COPPER ALLOY AND COPPER ALLOY CASTING EXPRESSING GOLD COLOR

摘要

The present invention relates to a copper alloy, which comprises 5 to 10 wt% of aluminum (Al), 3 to 7 wt% of iron (Fe), 3 to 15 wt% of zinc (Zn) And a gold color. The copper alloy may contain up to 2% by weight of silicon (Si), up to 5% by weight of nickel (Ni), up to 2% by weight of tin (Sn), up to 3% by weight of magnesium (Mg) Cr), 10% or less of titanium (Ti), 3% or less of phosphorus (P), and 3% or less of boron (B)