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Re: Re: DIY case hardening
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Posted by Fred OH on January 13, 2004 at 11:19:58 from (38.119.141.181):
In Reply to: Re: DIY case hardening posted by T_Bone on January 11, 2004 at 04:04:43:
Anything with carbon in it can be used to case harden steel. One thing used in the past was bones...it transferred the carbon from the bones to the steel. Another thing was potassium cyanide ?...same thing used for gas chamber?...but we won't discuss that one. T_Bone...you forgot one thing about the old heat treaters...when they heat treated a knife blade...they put a stick in the bucket of treating oil and stirred till there was a void in the middle to stick the knife blade in...always pointing the knife blade toward the north. Anybody else ever hear of this? Fred OH
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