Posted by Lanse on March 16, 2013 at 12:58:14 from (206.55.217.126):
Hey everyone!!
Hope y'all are having a great weekend...
Anyway, I just got a nice torch set on loan to make some videos with...
And there's something I really want to learn more about, practice a little, and then hopefully make a video about...
Back in high school, we learned a little about the Quench and Temper process... Basically, we welded up these chisels from scrap mild steel, then took a rosebud to the tip, got it glowing red hot, and dunked it in water, which we repeated several times...
The steel had a different "ring" to it when struck after the redneck heat treatment, and was much harder... It would actually take a bite out of mild steel instead of just smashing into it...
I still have my chisel...
Anyway, Its something I've only done once, but it fascinated me. I really want to try it again, but I want to understand HOW it works a little better before I make the video, not just how to do it...
Really, if anyone has any good information to share, I'm interested... I've read that some people use oil instead of water... I'd be concerned about the potential fire hazard... And what difference does it make? Maybe the oil doesn't infuse the steel with hydgren which would make it brittle? Thats my best theory...
I also wonder if you can "over-temper" something, ya know, heat it and dunk it too many times, and mess it up somehow...
IDK, just like spark testing and welding cast iron, its something I want to learn more about, and get good at...
Just curious... Thanks in advance... Have an awesome weekend!! :)
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