Originally Posted by
kevin c
I was going to say that I wouldn't expect any of those to be found in commercial bullet alloys, but the poster above mentioned that imported Chinese ammo may have been the problem, and I've come to the reluctant conclusion that the country my great grandparents emigrated from has manufacturers who are clever enough to copy just about anything with ersatz materials, and unethical enough to sell them to anyone (including their fellow countrymen).
So it could be that aluminum or cadmium or some other junk was in the alloy. It certainly would make the ammo junk, as well as any salvaged bullets and the recovered metal made from them.