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Originally Posted by Bill Harsey
Edited to add: D-2 is a legitimate knife blade steel. Some good knifemakers use it very successfully.
Here is the difference, you cannot grind D-2 into a super thin edge (like .015 to .007 thousandths of an inch thick before first sharpening) and expect it to hold up. It has to be left a bit thicker and I'd be comfortable with an edge thickness more like .035 thousandths of an inch thick for a folding knife or fixed blade hunter.
D-2, because of it's big carbide/grain structure does not have the transverse bend fracture strength of other tool steels so the edge will not stand up as well to prying or side load.
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Does this acount for the joke about D2 taking a crappy edge and holding it forever?
I have also heard it has a rep for not polishing well due to the orange peel surface.
The D2 I have carried is superb.
BTW, I had a scholarship from Latrobe Steel, they were good people.
Timken is famous for their fine bearings. I had no idea they had merged.
TR
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"It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat." - President Theodore Roosevelt, 1910
De Oppresso Liber 01/20/2025
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