Thread: Now here is something you don't see every day :)

Originally Posted by Bruno

I could not get the blade in the tank quickly enough before the air cooled the edge to below critical
.

I grind pretty thin before heat treating and had this same issue with the edge cooling as soon as it was removed from the heat. Then it was pointed out to me that that cooling was all part of the quench and as long as I was staying left of the nose on the TTT diagram, there should be no problems.
http://straightrazorpalace.com/attac...40927small.jpg