MACHINABLE COPPER-BASED ALLOY AND METHOD FOR PRODUCING THE SAME

摘要

Alloy containing between 1 % and 20% by weight of Ni, between 1 % and 20% by weight of Sn, between 0.5%, 3% by weight of Pb in Cu which represents at least 50% by weight of the alloy; characterized in that the alloy further contains between 0.01 % and 5% by weight of P or B alone or in combination. The invention also pertains to a metallic product having enhanced mechanical resistance at intermediate temperatures (300°C to 700°C) and excellent machinability. The metallic product of the invention can be advantageously used for the fabrication of connectors, electromechanical, or micromechanical pieces.