Another Coming Soon

Sounds like a winner, that will be nice. I would think the blade would need be 3 inches or better. I have a 1/16 thick knife from another maker and it is light and nimble, so John's version should be cool in 440C.
 
And a passaround? Now we are talking. Is 440C in that thickness a good buy? Have you ever used AEBL? I have a another parry knife in it too.
 
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I would be in for a passaround as well.

cbach8tw said:
And a passaround? Now we are talking. Is 440C in that thickness a good buy? Have you ever used AEBL? I have a another parry knife in it too.
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John can correct me if I'm wrong but as John and I have discussed this before, the HT is part of the problem with going with AEB-L as it benefits from a dry ice or sub-zero treatment and John isn't equipped for that. I think the conversation came up when I asked about A2 or 52100. He also would need to invest a lot of time in developing a HT so it lives up to his standards like his O1 heat treatment does and his HT oven has a limited number of programs which he's already maxed out. Because he doesn't want to farm out HT he limits his steel options to those he's dialed the HT for with his methods and equipment.

I do think 440C is a good steel for the money and from the other makers I've talked with, AEB-L can be a nuisance to work with sometimes as it is prone to warping, especially with thinner stuff. People doing the thin knives with it will harden it unground and then grind it as a hardened blank so it can take more work on the grinding side. It grinds nice but unhardened steel grinds much faster and kills less belts.
 
bikerector said:
I would be in for a passaround as well.



John can correct me if I'm wrong but as John and I have discussed this before, the HT is part of the problem with going with AEB-L as it benefits from a dry ice or sub-zero treatment and John isn't equipped for that. I think the conversation came up when I asked about A2 or 52100. He also would need to invest a lot of time in developing a HT so it lives up to his standards like his O1 heat treatment does and his HT oven has a limited number of programs which he's already maxed out. Because he doesn't want to farm out HT he limits his steel options to those he's dialed the HT for with his methods and equipment.

I do think 440C is a good steel for the money and from the other makers I've talked with, AEB-L can be a nuisance to work with sometimes as it is prone to warping, especially with thinner stuff. People doing the thin knives with it will harden it unground and then grind it as a hardened blank so it can take more work on the grinding side. It grinds nice but unhardened steel grinds much faster and kills less belts.
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Thanks, that was the info I was looking for, it helps. 440C is good steel too, I have a few Childress neckers and they hold an edge well.
 
JK Knives said:
I should be showing the knife this week (if all goes well). This one is a little small, but it’s all the steel I had left. If it works well I may order more steel and scale it up a bit.
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Thanks, the different steps in heat treating and shaping are interesting. I did not know you can program ovens for the heat treatment to get the best results. Does the heat treat involve different temperatures and times? Different cycles? Thanks.
 
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