cryogenic

  1. Jeff Conti

    Cryogenic treatment for Knife steel

    For this tutorial, I don't have any photos, but then they would be rather anticlimactic any way. I recently read: Heat Treatment, Selection, and Application of Tool Steels [Paperback] by Bill Bryson (Author). This is an excellent easy to understand and follow source. In it MR Bryson describes...
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