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A quick note on the cryo. Oh, I have the flu, and my brain is jello... Please forgive me if this doesn't make any sense.

For O-1 steel, cryo. treatment is not needed and is usually a unnecessary...

Salt at 1490F is used to heat the blade. It is great for protecting the surface of the steel from oxidation, very even heating, and precise temperature control.

A different salt, at 375F - 450F,...

If you're after Banite, as opposed to Martensite, that will work.

First, the blade must be properly normalized and spherodize annealed. Then,

If using a gas forge, for O-1:

1. Heat to 1500F - All "shadows" are gone. No soak at temperature. It is too easy to...