I rarely soak fro more than 10 minutes, unless there is something amiss in the carbide size and dispersion. Tempering is a matter of Desired Rc hardness for that specific blade (tempering effects will depend largely on the outcome of the quench and the amount of carbon locked in solution). For most knives, that I would use this alloy on, I would start at 350?F and not exceed 400?F. Tempering should always be around 2 hours in total time.
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