Heat Treatment
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About This Film
Heat treatment is one of the most critical steps in knife making. Learn about the science of austenitizing, quenching, and tempering steel to achieve the optimal balance of hardness, toughness, and edge retention. Understand how temperature control and timing affect the molecular structure of the blade.
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Knowledge Check
Q1.Knife makers make up their own heat treat recipes based on tribal knowledge, voodoo hearsay, and web forum chit chat with other makers.
Q2.Why are the blades heat treated in an inconel bag? (choose all that apply)(Select all that apply)
Q3.How many times is each blade inspected for hardness at MKT?
Q4.Every blade at MKT is inspected for straightness and is straightened throughout the quenching process while still hot.
Q5.Cryogenic treatment of blades is necessary for the best results.
Q6.Heat treating is finished when we have made it as hard as possible.
Q7.Multiple draw or tempers relax hardened blades to their ideal knife hardness.