• JR Knifemaker
    78
    Morning all
    I was looking at the tech specs of D2 on GFS and see that if you take it to 1020 degrees C you can simply air cool and... job done.
    Anyone got thoughts on air cooling? Feels like a nice easy way of doing it.
    Jake
  • Jeff Kushen
    49
    Hi JR!
    Sorry this got missed for so long. I used D2 early on and I noticed a SIGNIFICANT difference between Air/plate and oil hardness and edge retention.
    Air quenched with just air compressor nozzle was the softest. I could still scratch it with a file.
    Plate quenched with air nozzle was harder. file skated.
    Oil quenched in canola heated to 115-125 Degreed F was hardest. and took the most elbow grease to sand clean. ;-)

    Try it with a few coupons or a couple small blanks and see what performs best for your design and process! Document all the way so you can repeat what works!
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