Heat treat

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wsv

Joined
Mar 24, 2018
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Is there a general reference for ht protocols for common knife steels? Thanks
 
From what I have seen here one goes to the maker of the steel for the basic info then there are alloy whisperers here that can tweak that to make magic happen.
Personally I annealed and then "heat treated" a file once. :D :rolleyes:
Check out the do it yourself home crowd at this link :
https://www.bladeforums.com/forums/maintenance-tinkering-embellishment.794/

And the Pros at this link :
https://www.bladeforums.com/forums/shop-talk-bladesmith-questions-and-answers.741/

Look at the threads in the yellow section above called "stickies" when you get there; maybe some info there.
 
The ASM Heat Treater's Guide is a good book to learn about HT and what is going on.

I agree that Alpha Knife Supply has a great database.
 
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Wowbagger said:
From what I have seen here one goes to the maker of the steel for the basic info then there are alloy whisperers here that can tweak that to make magic happen.
Personally I annealed and then "heat treated" a file once. :D :rolleyes:
Check out the do it yourself home crowd at this link :
https://www.bladeforums.com/forums/maintenance-tinkering-embellishment.794/

And the Pros at this link :
https://www.bladeforums.com/forums/shop-talk-bladesmith-questions-and-answers.741/

Look at the threads in the yellow section above called "stickies" when you get there; maybe some info there.
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Thanks somuch
 
If your just looking for basic and simple to fallow HT schedules I recommend AKS. There stuff is usually spot on for their steels. If you get your steel from someone else then who knows and if you get it from NJSB then all bets are off. If you do use NJSB for steel then fallow there schedules as some of there carbon steels have issues from alloy/processing problems. Even with their schedules it’s a crap shoot, or so I have found with there 1075-1084 stuff and I believe others had issues with their W2. STAY AWAY from eBay as I have had a bunch of customers get scammed. I get all my steel from AKS when it’s not a bunch of one alloy. Thy have always treated me great and there steel is all ways spot on with their HT schedules. I don’t receive anything for recommending them I just have always get what I need.
 
JTknives said:
If your just looking for basic and simple to fallow HT schedules I recommend AKS. There stuff is usually spot on for their steels. If you get your steel from someone else then who knows and if you get it from NJSB then all bets are off. If you do use NJSB for steel then fallow there schedules as some of there carbon steels have issues from alloy/processing problems. Even with their schedules it’s a crap shoot, or so I have found with there 1075-1084 stuff and I believe others had issues with their W2. STAY AWAY from eBay as I have had a bunch of customers get scammed. I get all my steel from AKS when it’s not a bunch of one alloy. Thy have always treated me great and there steel is all ways spot on with their HT schedules. I don’t receive anything for recommending them I just have always get what I need.
Click to expand...

thanks I appreciate it
 
AKS is a great source for heat treat info. Some steels have more “modern” heat treat schedules figured out and many of those results can be found by looking through or searching knifesteelnerds.com. There is great info on 52100, 26c3, cruforgev, z-wear/cru-wear, and several other steels. The toughness testing has a lot of different heat treat protocols, tempering temps, and Rc numbers to browse through.

The tempering chart for 8670 from AKS is quite a bit off from our testing. With a 1525f austentize, you need to temper much higher to get below Rc60 if that is your goal.

Kevin Cashen has some great info on his website as well.
 
Willie71 said:
AKS is a great source for heat treat info. Some steels have more “modern” heat treat schedules figured out and many of those results can be found by looking through or searching knifesteelnerds.com. There is great info on 52100, 26c3, cruforgev, z-wear/cru-wear, and several other steels. The toughness testing has a lot of different heat treat protocols, tempering temps, and Rc numbers to browse through.

The tempering chart for 8670 from AKS is quite a bit off from our testing. With a 1525f austentize, you need to temper much higher to get below Rc60 if that is your goal.

Kevin Cashen has some great info on his website as well.
Click to expand...
Thanks
 
Yeah I also agree on the temper charts. Rarely are thy identical to what we see. But we don’t normally look at that part. We have documented all our tempers and hardness values for our heat treating. This has given us a graph so to speak that guides us in further tempering to desired hardness.
 
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