Thread: D2
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Old 04-12-2017, 09:32 AM
jimmontg jimmontg is offline
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Join Date: Jan 2016
Location: Now live in Las Cruces NM.
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For D2 I use a fan to quench. But initially I had some failures doing plate quenches and I worked in a machine shop so 2" thick plates were no problem. Since I was doing a dry ice quench I always did a one hour snap temper at 400 degrees as just laying it between blocks of dry ice caused a few failures. I mean like a week afterwards. Not often, but it did happen. It was Hinderliter heat treat that told me about the snap temper. Just dropping into LN causes internal stresses that may not show for some time, or may never show, but they are there nonetheless. Just my 2 cents. D2 is a picky steel and this is what worked for me, I used a 3 day quench in dry ice BTW and came out with RC59-61 which was my target.
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