Brass is a Cu-Sn-Zn-based alloy that may or may not contain Pb, and has good corrosion resistance, pressure resistance, bearing performance, and machinability.
|Symbol||Previous symbol||Alloy base||Characteristics||Application example|
|CAC401||BC1||Cu-Zn-Pb-Sn-based||Good flow of molten metal,machinability, brazeability, and solderability||Bearings and general mechanical parts|
|CAC402||BC2||Cu-Sn-Zn-based||Good pressure resistance, wear resistance, corrosion resistance, and good mechanical properties||Bearings, sleeves, pump bodies, impellers, valves, gears, and electrical equipment parts|
|CAC403||BC3||Cu-Sn-Zn-based||Good pressure resistance, wear resistance, mechanical properties, and corrosion resistance better than CAC 402||Bearings, sleeves, pump bodies, impellers, valves, gears, and general mechanical parts|
|CAC406||BC6||Cu-Sn-Zn-Pb-based||Good pressure resistance, wear resistance, machinability, and castability||Valves, pump bodies, impellers, bearings, sleeves, water faucets, and general mechanical parts|
|CAC407||BC7||Cu-Sn-Zn-Pb-based||Mechanical properties better than CAC406||Bearings, small mechanical parts, valves, and general mechanical parts|