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PD1 Question

Discussion in 'Big Chris Custom Knives' started by Fancier, Jun 9, 2017.

  1. Fancier


    Jul 1, 2012
    Good Morning Chris!
    I've seen you using PD1 and since I haven't seen very many blades in it I thought I'd ask your opinion of it. At your working hardness how does it compare to 4V?
  2. Big Chris

    Big Chris SAHD/Knifemaker Knifemaker / Craftsman / Service Provider

    Apr 1, 2010
    It is a very tough cold work tool steel.
    I have only used it large blades but it is no slouch.
    PD1 does not have the wear resistance of 4V but it is tougher.
    It is not readily available in thickness desired for a mens Comp Knife, but I do plan to make Mrs.Big Chris's Comp Knife from PD1.


    The above knife is in .280" PD1.
    It meets the required dimensions to be used in Bladesports Competition.
    It has also been tested for edge holding and durability to be used in a competition.
    I ground it to .025" and sharpened to 30 degrees inclusive with a very minute micro bevel to remove the burr.
    It was then used to chop through a 2x4 twice and about 10 cuts through a 3/4" Oak dowel.
    There was no edge damage and would still cleanly shave hair or slice paper.
    Fact is, I did not need to touch the edge up after testing as you could not even tell that it had been used.

    I will be using more PD1 for large knives.
    It is an exceptional performer.
    PolRoger likes this.
  3. Fancier


    Jul 1, 2012
    That sounds really impressive, thanks!

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