Diana, The Jump Ringer All Metals Saw is designed to do exactly what
you want. It will cut any metal that you can form into a coil
including all alloys of steel, titanium, niobium, platinum and all
the normal soft jewelry metals. It's available and in stock at Indian
Jewelers Supply (800-545-6540). Ask for Chris Caldes at extension
101. He can tell you all about it.
Ray Grossman Inc.
Manufacturers of Jump Ringer