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Posted

I have finished grinding the bevel and I am now ready to heat treat. This blade is made from a castoff hoof rasp. Dose anyone have any idea if they are air, water, or oil cooled. Any suggestions would be greatly appreciated. Thank you


Best,

Archiphile

Posted

The problem with some hoof rasps is they can be case hardened.This means that to re-harden it would require some form of case hardening. Here is hoping you have a HC steel rasp. I would first try a quench from non-magnetic in warm oil, tranny fluid or even used crank case oil may work well. If it does not harden in the oil then use brine. If you have a piece of the rasp remaining then do some testing on it rather than risk the blade. Good luck

Posted

Thank you chuck, I actually found a recipe and have heat treated the blade. I tested a piece of "scrap" and found that it was brine quench. Thank you again

Best,

Archiphile

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