How about steels that are easy to sharpen yet hold an edge a long time, with good toughness?
David 1.2562 @ 67-68HRC. I have no experience with that steel, I was actually thinking of CPM 3V @ 60HRC. David 3V isn't going to hold an edge to the degree of S30V but will be a tougher steel. As far as sharpening goes it has a fair amount of Vanadium so it needs the proper stones to sharpen to make it fit your criteria of ease of sharpening. I am a fan of 3V but not in a hunting/field knife. Bushcraft or fighter would better suit its use. S30v may hold a good working edge, but it does not stay sharp sharp.
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