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- Jan 17, 2004
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New article with a range of heat treating experiments on D2, PSF27, and CPM-D2 to provide specific recommendations on how to heat treat them. D2 is very common in knives and so knowing how to heat treat it correctly is important. PSF27 and CPM-D2 can be somewhat more expensive than D2 but have the same composition and a finer microstructure from better processing. I also provided some alternatives to these three steels for different combinations of properties. https://knifesteelnerds.com/2020/08/31/how-to-heat-treat-d2-psf27-and-cpm-d2/