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

 
 
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Old 01-16-2015, 07:36 PM
ss caustic ss caustic is offline
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Join Date: Jan 2015
Location: Canada
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Question : heat treat

Ok, so I've been researching heat treating info and process logic and ran across this site , seems to be a great resource .

-http://www.navaching.com/forge/heattreat.html

I did come away with a question on heat treat though and it has to do with once you get past the "nose" of the s curve from 1450f down to 900f in the example ( from web site), what effect does cooling all the way down quickly to 125F have , alternately what effect does following the s-curve more closely to the 125F.

is it only about managing the thermal shock or will one :

1) have a higher HRC #.?
2)have a finer grain structure ?
3)have any thing else different ?

I'll re-read the pc. in case it is staring me in the face , but in the mean time anyone willing to clarify would be much appreciated

hope this makes scene , thanks
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1084, art, bee, blade, boot, carbon, file, forge, hand, harden, heat, heat treat, knife, knifemaking, make, metallurgy, o-1, post, simple, steel, surface, toughness


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