... Copper is a heat treatable copper alloy offering good electrical conductivity, resistance to softening at elevated temperatures and ... for UNS.C18200 Chromium Copper Alloys:Electrical Industry: Cable, Connector, Thermal Conductors, Switch Gears, Electrical Connector, Circuit Breaker Parts, Switch Contacts, ... °F: 9.8 x 10-6 (77-212°F)Electrical Conductivity at 68°F (volumetric): 80% IACS (solution ...