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Re: tungsten carbide magnetic?
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- Subject: Re: tungsten carbide magnetic?
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Wed, 06 Apr 2005 22:01:54 -0600
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Original poster: "Steven Steele" <sbsteele@xxxxxxxxxxxxx>
Why don't ya'll just use copper pipes like normal people? LOL. (maybe not
normal people, but whatever)
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
Sent: Wednesday, April 06, 2005 8:04 PM
Subject: Re: tungsten carbide magnetic?
Original poster: "Brian" <ka1bbg@xxxxxxxxxxxxx>
Hi, if you want something that is not magnetic use Tan-Tung tool bits, made
of tantalum and tungsten. tool bit dealers will know what you want, but it
is expensive compared to regular carbide.
rexalloy i think is another name for tan-tung. It can be used machining and
doesnt loose its hardness even when red hot.. melts at more than 4,000
degrees F. try a search on the net. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
Sent: Wednesday, April 06, 2005 2:19 PM
Subject: tungsten carbide magnetic?
> Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>
> Hi all,
> I have a question about the tungsten carbide drilling blanks that
> I will be using for my ASRSG. I've noticed that they somewhat
> have an attraction to a strong magnet. I know that pure tungsten
> is not magnetic so I was wondering what additional materials
> are generally added to the tungsten carbide alloy that makes
> it somewhat magnetically attractive? I know that iron would
> be a "bad" thing to have in your RSG electrodes. It seems
> like I've heard that cobalt is a metal that's alloyed with tung-
> sten to make tungsten carbide and cobalt is indeed a mag-
> netically attractive metal (is paramagnetic the correct term for
> tis?). I know that cobalt is also extremely hard, too but I'm
> not sure how it stacks up for SG electrode use in alloy with
> tungsten or the typical tungsten/cobalt ratios of the carbide.
> I don't think there are many complaints from the tungsten
> carbided users as to their suitablility for SG electrodes al-
> though I do realize that pure tungsten is the first choice for
> this. I just thought that I would run this question by some of
> you more metallurgically inclined list members for your opinions ;^))
> David Rieben