Hand Tools

Subject:
spicy white at 65 hardness...

David Weaver
...this isn't going to be some wondersteel above and beyond files, 52100 and O1 and such, but this demonstration is a good one as to why chasing toughness for woodworking tools is a bit of a waste, especially if you have to give up hardness to get it.

https://www.youtube.com/watch?v=wsjR6tUXxGo&t=69s

At c65, cutting a steel can.

I've forged small mules with file steel and cut nails with them without issue - the key is finding geometry where their toughness is high enough. For softer steels, the toughness isn't an issue, but doing the same geometric manipulation is needed to get enough edge strength.

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