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zipdog
04-01-2011, 04:56 PM
I have a couple of boxes of Hornady .38 DEWCs that I will probably never use as-is and have been thinking about throwing them into the pot with something else. I called Hornady to find out their metallurgy and was told that they are 95% Pb and 5% Sb.
I don't want to second guess the manufacturer, but does it seem odd to anyone here that there is no tin?

NHlever
04-01-2011, 05:03 PM
Tin is expensive, and not really needed for swaging operations I guess so companies have been able to get by without paying for the tin in the alloy they use for low velocity boolits. You could just shoot them as they are. Factory wadcutters always worked well in my handguns.

bowfin
04-01-2011, 05:07 PM
zipdog,

Tin is put into most alloy to help it fill out the mold and flow better. In swaging, this is done by brute force, not chemistry, so the Tin isn't needed.

You might want to sell them or trade them...

...to somebody like me...

runfiverun
04-01-2011, 06:14 PM
tin is an enemy in swaging.
antimoony alone is fine.
the numbers they gave you are the same ones i got from them back in the late 80's.
50-50 them and pure and 1% tin makes nice alloy.
or just throw some in with some ww alloy, every once in a while.