Been cured

Raymond Richard

Raymond Richard

Joined
Jun 17, 2001
Messages
5,705
Everyonce in awhile something goes wrong with my brain and I think I've got something figured out. For some reason water quenching has been going threw my head so I decided, why not. I did an interrupted quench in warm water. 2 seconds in, 2 seconds out untill the blade was cool. Didn't hear any cracking and didn't see any cracks and I thought I was home free. After running a couple ht cycles last night I hit them with the grinder today and did a few etches. There they were, the cuttest little micro cracks you'd ever see. I feel better now and hope its something I remember for awhile. :D
 
I've had success with a water quench.......

once :D

I've got a blade sticking out of a flower pot that has the entire cutting edge peeled off. Kinda neat to watch it pull itself off in chunks. It was blamed on my wife for making me lose track of my count. She came out to the shop right when I was quenching the blade.
 
ray try it in cold water but just swipe it through just long enouph to get the edge below the transformation point, then take it it out,
it's fast
don't let the water contact the steel you'll have a steam jacket protecting the steel, you'll feel the vibabation don't let the viberation stop while
in the water
once out you'll have to swipe it through again to keep the spine heat from temping the egde to much, don't leave it in the cold water long it's a control thing..try that but be fast:D
 
Water one to two seconds and into heated oil or salts at tempering temp will improve your chances.:)
 
One of the blades was a Nash/Metro leaf spring blade .4C 2Si and the other was saw steel. I went with warm water. Didn't bother checking its temp.
 
there's a big difference in how it quenches in brine. Like a pound of salt per two gallons or even more....
 
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