just so everybody is on the same page as to heat treatment of knife blades
quenching is fast cooling of the blade after it has been heated to a certain temperature for a prescribed time to make the blade hard but brittle
tempering is a heating of the blade to a lower temperature for a longer time to make the blade slightly softer but tougher
this can include a deep freeze cycle
annealing is heating a previously hardened steel to a prescribed temperature and cooling slowly at a fixed rate to make the steel soft
as thar has said a great steel coupled with a great heat treat makes a far superior knife
cheers john
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