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The combination of metals and non-metals is known as an alloy. For example, steel is an alloy of iron and carbon. The alloy of copper and zinc is known as brass. The properties of alloys are often better than the properties of their constituents. That is why the majority of engineering products are made of various alloys.
One of the main characteristics of ferrous metals is high corrosion resistance.
Steel, iron and copper are widely used for making tools.
All engineering materials are divided into metals and non-metals.
Steel is an alloy of iron and carbon.