Question

Why is steel harder than Iron?

1 year ago

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Hailie Runolfsson


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1 Answer

Tara S Profile Picture

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Steel is an alloy, meaning it is a mixture of different atoms, whereas iron is an element made from one type of atom. In iron, all the atoms are the same size and are arranged in layers that easily slide over one another. In steel, the different atoms are differently sized and this disrupt the layers, meaning a greater force is required to make the atoms slide over each other.

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