Copper Tungsten Rod 6mm Copper Tungsten Rod 6mm is a combination of Tungsten which has low thermal expansion, and Copper which has high thermal conductivity. We have ready stock of Copper Tungsten Rod , Copper Tungsten Round Bars , Copper Tungsten Round Rod , Tungsten Copper Round bars , Tungsten Copper Bars , Tungsten Copper Round , Tungsten Copper Rod 6mm , Copper Tungsten Rod 6mm