Copper-Iron (CuFe) Master Alloy

Topics Covered

Chemical Composition


Master alloys are defined as a pre-alloyed mixture of alloying elements. They are formed in different shapes, and are used as raw material in metal industries. Based on their applications, they are also referred to as a grain refiner, a modifier or a hardener. A pure metal is usually replaced by master alloys because they are very economical.

Master alloys are added to a melt to obtain the desired result. They are semi-finished products, and base metals that can be mixed with other elements with higher percentage.

The following datasheet will discuss about copper-iron master alloy.

Chemical Composition

The chemical composition of copper-iron master alloy is given in the following table.

Element Content (%)
Iron, Fe 10-50%
Copper, Cu Balance
Others 0.5 max


Copper-iron master alloy is used as a grain refiner for some brass alloys and aluminium bronze. It is also used for improving mechanical properties of low alloyed coppers and corrosion resistance of copper-nickel alloys.

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