Page 340 - Primary Six Notes

Steel

Steel consists of Carbon dissolved in iron.

Different alloys are made from steel

Examples of alloys made from steel

1. Manganese steel

It is a mixture of steel and manganese

This is a very tough alloy.

It is used where friction may cause wear e.g. in railway points.

2. Nickel steel

It is a mixture of nickel and steel

This alloy does not rust. It is used for making cooking and

kitchen utensils and cutlery.

3. Stainless steel

It is a mixture of cobalt and steel

This alloy is used to make permanent magnets because they

retain their magnetism over a long period.

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