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High HRC Heat Treat for AEB-L?
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Thread: High HRC Heat Treat for AEB-L?

  1. #1

    High HRC Heat Treat for AEB-L?

    Hello All,

    I have heard tell of people getting AEB-L to 63, but how they do it is another story. Does anyone have a program they are willing to share?

    Thanks

    John

  2. #2
    Why would you? It performs so freaking well at 59-60.

  3. #3
    Quote Originally Posted by BurkeCutlery View Post
    Why would you? It performs so freaking well at ~60.
    Because I prefer a harder blade.

  4. #4
    Senior Member K-Fed's Avatar
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    I'm no metallurgist nor hammer wielding smithy but from what I've learned every steel has a sweet spot in the hrc scale at which it performs best. Given that some of the best knife makers in the business keep the hardness ~60 I would expect that that's where it should be to get the best results out of the steel.

  5. #5
    Quote Originally Posted by K-Fed View Post
    I'm no metallurgist nor hammer wielding smithy but from what I've learned every steel has a sweet spot in the hrc scale at which it performs best. Given that some of the best knife makers in the business keep the hardness ~60 I would expect that that's where it should be to get the best results out of the steel.
    Not for nothin', but Devin Thomas, a man who knows a thing or two about steel, takes his to 61-62. He keeps his methods, understandably, to himself, hence my posting here.

  6. #6
    The difference between 60 and 61 is pretty minor. The difference between 61 and 63 is not.

    I would just consider a different steel. Not all steels do well at that hardness. It will get brittle.

  7. #7
    I could live with 62 - what approach would you recommend to get there?

    If not, what stainless would you recommend to get to 63?

  8. #8
    Senior Member
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    For hrc 63, you should be looking into some pm steels. cowry x, zdp189, sg2 and srs-15 would all be pretty capable at 63, albeit probably pretty expensive

  9. #9

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    I'm having Peters heat treat my AEB-L and their knife guy Brad--someone who knows his heat treats and his steels--has told me that 60 is the highest anyone should reasonably expect from AEB-L and he won't promise to get blades any harder than that on that steel. I think that casts some doubt towards those makers who are advertising 62-63 with the steel. Brad at Peters is using cryo, etc.. I got some back from him at 59-60 and they perform REALLY well and are a pleasure to work with.

  10. #10
    Senior Member DeepCSweede's Avatar
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    From what I have heard, Devin has been extremely helpful to some of the starting vendors on this site. You may want to send him a pm or an email. He might share his process with you if you ask. Never hurts to ask, worst thing he can do is say no.

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