354 



Copper and Copper-base Alloys 



NICKEL SILVERS — Continued 

 cold working, 191 

 color, 190 

 hot working, 191 

 structural, 190 

 uses, 190 

 20% Nickel Silver (66% Cu, 20% Ni) 

 Room Temperature: 



apparent elastic limit, 193, 194 

 coefficient of expansion, 193 

 density, 193 



electrical conductivity, 193 

 elongation, per cent, 193, 195 

 hardness, 193, 195 

 modulus of elasticity, 193 

 specific gravity, 193 

 tensile strength, 193-195 

 thermal conductivity, 193 

 yield strength, 193-195 

 Elevated Temperature: 



melting point, 193 

 General: 



annealing, 190, 194 

 cold working, 191 

 color, 190 

 hot working, 191 

 structural, 190 

 uses, 190 

 30% Nickel Silver (62% Cu, 30% Ni) 

 Room Temperature: 



coefficient of expansion, 191 

 density, 191 



elongation, per cent, 191, 192 

 Erichsen ductility, 191, 192 

 hardness, 191, 192 

 modulus of elasticity, 191 

 proof strength, 191, 192 

 proportional limit, 191, 192 

 reduction of area, per cent, 191, 192 

 specific gravity, 191 

 specific resistance, 191 

 tensUe strength, 191, 192 

 thermal conductivity, 191 

 Elevated Temperature: 



coefficient of expansion, 191 

 melting point, 191 

 thermal conductivity, 191 

 General : 



anneahng, 190, 192 

 cold working, 191 

 color, 190 

 hot working, 191 

 structural, 190 

 uses, 190 

 18% Nickel Silver (62% Cu, 18% Ni) 

 Room Temperature: 



coefficient of expansion, 204, 205 



density, 204 



elongation, per cent, 204, 205 



Erichsen ductihty, 204, 205 



hardness, 204 



modulus of elasticity, 204 



proof strength, 204 



proportional limit, 204 



reduction of area, per cent, 204, 205 



specific gravity, 204 



specific resistance, 204 



tensQe strength, 204, 205 



thermal conductivity, 204 



NICKEL SILVERS— Continued 



Elevated Temperature: 



coefficient of expansion, 204 

 melting point, 204 

 thermal conductivity, 204 

 General : 



anneahng, 190 

 cold working, 191 

 color, 190 

 hot working, 191 

 structural, 190 

 uses, 190 

 10% Nickel SUver (62% Cu, 10% Ni) 

 Room Temperature: 



coefficient of expansion, 216 

 density, 216 



elongation, per cent, 216, 217 

 endurance limit, 313 



Erichsen ductility, 216, 217 

 hardness, 216 



modulus of elasticity, 216 



proof strength, 216 



proportional limit, 216 



reduction of area, per cent, 216, 217 



specific gravity, 216 



specific resistance, 216 



tensile strength, 216, 217 



thermal conductivity, 216 

 Elevated Temperature: 



coefficient of expansion, 216 



melting point, 216 



thermal conductivity, 216 

 General: 



annealing, 190, 217 



cold working, 191 



color, 190 



structural, 190 



uses, 190 

 6% Nickel SUver (62% Cu, 5% Ni) 

 Room Temperatxire: 



apparent elastic limit, 217-219 



density, 217 



electrical conductivity, 217 



elongation, per cent, 217-220 



hardness, 217-220 



modulus of elasticity, 217 



specific gravity, 217 



stress-strain, 220 



tensile strength, 217-220 



thermal conductivity, 217 



yield strength, 217-220 

 Elevated Temperature: 



melting point, 217 

 General : ' 



annealing, 190, 219 



cold working, 191 



color, 190 



hot working, 191 



structural, 190 



uses, 190 

 30% Nickel Silver (56% Cu, 30% Ni) 

 Room Temperature: 



elongation, per cent, 299 



impact strength, 299 



reduction of area, 299 



tensile strength, 299 



yield strength, 299 

 Subroom Temperature: 



elongation, per cent, 299 



