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Offline frank405

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what are these?
« on: April 13, 2004, 04:36:32 AM »
I have a bunch of lead(?) cylinders 4 inches tall, 3 inches in diameter, and a 1 inch hole in the center. I guess these are some sort of hospital thingy for radioactive material. Does anyone know what the lead composition is?
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Offline MSP Ret

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what are these?
« Reply #1 on: April 13, 2004, 03:49:54 PM »
Have you run them by a gieger counter or do they glow in the dark?....<><.... :wink:
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Offline Cactus Cris

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what are these?
« Reply #2 on: April 13, 2004, 03:59:28 PM »
Just a guess-  but they (whom ever used them) would have no reason to spec anything but pure lead.  Everything else adds to the cost and would serve no purpose.  IE--tin, zinc, antimony etc.
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Offline Lloyd Smale

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what are these?
« Reply #3 on: April 13, 2004, 11:05:11 PM »
most xray lead is pure with just a touch of antimony. Pretty much can be used as pure
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Offline frank405

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????????????
« Reply #4 on: April 14, 2004, 05:17:17 AM »
My "test" so far is to drop them on the shop floor. They make a nice ring which tells me they are not pure lead. I guess I'll make some bullets out of them and see what BHN they end up and how the stuff shoots.
 Thanks for the ideas.
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Offline kapnkid

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what are these?
« Reply #5 on: October 22, 2004, 01:58:40 PM »
Some radioactive source shields are made of depleted Uranium. It's heavier than Lead ,  stronger and smaller.  I wouldn't advise trying to melt one.
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Offline Flash

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what are these?
« Reply #6 on: October 22, 2004, 03:04:38 PM »
If you got them from a hospital, they were most likely used in radiology. If you got them anywhere else, you'll have to narrow it down by that origin. You say cylinders? Do they have holes on both ends? If they're containers, they won't allow radition to penetrate. Kind of useless in radiology, unless you place your testicles in one during an xray. If they ring when dropped, I would say trash them. They could have been used for counter weights of some kind and not for radiology at all.
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Offline jhalcott

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what are these?
« Reply #7 on: October 22, 2004, 03:17:06 PM »
pure lead would give you a "thud" and deform a lot when dropped. Radioactive containers should look like thick cans AND should come with paper work certifying they are "clean" If these are hollow tubes they most likely are zinc type counter weights.Zinc will screw your pot up.I HAVE used zinc and aluminum to cast bullets,so it can be done! It just ain't worth the hassle.
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Offline frank405

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lead things
« Reply #8 on: October 23, 2004, 12:45:33 PM »
I have since used these up, added two every time I alloyed a batch of 300 pounds. Probably won't matter much in the long run, bullets shoot great anyway. Thanks for the info.
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