Thermal Cycling 1084 in forge

[Justin Presson]

So I'm off and running on this forging thing whether the knife is going to turn out like it does in my head is yet to be determined.

My question is after I get it forged to shape I want, how do I thermal cycle the blade before heat treating it?

I was thinking I read somewhere to heat it up to cherry red and let cool to black a couple times but not sure would love some expert advice.

Also generaly how far do you take your edge down during forging before heat treat? I would assume about the same as you would or a little thicker than when you do stock removal but really dont know.


Thanks for the help

JP

 

[LRB]

First anneal, then

Bright red-orange, air cool
bright red, air cool
red just above non-magnetic, air cool
Then 1 or 2 of heats just under non-magnetic.

If you had an oven, or other heat control,
1650
1550
1450
Then 1 or 2 below non-magnetic