Copper-Cobalt (CuCo) Master Alloy

Topics Covered

Chemical Composition


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Master alloys are semi-finished products that are also known as grain refiners, hardeners, or modifiers based on their applications. They are a pre-alloyed mixture of alloying elements, and are developed in the form of waffle plate, ingot, rod, and coils. In the metal industry, they are used as raw material. They are used instead of a pure metal as they are very economical. They can be added to a melt to achieve a desired result.

The following datasheet gives an overview of copper-cobalt master alloy.

Chemical Composition

The following table outlines the chemical composition of copper-cobalt master alloy.

Element Content (%)
Copper, Cu 89-91
Cobalt, Co 9-11


Copper-cobalt master alloy is used for improving corrosion resistance of aluminium bronzes.

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