1095 Heat Treat Question

G

ggoose

Joined
Apr 30, 2014
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139
Hello Everyone,

I'm just about to heat treat some 1095 and I'm curious if those of you who heat treat your own steel recommend using an anti-scale compound for 1095? I have seen threads/articles go both ways - with and without. Does the anti-scale compound have any detrimental effect on the life of the quenchant (Park 50 in this case)?

Thanks for any help...
 
By what method are you heat treating? What state was the steel originally in, in regards to its anneal? Are you thermal cycling?
 
By what method are you heat treating?
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Kiln

What state was the steel originally in, in regards to its anneal?
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From Aldo, annealed

Are you thermal cycling?
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I hadn't planned on it, but will if it yields a better quality heat treat. I am doing stock removal only, so I didn't think thermal cycling was necessary...
 
I probably didn't answer the first question sufficiently; from a thread post by Kevin Cashen on heat treating 1095:

Heat evenly to 1475F for 10 minutes then immediately quench in fast oil (fast enough to cool the steel through the 1200F-1000F in less than .5 seconds). For simplicity sake cool to at least 150F before tempering. This should get you a full 65HRC hardness with no problem, tempering should be done without delay. Tempering should be for 2 hours at the temperature to reach the desired final hardness. 400F to 450F is a good range for knife blades.
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If it came from Aldo you'll need to thermal cycle to get the most out of the steel. To my knowledge, it is highly spheroidized in which case atp641, foil or satanite will help.
 
This is how I go about it:
1. Heat to 1650, soak for 10 min., & air cool to black.
2. Heat to 1550, soak for 10 min., & air cool to black.
3. Heat to 1450, soak for 10 min., & air cool to black.
4. Heat to 1475 soak for 10 and quench in parks 50
 
carbonsteel928 said:
This is how I go about it:
1. Heat to 1650, soak for 10 min., & air cool to black.
2. Heat to 1550, soak for 10 min., & air cool to black.
3. Heat to 1450, soak for 10 min., & air cool to black.
4. Heat to 1475 soak for 10 and quench in parks 50
Click to expand...

Thank you for the recipe! I'll give it a go...
 
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