The hypoeutectoid steel is the most ductile and the ductility has decreased by a factor of three for the eutectoid alloy. In hyper-eutectoid alloys the additional, brittle cementite on the pearlite ...

Hard but brittle, less malleable than mild steel, good electrical and thermal conductivity Taps and tools, eg screwdrivers and chisels Low-carbon steel (mild steel) Ductile and tough, easy to form ...