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

 
 
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Old 03-31-2020, 01:12 AM
Dan512 Dan512 is offline
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Join Date: Mar 2020
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My first heat treating, what do the experts say

So i just made my first batch of 4 small kitchn knifes.

steel,is 80CrV2 (or 1.2235 as we call it in Europe). Thickness at the spine is just under 3mm.

Hardened at 830C / 1526F in my electric oven and quenched in canola oil (45C / 113 F)

2 blades came out all bent and I broke them trying to straighten them out before the tempering, gotta learn the hard way.

But at least this way I could put them under the k##s cheapo USB microscope.

So here are the pucs

The 1st one is of a knife that I had to put through the oven 3 times before the file would sl##e over it, the final time I left it 10 minutes in the oven. So in all it will have spend approx 20 mi utes at 830C.

The 2nd and 3rd are from the second knife, it spent 6 minutes in the oven.

What do the experts think about the grain?
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a, bent, blade, blades, ca, edge, file, forge, grind, heat, heat treat, heat treating, hot, knife, made, metal, microscope, quenched, small, steel, thickness, tool steel, warping, what kind


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