Flame Hardening O1

Bob,
I have no clue about flame hardening, but reading this thread made me wonder.
I assume using flame hardening in combination with boric acid is a bad thing because it interferes with the carbon absorption into the steel?

Thanx,
Peter
Our founder Nels has written a nice article on heat treatment. "Heat Treating (annealing/hardening/tempering) Metals". it's in the Beginners Forum.
 
Bob,
Thanks for your replies.
I have found the article you mentioned, an am reading it.
Peter.
 
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