Originally Posted by
Echo
IRGNZ, IMHO, your desired alloy is too much/not enough. It would be brittle, and tend to shatter on contact with bone, or even just dropped on a hard floor! And toughness is another concern that few observe. If you were to use 'hard ball' alloy (2-6-92) and heat treat it, it would be plenty hard (BHN 30ish) and yet be tough enough to survive impact (bone, floor, whatever). And heat treating is really very simple, and cheap.
So. 50/50 lead/WW will be very close to 'hard ball' alloy. Heat treated, my guess is that this would go a long way toward your goal...