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

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  #1  
Old 12-10-2004, 01:05 PM
pjelect pjelect is offline
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Heat treating ATS-34

Hello! I' new to your site and have enjoyed and learned from it as well. Now I have my own question. I'm currently making a 8 1/2" hunting knife from ATS-34. It is 3/16" thick.Instead of tapering the tang to reduce the weight, I chose to drill alot of holes in the handle then mill out the webbing to create somewhat odd looking square shapes. Am I setting myself up for stress fractures at these holes by leaving the mill finish in them? Also should I chamfer the edges of these shapes? Thanx, Pat
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Old 12-10-2004, 01:15 PM
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SteveS SteveS is offline
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I do that too. (I hope none of my handles break and people see the insides!)

I chamfer the edges. I also connect the dots with a dremel cut off wheel. I must say I've only ever had one crack. Forunately it wasn't near the edge.

So, I can't tell you what you're supposed to do (too inexperienced for that), but I can say it hasn't caused me any grief.

Steve


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Old 12-10-2004, 07:55 PM
pjelect pjelect is offline
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Thanks for the info Steve! I think what I'm going to do is take a dremel tool with a mild stone in it and try to dress up the cutter marks then maybe a cratex abrasive to polish it up a bit.And I will definitly chamfer the edges. Thanx again, Pat
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Old 12-11-2004, 05:38 PM
RJ Martin RJ Martin is offline
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Countersinking the edges of the holes is really all that should be required. I've done several thousand blades like that-never had one crack. You should leave a reasonable amount of "meat" between the holes, perhaps 1 drill diameter and stay about 1 drill diameter from the edge of the tang.


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Old 12-12-2004, 10:58 AM
pjelect pjelect is offline
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I feel a little more confident now, Thanx, RJ
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