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Ed Caffrey's Workshop Talk to Ed Caffrey ... The Montana Bladesmith! Tips, tricks and more from an ABS Mastersmith.

 
 
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Old 08-29-2004, 08:59 AM
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Ed Caffrey Ed Caffrey is offline
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Your mehtods for cryo treating..gathering data

I had an interesting conversation yesterday, concerning cryo-treating blades. The methods used by the individual I was talking with at first seemed odd, but the more I thought about it, the more sense he made. Anyway, it made me think about the various methods that we use, so I thought I would ask a couple of questions to everyone here.

First, at what point do you cryo-treat your blades? What are your thoughts of the duration required for cryo-treating? (time) And, do you cryo-treat a specific blade more than one time?

For 52100 my method is to multiple harden the blade, conduct a "snap" temper, and then go into the cryo. Duration wise, I go for 6-8 hours in the cryo, and allow the blade to warm slowly back to room temp by placing the blade(s) between two layers of ka-wool. I follow this up with a triple temper, and then complete the knife.

So, don't be bashful........what methods to you use for cryo-treating your blades?


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440c, aeb-l, art, bee, blade, blades, build, building, cold, cryo, custom, custom knife, knife, knife making, knives, makers, making, quenched, simple, small, stainless, steel, temper


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