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I Forge Iron

Any tips on heat treating 4140 50# LG dies?


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Another option for future reference is to buy 4140 from steel supplier in already half-hardened state.

 

Still easy enough to machine and start using immediately after!  :D

 

I  use half-hard 4140 as starting  material for the bigger type dies used on a Nazel 3B and such.

 

Stan

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