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

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Old 03-10-2014, 12:43 PM
Harris Harris is offline
Join Date: Mar 2014
Posts: 1
Differentially Hardened D-2

Just finished a couple of Prototypes on a new line of knives. It took close to a year to come up with a way to differentially harden air hardening steels but nailed it. Edge is 60-61 Rc, body is under 45Rc.

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Old 03-10-2014, 02:39 PM
Doug Lester Doug Lester is offline
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Location: Decatur, IL
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Those knives look good. It must be an interesting process to allow you to differentially harden D2.


If you're not making mistakes then you're not trying hard enough
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blade, edge, harden, knives

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