What is detempering?


We’ve just put some new knife sharpeners on the site and I noted in the description that they prevented ‘detempering’.  So what does that mean? (Greg said it would be useful to know for when I got angry!)

Well I checked with the supplier, Chefs Choice and they told me that steel goes through a process involving slow and moderate heating to increase the hardness and toughness of the metal – called tempering.  If your knives are not sharpened properly then this hardness can be compromised.

Wow! Next week I’ll be explaining the theory behind the Higgs Boson!!!

At first I thought the electric sharpeners were expensive, but then I thought: If you’re going to spend a lot of money on good quality knives that will last a lifetime, then shouldn’t you make sure you have the best possible sharpener too?

Anyway have a look for yourself – Chefs Choice

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