SMIFINISHED PRODUCTS, ESPECIALLY GLASSES FRAME METAL WIRE

摘要

PURPOSE: Smifinished products, especially glasses frame metal wire is provided to enable a user to manufacture a glass frame wire by a compound of Cu-Ti-Mn without Ni which gives an allergy to the human body. CONSTITUTION: Semi-finished product is made of a hardenable copper alloy containing alloying additions of 2-5 wt.% titanium and 0,5-10 wt.% manganese. And, semi-finished product is made of 3.5wt.% Ti and 2wt.% Mn.