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Heat Treating and Metallurgy Discussion of heat treatment and metallurgy in knife making.

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Old 06-08-2022, 08:54 AM
Chris Railey Chris Railey is offline
Join Date: May 2021
Location: Waynesboro, Georgia
Posts: 60
Is my logic sound?

I really prefer to grind after HT whenever possible. I recently completed a Stainless Steel San-Mai billet from 416 and 1095. The resulting knife is ready for HT but it is a good 3/16 full in thickness. I normally do not grind anything over 1/8 post HT. BUT I figure the 416 will harden a little when quenched (at 1095 numbers) but not hard enough to greatly effect my grinding. So really it should be no problem to grind this thick of a Stainless San-Mai blade post HT. What say you?
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Old 06-09-2022, 02:34 AM
Doug Lester Doug Lester is offline
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Location: Decatur, IL
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I can't say for sure but you have the blade already forge welded and ready to grind the bevels in so there's nothing to loose by just going for it. If you grind then heat treat you could have more of a problem with the blade warping. If nothing else it will be a learning experience.


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Last edited by Doug Lester; 06-09-2022 at 02:36 AM.
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Old 06-09-2022, 09:55 AM
KenH KenH is offline
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Join Date: Dec 2012
Location: South Baldwin Co across the bay from Mobile, AL
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I'm assuming you have the blade profiled at this point? All holes drilled? Depends on blade length. A short blade should be as prone to warp. With that said, you're not going to be much harding with the 416 so it's going to grind just fine post HT, and only have the thin center core of 1095.

I'm thinking grind post HT since I don't think there will be that much difference in work.
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Old 06-09-2022, 10:00 AM
Chris Railey Chris Railey is offline
Join Date: May 2021
Location: Waynesboro, Georgia
Posts: 60
Exactly what I was thinking on both counts. Post HT it is...
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1095, billet, blade, ca, forge, grind, grinding, harden, knife, post, problem, quenched, stainless, stainless steel, steel, thickness, thin

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