edge9001 Posted June 8, 2010 Share Posted June 8, 2010 Today I attempted to make a knife from steel other than mild HD flat bar. I used an old lathe tool to make this blade. I hardened it and then...this happened. Before tempering it(big mistake) i tried to make a copper handguard for my knife. anyone ever hear of copper breaking steel. now you have. I did it. I know before everyone yells at me for not tempering it. My ADD got the better of me and I got on a side track and tried to do something else first. Now I need to decide should i try to forgeweld it back together, or throw it to the scrap pile. as i have never welded before i will probably scrap it for now and learn to weld later. Quote Link to comment Share on other sites More sharing options...
Jim L. Posted June 8, 2010 Share Posted June 8, 2010 Why not reforge a new tang from about an inch from the break? Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted June 8, 2010 Share Posted June 8, 2010 Exactly what type of lathe tool did you use? Some tool steels have a very narrow working range, go out of it, and you have problems like cracking. I would second putting another tang on what you have. Quote Link to comment Share on other sites More sharing options...
edge9001 Posted June 8, 2010 Author Share Posted June 8, 2010 It was a wood lathe chisel a half round profile 1-1 1/2 inch wide. similar to the third from the left in the picture. I was really looking for a longer blade than that, but by the time I get around to messing with this blade again, I probably will forge a tang with what is left. it's still agrivating though. This blade was almost finished, I wasn't going to polish it. I was just going to mount it to the oak handle with some epoxy for a hidden tang with a copper guard and leave it black. Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted June 8, 2010 Share Posted June 8, 2010 I had a friend harden a blade late at night and then decide to temper it in the morning. Next morning it was laying on his workbench in pieces. Temper IMMEDIATELY after hardening! Do not pass go do not collect $200 Quote Link to comment Share on other sites More sharing options...
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