TITANIUM ALLOY WATCH PART

摘要

The invention concerns a watch part made of the following alloy (composition expressed in weight percentage): aluminium 5.5 to 6.75; vanadium 3.5 to 4.5; nitrogen 0.05 maximum; carbon 0.1 maximum; hydrogen 0.015 maximum; iron 0.4 maximum; oxygen 0.2 maximum; various elements: 0.1 maximum each, 0.5 maximum altogether, the remainder being titanium. Said alloy enables the part to be machined and polished with standard tools and provide it with a mirror-like shine.