes and manufacture custom shapes to your print

  • Rounds
  • Hex
  • Square
  • Rectangles


Ideal for applications requiring machining for current carrying parts
and welding torch tips.

We can ship direct from our North American mill or offer you a JIT stocking program from our distribution centers nationwide.
Experienced industry personnel to assist in forecasting and copper pricing solutions.

We also Provide:

  • C147 sulfur copper rods
  • C360 free-cutting brass rods