View Full Version : Beam shaping blocks
I have the opprotunity to pick up some *old* alloy beam shaping blocks used for Radiation treatments. They feel less dense than lead and I have been told that they are lead, tin and some other metals (maybe cadmium and bismuth) alloyed together. I am leary of picking it up. Any thoughts about these?
Hastily spouted for your befuddlement
Defcon-One
06-14-2012, 04:51 PM
My position is that it is not much of an opportunity if you don't know what is in it!
Cadmium is something I'd avoid, same thinking for Bismuth.
I like Lead, Tin and Antimony in that order. The rest they can keep.
Good luck with it.
Bill*
06-14-2012, 05:14 PM
Actually, Cerrosafe is: Lead, Tin, Bismuth, and Cadmium. So we do handle them a bit.
The stuff has since been id'd as cerrobend and alloy203... Lots of bismuth.
Hastily spouted for your befuddlement
bumpo628
06-14-2012, 06:54 PM
I believe these are the specs:
CerroBEND
Bismuth 50%, Lead 26.7%, Tin 13.3%, Cadmium 10%
CerroSHIELD / Alloy 203
Bismuth 52.5%, Lead 32%, Tin 15.5%
I believe these are the specs:
CerroBEND
Bismuth 50%, Lead 26.7%, Tin 13.3%, Cadmium 10%
CerroSHIELD / Alloy 203
Bismuth 52.5%, Lead 32%, Tin 15.5%
That's the stuff indeed. I don't think it'll do me any good though. Does the stuff have any application that a caster would use?
Hastily spouted for your befuddlement
Bill*
06-14-2012, 08:17 PM
Sure....It's worth around 20 bucks a pound and used for checking chambers and stuff.
lwknight
06-14-2012, 11:01 PM
Any heavy metal that melts easily is useful even if it won't cast boolits.
It will always sell at a scrapyard as lead.
Defcon-One
06-14-2012, 11:13 PM
If it is 50% or more Bismuth, won't it sell at a scrap yard as Bismuth?
fatelk
06-15-2012, 04:00 PM
I bought some scrap lead several years ago. About 75lbs of it turned out to be cerrobend. I was a little disconcerting when I tried to melt down some bricks of it and it just started melting like butter all over the bench. Turns out it melts at 158 degrees Fahrenheit! As I recall the Cadmium is a definite health concern, much more so than lead.
I sold it on ebay for a very nice profit.
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