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  #1  
Old 12-07-2012, 05:36 PM
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ArtinNC ArtinNC is offline
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Problem Heat Treating.

Hey, I got a problem. When I HeatTreat I put a piece of brown paper in the SS envelope to burn up the oxygen up. Well I couldn't find my brown paper that I always use so I used a piece of writing paper . And after HT it left a mark on the blade like the shape of the paper so no problem because this blade is to be bead blasted RIGHT ?? So I bead blasted it and you can still see the out line of the paper . So I'll just grind it off and re-bead blast it and guess what ? I'v ground the blade three times mark is gone after each grind and after I bead blast it is still there after bead blast. SO NEVER very from your way of doing things. And this knife is a rush job.
I use brown paper that you buy in a roll at Lowe's in the paint dept and have never had a problem with it. So now I'll put the paper down by the handle.
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Old 12-07-2012, 09:10 PM
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Cut out a cool design in the paper
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Old 12-07-2012, 10:58 PM
Imakethings Imakethings is offline
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I like Eli's idea.

If I had to hazard a guess I think you're getting a reaction with the residual chlorides used to bleach the paper.
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Old 12-08-2012, 05:07 AM
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Yeah I used white pager this trime , and usely use brown paper . But can't beleive that it shows up when I bead blast it again after I reground the blade. Just thought that other people would like to know this.
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Old 12-08-2012, 08:06 AM
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I think it is caused by high carbon in the paper.
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Old 12-08-2012, 08:18 AM
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More info http://en.m.wikipedia.org/wiki/Carburizing
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