Craft projects to make using Steel s

Steel is an alloy of iron, with carbon, which may contribute up to 2.1% of its weight. Carbon, other elements, and inclusions within iron act as hardening agents that prevent the movement of dislocations that naturally exist in the iron atom crystal lattices. Varying the amount of alloying elements, their form in the steel either as solute elements, or as precipitated phases, retards the moveme... From Wikipedia