At this point the metal can also be tempered, which restores some of its toughness while maintaining a certain amount of hardness. While the process doesn’t require specialized tools ...

This class also describes common heat treating methods, such as annealing, quenching, normalizing, and tempering. Steel is heat treated to adjust the metal's properties. Heat treatments can increase a ...

At this point the metal can also be tempered, which restores some of its toughness while maintaining a certain amount of hardness. While the process doesn’t require specialized tools ...

The good quality of steel is shown by its being homogeneous, being easily worked at the forge, by its hardening and tempering well, by its resisting or overcoming forces, and by its elasticity.