I have not had a chance to heat treat anything since before Blade. I am trying to get a few more blades ready before I go and fill up my cryo tank. That stuff doesn't last very long in this summer weather so I need to get the most out of it. Getting hard enough is will not be a problem. We just need to find that ideal sweetspot for both edge holding and toughness. I believe Phil recommended it at 61-62 for all around use.
That is a tradeoff for extreme wear resistance. But luckily they will only require sharpening every once in a long while. Abrasives like silicon carbide, ceramic, and diamond cut even super hard steels very easily. Personally, cpm-m4 is about as much edge holding that I will ever need.
Yep, it has been heat treated and tempered. Currently at 64rc as per Phil Wilson's heat treat recommendation. I don't really look forward to finish grinding cause I know it is gonna suck!
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