Quote Originally Posted by t00nces2 View Post
I find that aluminum has a ring to it and zinc alloys thunk similar to lead.
the ring test while helpful is definitely not definitive Zamak2 with a hardness of 90 Brinell aged will ring just like an identical shape of 6061, but it will still weigh twice as much

V/r HT1



P.S. I use the ring test, and the manual hardness test both, but it is impossible to teach the "touch" that those sort of test require, some can pick it up, some cannot (shrug)