Coefficient of Thermal Expansion 68-392 10 to -6 power per °F (68 – 392°F) 9.8 Specific Heat Capacity ... COPPER BERYLLIUM ALLOY (COPPER ALLOY NUMBERS C17500 AND C17510) STRIP: ASTM: B534: COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR: Tube: SAE: J463: