15n20 heat treating for a FILLET knife?

Discussion in 'Heat Treating Forum on KnifeDogs' started by Kentucky, May 25, 2010.

  1. Kentucky

    Kentucky Well-Known Member

    Im gonna make a new fillet knife and am thinking about using 15n20 since I have the right size available. What temper do you suggest to give the blade just a bit of flex. If Im not istaken its either .049 or .065...In fact I think I have both. OR do you think since its already so thin it will flex enough at around 56-57rc?
     
    Last edited: May 25, 2010
  2. Robert Mayo

    Robert Mayo Well-Known Member

    Flex has nothing to do with the hardness it is all about thickness. Your fillet knives will flex the same hard as they will soft so go for higher hardness and edge holding.

    Bob
     

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