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@ Vasilis:

“My new question; can we achieve maximum hardness with martempering? To my understanding, we can achieve high hardness while the piece of steel suffers the effects of crystalline...

@ Vasilis:

“If I could reduce the failure rate, that would be a big bonus since grinding a blank, at least for me, takes days.”

The laminar construction and/or differential hardening techniques...

@ Vasilis:

“If the piece of steel cools uniformly, no matter its speed, wouldn't that reduce greatly the formation of these cracks?”

“To my understanding, aside from inclusions and cracks in...

I believe “lead quenching” is used in the wire industry.

Liquid salt baths and liquid metal baths are also used for Marquenching/Martempering.

Your concern about the formation of a “vapour...