Why Blacksmiths Dip Red-Hot Metal in Water | The Science of Quenching - Video

Why Blacksmiths Dip Red-Hot Metal in Water | The Science of Quenching

To make a tool’s edge extremely strong, it’s first heated in fire until it turns red hot. After that, the sharp edge is suddenly dipped into cold water. The moment the hot metal comes in contact with the cold water, it hardens instantly. This process is called quenching, and it’s what gives the tool its incredible strength. Because of this treatment, the edge becomes so tough and sharp that it can easily cut through metal.

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