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Okay thanks for the info. Well it COULD be the finish with a scotch brite wheel though I've never experienced that before, or it COULD be that I did not sand through the decarb layer. I did final grinding after HT with 240 then 400, then scotchbrite. But it isn't so much grinding as it is finishing. But still I would have thought it would be deep enough to get rid of the decarb.
Unless the decarb was deeper than normal.
When quenching this blade (1095) I realized I wasn't getting hardness as before and ended up using a brine quench, after two previous attempts with what I now realize, must have been "used up" canola oil.
I don't know if 3 heating/quenching cycles would have caused deeper decarb or not.
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