350 



C OPPER — Continued 



elongation, per cent, 18, 20, 305 

 endurance limit, 18, 305 

 hardness, 18, 20 

 impact strength, 305 

 modulus of elasticity, 18 

 reduction of area, per cent, 305 

 specific gravity, 305 

 stress-strain, 21 

 tensile strength, 18, 19, 305 

 thermal conductivity, 18, 26 

 yield strength, 18-20 

 Elevated Temperature: 



melting point, 18 

 General: 



annealing, 1, 19 

 cold working, 1, 3 

 corrosion resistance, 1-3 

 hot working, 1 

 structural, 1 

 uses, 3 

 Arsenical Copper (0.3% As, 0.03% P) 

 Room Temperature: 



apparent elastic limit, 17 

 coefficient of expansion, 17 

 density, 17 



electrical conductivity, 17 

 elongation, per cent, 17 

 endurance limit, 17 

 hardness, 17 

 modulus of elasticity, 17 

 specific gravity, 17 

 tensile strength, 17 

 thermal conductivity, 17 

 Elevated Temperature: 



melting point, 17 

 General: 



annealing, 1 

 cold working, 1 

 corrosion resistance, 2 

 hot working, 1 

 structural, 1 

 uses, 3 

 Arsenical, Antimonial Copper 

 Room Temperature: 



electrical conductivity, 306 

 elongation, per cent, 306 

 endurance limit, 306 

 reduction of area, per cent, 306 

 specific gravity, 306 

 tensile strength, 306 

 BeryUium Copper (2% Be) 

 Room Temperature: 

 bending properties, 330 

 coefficient of Expansion, 292 

 density, 292 

 elastic limit, 292 

 electrical conductivity, 291, 292 

 elongation, per cent, 291-293, 302 

 endurance Umit, 293, 320 

 hardness, 293, 320 

 impact strength, 302 

 modulus of elasticity, 293 

 reduction of area, per cent, 302 

 specific gravity, 292 

 tensile strength, 291-293, 302, 320 

 thermal conductivity, 292 

 yield strength, 302 



Copper and Copper-base Alloys 



COPPER — Continued 



Subroom Temperature: 

 elongation, per cent, 302 

 impact strength, 302 

 reduction of area, per cent, 302 

 tensile strength, 302 

 yield strength, 302 

 Elevated Temperature: 



melting point, 292 

 General: 



annealing, 291 

 cold working, 291 

 structural, 291 

 BeryUium-nickel Copper (2% Be, 0.3% Ni) 

 Room Temperature: 

 bending properties, 330 

 corrosion fatigue, 320 

 elongation, per cent, 293, 320 

 electrical conductivity, 292 

 endurance limit, 293, 320 

 hardness, 293, 320 

 modulus of elasticity, 293, 320 

 proof strength, 320 

 proportional limit, 293, 320 

 reduction of area, per cent, 320 

 tensUe strength, 293, 320 

 yield strength, 320 

 General: 



annealing, 291 



cold working, 291 



structural, 291 



Bismuth-bearing Copper 



Room Temperature: 



electrical conductivity, 307 

 elongation, per cent, 307 

 endurance limit, 307 ■ 

 impact strength, 307 

 reduction of area, per cent, 307 

 specific gravity, 307 

 tensile strength, 307 

 Fire-refined Copper 

 General: 

 uses, 3 

 Iron-bearing Copper 

 Room Temperature: 



electrical conductivity, 306 

 elongation, per cent, 306 

 endurance limit, 306 

 impact strength, 306 

 reduction of area, per cent, 306 

 specific gravity, 306 

 tensile strength, 306 

 thermal conductivity, 25 

 Leaded Copper (1% Pb) 

 Room Temperature: 



apparent elastic limit, 21, 22 

 coefficient of expansion, 21 

 density, 21 



electrical conductivity, 21 

 elongation, per cent, 21-23 

 hardness, 21-23 

 modulus of elasticity, 21 

 reduction of area, per cent, 21-23 

 tensile strength, 21, 22 

 thermal conductivity, 21 

 yield strength, 21-23 

 Elevated Temperature: 

 melting point, 21 



