help with heat treating

[Belstain]

If i do a differential heat treat on a 1095 blade with clay on the back half should i quench in water or oil and do i need to temper it?

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I'm a Schizophrenic and so am I

 

[Rick Leeson]

It is usually a good idea to quench blades in oil to prevent cracking the edge. Yes, once hardened it will need to be tempered.

BlacksmithRick@aol.com

 

[Danbo]

A friend of mine, Kevin Cashen- ABS Mastersmith, once told me "The only thing I do with water in my shop is drink it." Usually, when a steel is listed as water hardening, they are referring to big thick industrial size pieces. Most makers quench water hardening steels in a very fast quench oil.

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Danbo, soul brother of Rambo

 

[Robert Marotz]

Also depends on what you want, if yer doing something Japanese-style, you quench in water. Otherwise if you just want that little line there, light oil will do.

Shinryû.