hardening

Long time reader, first time poster here. So I've got a frizzen here that I can't seem to get any life out of. I've got several other flintlocks, and managed to get those to shoot flames after a little bit of trial and error. This is the first one I've gotten where I can't seem to get anything...

It seems the answers to every how-do-I frizzen hardening question are universal, one size fits all - no one ever asks for more details: a frizzen is a frizzen is a frizzen. Heat the bugger up and quench it. But at the same time, I often see discussion about the difference of...