How to Heat Treat AEB-L

How to Heat Treat AEB-L

Heat Treat Instructions for AEB-L Stainless Steel:

There are 2 versions, the first one is without Cryo treatment;

  • Heat to 1560 F(849 C) and let come to temperature for 5 mins
  • Ramp up to 1940 F (1060 C) and hold for 15 minutes
  • Quench in oil, between plates or even air cool
  • Temper at 300 F (149 C) for 60 HRC, 200 C for 58 HRC.
  • Temper time not listed but assuming a solid 2 hours x 2 cannot hurt

The above is from Alpha Knife Supply in the US, we have just converted the Fahrenheit to Celcius.

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The more advanced heat treat recipe including Cryo for higher HRC:

  • Heat to 1560 F(849 C) and let come to temperature for 5 mins
  • Heat to 1975 F (1079 C) and hold for 15 minutes
  • Quench in oil, between plates or even air cool
  • Cryo: Cool to -95 F (-70 C) with no hold time, just cool down and move to tempering
  • Temper at 300 F (149 C) for 62 HRC, 400 F (200 C) for 60 HRC.
  • Temper time not listed but assuming a solid 2 hours x 2 cannot hurt
30th Apr 2020 Bjorn J

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