Metal hardening Category: Beautiful and amazing, PEGI 0+ 5 February 2024 Tempering is a heat treatment process in which metal is heated to a high temperature and then quickly cooled. This makes the metal stronger and harder, but can also make it more brittle. +6
Tempering is a heat treatment process in which metal is heated to a high temperature and then quickly cooled. This makes the metal stronger and harder, but can also make it more brittle.
