What is Hardening
What is Hardening? Hardening is a metallurgical metalworking process used to increase the hardness of a metal. The process starts with the heating of metal at a critical transformation temperature and quenches in a molten salt bath/water. Hypoeutectoid steels are heated from 30 to 50-degree c above Upper Critical Temperature (UCT), while hypereutectoid steel heats … Read more