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Yeh it REALLY surprised me but Jim did ask me to do a experiment....I HTed a 440c blade as normal..tested the hardness actually tested it twice (well I guess 8 times 4 test then average then another 4 test average) I tested so many times I wnted to make sure it was accurate and it was spot on,, THEN cryo'ed the blade again over night as usual and then let it warm to room temp and tested it again the results were the blade was almost a whole point harder (I would have to look I wrote it down) but I think it was .8 or .9 harder than what it was on the first test. this supiresed me so much I tested it 3 times (again really 12 times as I did 4 and average) I did not bend or try to break but sounds like a good idea maybe I will.....
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