To that end, this beginner lesson in heat-treating steel from [Blondihacks] demonstrates ... At this point the metal can also be tempered, which restores some of its toughness while maintaining ...

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 ...

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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.