I'm no metallurgist, but does anyone know at what point do hot tempatures damage a knife blade? I'm asking from a practical standpoint. In other words, if you inadvertently leave your knife on the dashboard of your car and the knife gets real hot, will it damage the steel? By accident I sometimes have let my knife blades get hot, almost too hot to touch, and I was wondering if this alters the strength of the blade steel. Thank you in advance. -C.B.