Régule à base de cuivre-zinc-aluminium.

摘要

An alloy contains:-20 to 65% Al, 1 to 10% Cu, 0.05 to 5% Sb, and/or 0.1 to 10% Sn, balance (21-60%) Zn. The zinc may be replaced by:-up to 3% Cr or Ni, and/or up to 3% Be, and/or up to 3% Mg.