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Thread: Coil spring steel crumbling

  1. #51
    Senior Member
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    Nov 2013
    Houston, TX
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    Quote Originally Posted by Bruno View Post

    But you do want to make sure the edge itself is smooth and blunt. Because when you do differential quenching, you get a lot of tension when the spine contracts again while the edge has already 'frozen'. This is why katana have the curved shape. They go into the quench straight. So if there is a deep scratch, it will get ripped wide by the contractions of the spine.
    That's some knowledge you can take to the bank!
    Let me know if you need any help with shaving, honing, etc.

  2. #52
    aka shooter74743 ScottGoodman's Avatar
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    Sep 2009
    SE Oklahoma/NE Texas
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    I've watched some of that guys videos before, he knows what he is doing for sure.

    I've ordered some different furnace cement & will pick up some pottery clay for my next venture. I've got enough to keep me busy for a few days.
    Last edited by ScottGoodman; 03-26-2014 at 07:39 PM.
    Northeastern Texas & Southeastern Oklahoma Mentor/Helper...PM me if I can assist you.
    God Bless,

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