If you want stronger casts then this video is for you. In this video I am going to show you 3 different ways to harden your metal casts.

Metallurgy can be rather complex so in this video I make it simple, so all backyard smiths can make strong casts. From blades to gears and everything in between.

First I describe work hardening and how to perform it. Then I move into metal quenching, and finish with precipitation or age hardening.

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