09-01-2012, 01:22 PM
Ya, true, berylium copper is one hard copy alloy I'm familiar with. I'm trying to remember what the copper nails I experience were used for, could it have been for those little copper straps for copper piping? I believe that was to avoid dissimilar metals reacting with each other.
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.