Metal heat treatments are processes used to alter the physical and sometimes chemical properties of a metal to achieve desired characteristics, such as improved strength, hardness, ductility, toughness, or corrosion resistance. These treatments involve controlled heating and cooling of metals and alloys. Here are some common heat treatment methods: 1. **Annealing**: This process involves heating the metal to a specific temperature and then cooling it slowly, usually in air or a furnace.
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