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

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  #1  
Old 10-23-2009, 03:11 AM
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DiamondG Knives DiamondG Knives is offline
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52100 Heat Treat Recipe

Ive searched, and came up empty. I know there must be a post here somewhere but I couldn't find it.

I forging a 52100 blade after being away from it for 3 years.

I will be using a gas forge, and working with a magnet.

If anyone has a good method of heat treating 52100, Id appreciate it!

What type of quench you are using would be helpful also.

Thanks in advance.

God Bless
Mike


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  #2  
Old 10-23-2009, 06:19 AM
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52100 is not a simple steel and for proper performance temperature and time control are important . At least use a thermocouple in that forge. BTW annealing 52100 or any high carbon steel can cause serious problems.
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  #3  
Old 10-23-2009, 11:51 AM
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Alan L Alan L is offline
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Hey Mike, have you asked Len Landrum? He makes the toughest darned 52100 blades of anyone I know. At Bowie's this year Wiggins took a 1/8" deep chunk out of the steel frame of the cutting table with no discernable damage to the edge of his blade, 52100 HT'd by Len. If you don't have his number, PM me and I'll hook you up. I know he'd like to hear from you!
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Old 10-23-2009, 12:53 PM
L. McAlpine L. McAlpine is offline
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mete,
I have the means to do the controls (heat treat oven and high temp salts) and I would really like to hear your detailed advice on heat treating 52100 from start to finnish. if you have alredy done that in another thread etc. could you direct me to it? Thank you very much.
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Old 10-23-2009, 03:28 PM
AcridSaint AcridSaint is offline
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I suggest looking at these two pages as a start:
http://www.crucibleservice.com/esele...bon/52100.html
&
http://www.cashenblades.com/info/steel/52100.html

Who knows how long the Crucible page will stay up.


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Old 10-25-2009, 01:53 PM
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I don't have anything specific but Cashen's info is as good as any. He started a long thread on BF about hypereutectiod steels and that is a good general discussion about those steels .Well worth reading that thoroughly.
You mention a magnet but that has no use for you , rely on temperature controls.
Max forging temp - 2100 F
Mf -235 F , Ms - 480 F
I could answer specific questions better than general.
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  #7  
Old 10-25-2009, 03:38 PM
caseynz caseynz is offline
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here you go,
i was just reading this recently.far too much information!
http://www.bladeforums.com/forums/sh...d.php?t=675419
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Old 10-26-2009, 07:16 AM
brucegodlesky brucegodlesky is offline
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Glad to see ya back Mike!


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Old 10-28-2009, 12:32 AM
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Quote:
Originally Posted by caseynz
here you go,
i was just reading this recently.far too much information!
http://www.bladeforums.com/forums/sh...d.php?t=675419
Thanks for the link , that was a good read and now a bookmark.


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Old 04-19-2016, 11:49 AM
Doug Lester Doug Lester is offline
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There was a good discussion of heat treating 52100 on hypefreeblades forum. It was pretty much lead by Kevin Cashen. You might log in over there and do a search.

Doug


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  #11  
Old 04-25-2016, 08:48 AM
Kevin R. Cashen Kevin R. Cashen is offline
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Quote:
Originally Posted by hnoor0066 View Post
I would really like to hear your detailed advice on heat treating 52100 from start to finnish. if you have alredy done that in another thread etc. could you direct me to it?????


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NOOR
What parts would you specifically like to know about? 52100 is a fairly temperamental steel, I have seen more bizarre things said about heat treating it than just about any other, and that is mostly because of a widespread lack of understanding about its characteristics. Many folks fail to meet its specific needs from the get go and end up with complex rituals trying to get it back on the right path.

The first thing you must remember is that it was designed specifically for bearings, so the process recommended by industry needs to be adjusted slightly, something I seldom find with many other steels, where problems often arise from folks no sticking to the procedures closely enough. So ignore the standard industrial hardening heat and go for 1475F instead.
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