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Unidentified metal in CRTs

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    Bamcis started this thread.
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    Unidentified metal in CRTs

    Yesterday, I broke down my first two CRTs. Needless to say, I ended up with a good bit of copper, aluminum, and steel scrap. However, There were some other metal parts that I couldn't quite identify. They appear to be some type of cast alloy, and they do contain some iron (my magnet was very attracted to it). I'm wanting to say that it is cast iron, but I've never seen cast iron that is so dark in color. Two were attached to the plastic framework that held the copper around the CRT tube, and the rest were scattered throughout the monitor with wiring looped through them. I'd attach a photo, but I'm having difficulty finding out exactly how to do that on this forum.

    Can anybody fill me in on exactly what I have here?



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    BRASSCATCHER's Avatar
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    It is ferrite, it goes in your shred pile. Use the search feature and type in ferrite, or television, or anything having to do with CRT monitors and you will find a bunch of threads covering it. Also go to new members section and read all the topics. They will give you a good starting point and cover a lot of the questions that you may have. Good luck.
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    Be careful when hitting the ferrite with a hammer. You will notice sparks, you will smell the ferrite "burning", (yes off of just a couple hits with a hammer). And, in some instances, if you hit it just right it fragments in kind of an "explosion" and will in fact burn the crap out of whatever it touches.

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    Bamcis started this thread.
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    Quote Originally Posted by TheHoss View Post
    Be careful when hitting the ferrite with a hammer. You will notice sparks, you will smell the ferrite "burning", (yes off of just a couple hits with a hammer). And, in some instances, if you hit it just right it fragments in kind of an "explosion" and will in fact burn the crap out of whatever it touches.
    Thanks. I'll keep that in mind. However, that does make me wonder how a piece of ferrite would react to an impact from 180 grains of copper jacketed lead travelling at about 1200 FPS.

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    Mechanic688's Avatar
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    Maybe this will help a little bit, http://www.scrapmetalforum.com/elect...g-monitor.html
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    i read in some thread that ferrite, was about as pure iron as it gets, hence the Fe in Iron, and brought a better price at some yards if separated. I've since been separating mine, but have yet to test that theory at the local yards

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    Quote Originally Posted by Bamcis View Post
    Thanks. I'll keep that in mind. However, that does make me wonder how a piece of ferrite would react to an impact from 180 grains of copper jacketed lead travelling at about 1200 FPS.
    In my exp 158gr @ 1190fps just shatters ferrite into little bits, and its easy to clean up with a few magnets. However,that makes me wonder what you got that flings lead that big and fast?? (bet a dollar on a .45...and as a random guess a 1911?)

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    But if you want some real fun try a 150gr nosler balistic tip in .308 and watch that puppy turn to dust

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    BRASSCATCHER- that sounds like a little bit of overkill to me.....but i am gonna try it anyway. I have seen the cheap 180 grn Remington Core-Lokt and a 30-06 BAR used to "prep" old propane tanks. That can be FUN. just make sure to give them PLENTY of space, or so I have heard.

    sorry to get off topic


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