Patent ID: 6132528
Filing Date: 2000-10-17
Classification: C22C

Abstract:
A wrought copper alloy, consisting of:from 1% to 4% by weight of tin;from 1.6% to 4.0% by weight of iron;from 9% to 35% by weight of zinc;up to 0.4% by weight of phosphorous;a maximum of 0.03% by weight of silicon;a maximum of 0.95 by weight of manganese;up to 20% of aluminum, up to 1.8% of nickel, up to 0.4% each of magnesium, beryllium, zirconium, titanium and chromium, andthe remainder copper and inevitable impurities, said alloy having a refined as-cast average crystalline grain size of less than 100 microns.