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High-Performance Blades Sharing ideas for getting the most out of our steel.

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Old 09-29-2004, 09:10 PM
Exude Exude is offline
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Anybody know anything about CN40??

I am making a knife using a chain saw bar off a big tree harvester. The Bar is 5/16 inch thick and solid steel. It is made by GB (Griffiths & Beerens) out of Australia. I called the company and asked what steel they made thier bars with and all the guy knew was it was called CN40 and had 4% titanium. Does anybody know anything about this steel? I need to know how to heat treat it and am wondering if it will make a decent knife. Thanks a bunch.
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Old 10-05-2004, 01:44 AM
Ssj2 Ssj2 is offline
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This steel should be great for large blades due the 4% titanium. Titanium is a very tough strong metal and should contribute some of its atributes to the steel. As for the heat treat I'm not for sure but I would probably go with temp a bit higher then most steel because titanium has a higher melting point.
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