To that end, this beginner lesson in heat-treating steel ... can also be tempered, which restores some of its toughness while maintaining a certain amount of hardness. While the process doesn ...

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 ...

If you have long wanted to see the technological process of metal birth, you can do it in Chelyabinsk Region at the Magnitogorsk Iron and Steel Works. It’s dark and ...