Is pure iron harder than iron?
Wrong. Pig iron should be harder than pure iron;Because the alloy solid solution strengthening, pure iron is very soft, but because carbon into solid solution, hardness enhancement, but the content of C to a certain time greater than two point one one percent has been turned into a cast iron, hardness or higher than steel, but the toughness is poor, not suitable for industrial application.
Pig iron is of high hardness. The higher the carbon content in iron, the greater the hardness.
Pig iron is an alloy of iron and carbonThe hardness of the alloy is higher than that of the component (iron), while the melting point decreasesTherefore, pig iron is more rigid than pure iron
