Copper-Tellurium (CuTe) Master Alloy

Master alloys are of different shapes and they are referred to as semi-finished products or base metals that include copper, nickel or aluminum combined with a higher percentage of one or two of other elements.

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Master alloys are used to determine a metal’s microstructure during solidification and casting to change its properties that include electrical conductivity, surface appearance, ductility, mechanical strength or castability. Master alloys are also used to obtain a specific chemical specification by changing the liquid metal’s composition.

Copper-based master alloys have better dissolving capacity in comparison with pure metals. Copper-zirconium, copper-iron, copper-boron and copper-manganese also make up the list of copper-based master alloys.

The following datasheet provides an overview of copper-tellurium master alloy.

Chemical Composition

The chemical composition of copper-tellurium master alloy is outlined in the following table.

Element Content (%)
Copper, Cu 49-51
Tellurium, Te 49-51


Copper-tellurium master alloy is used for improving the machinability of low alloyed copper.


  1. Naveena Nallakkannu Naveena Nallakkannu India says:

    Thanks for info .......

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