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Thread: Best custom knife maker NZ

  1. #31
    Purveyor of Fine Cutlery terryf's Avatar
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    Dec 2017
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    Double and triple tempering is effective with certain specific steel types in conjunction with cryo but its definitely not a one size fits all and for the most parts it shouldn't be necessary. Another thing to consider is that the more you temper the lower the final HRC will be.
    Regards
    Terry

    https://www.knives4africa.co.nz/
    Custom knife dealer

    Authorised Nitecore Torch Retailer
    NZ Distributor of Nano-Oil

  2. #32
    Member
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    Oct 2021
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    I have a Von Gruff, I've seen another.
    What I will say is he has a great reputation on the African forum and has sold high quality knives to many members.

    That's not discounting others name here.
    @cobber an NZHS member is a knifemaker too.

  3. #33
    Member
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    Mar 2014
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    Quote Originally Posted by Black Rabbit View Post
    I mean 3 times of tempering in different temperatures, and one final quenching on the edge. I was told by a Japanese metal engineer long time ago.
    That's a process called normalising. It's used to refine the grain structure of the steel after forging and before austenitizing (hardening)

    Essential process for a forged blade, you get big grain growth during forging due to the high temps which if left unchecked creates a brittle blade

 

 

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  1. Need a custom hnife maker in NZ ?
    By ChrisF in forum Gear and Equipment
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    Last Post: 07-04-2015, 04:45 PM

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