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Old 02-24-2017, 05:40 AM
WBE WBE is offline
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Join Date: Feb 2009
Posts: 484
No, that does not mean you over heated, it means you had inadequate scale and decarb protection. I always soak for 20 minutes, and usually three at a time. The last blade will have been soaked for maybe 28 minutes sometimes. Scale and decarb are nil. ATS-641 is sold by Brownell's and some other sources. It is reasonably priced, and a container will do many blades. As mentioned, for the main heat for quench, I coat the blade with one coat, let dry over night. Then apply a second coat, dry with heat gun or hair dryer, then add a third coat along the cutting edge and dry with dryer. Then they go into the oven into slots in fire bricks edge up centered under the thermocouple and then go through my set program. The fire bricks, as well as holding the blades up closer to the thermocouple, also hold heat, making faster returns to temp, when the door is opened and closed.
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