Quote:
The Rockwell scales are used to test a given materials ability to resist surface indentation. Hardness does not automatically mean more edge holding because of the types of carbides contained within the matrix of a given alloy of tool steel, as well as the composition of the matrix that supports the carbides.
There are tool steels that have better edge holding at a lower Rockwell hardness than others that are harder.
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This forum has really opened my eyes to the complexities of making a knife. I used to think it was a matter of forming a piece of metal into the shape, sharpening it, and slapping a handle of some sort on there....boy was I wrong.