336 



Copper and Copper-base Alloys 



BRASSES — Continued 



reduction of area, per cent, 52 



resistance to compression, 87 



tensile strength, 52 

 General: 



annealing, 27, 49, 51 



cold working, 27, 28 



corrosion resistance, 27, 28 



hot working, 27, 28, 48 



structural, 27, 48 



uses, 28 

 Spring Brass (75% Cu) (Brazing Brass; Best Quality Brass) 

 Room Temperature: 



apparent elastic limit, 54, 55 



coefficient of expansion, 54 



corrosion fatigue, 88 



density, 54 



electrical conductivity, 54 



elongation, per cent, 54, 56, 309 



endurance limit, 54, 88, 309 



hardness, 54, 56, 88 



impact strength, 57 



modulus of elasticity, 54 



resistance to compression, 87 



shear strength, 57 



stress-strain, 57 



tensile strength, 54-56, 309 



thermal conductivity, 54 



yield strength, 54-56 

 Elevated Temperature: 



coefficient of expansion, 54 



hardness, 88 



impact strength, 57 



melting point, 54 



resistance to compression, 87 

 General: 



annealing, 27, 55 



cold working, 27, 29 



corrosion resistance, 27, 28 



hot working, 27, 29 



structural, 27 



uses, 29 

 Spinning Brass (72% Cu) 

 Room Temperature: 



bending properties, 323 



corrosion fatigue, 88, 309 



elongation, per cent, 296, 309 



endurance limit, 88, 309 



hardness, 88, 323 



impact strength, 296 



reduction of area, per cent, 296, 309 



resistance to compression, 87 



tensile strength, 88, 296, 309, 323 



yield strength, 296 

 Subroom Temperature: 



elongation, per cent, 296 



impact strength, 296 



reduction of area, 296 



tensUe strength, 296 



yield strength, 296 

 Elevated Temperature: 



hardness, 88 



resistance to compression, 87 

 General: 



annealing, 27 



cold working, 27, 29 



corrosion resistance, 27, 29 



hot working, 27 



structure, 27 



BRASSES — Continued 



uses, 29 

 Cartridge Brass (70% Cu) (70-30 Brass) 

 Room Temperature: 



apparent elastic limit, 58-60, 62-64 



coefiicient of expansion, 58 



corrosion fatigue, 88, 309 



density, 58 



electrical conductivity, 58 



elongation, per cent, 58, 59, 61-64, 296, 309 



endurance limit, 58, 88, 309 



hardness, 58, 59, 61-64, 87, 309 



impact strength, 64, 296 



modulus of elasticity, 58 



reduction of area, per cent, 58, 62-64, 296, 309 



resistance to compression, 87 



shear strength, 65 



stress-strain, 62 



tensile strength, 58-64, 296, 309 



thermal conductivity, 58 



torsional endurance limit, 309 



torsional strength, 309 



yield strength, 58, 60, 61, 63, 296 

 Subroom Temperature: 



elongation, per cent, 296 



impact strength, 296 



reduction of area, per cent, 296 



tensile strength, 296 



yield strength, 296 

 Elevated Temperature: 



coefficient of expansion, 58 



creep strength, 59 



elongation, per cent, 64 



hardness, 87, 88 



impact strength, 64 



melting point, 58 



reduction of area, per cent, 64 



resistance to compression, 87 



tensile strength, 64 

 General : 



annealing, 27, 60, 63 



cold working, 27, 29 



corrosion resistance, 27 



hot working, 27 



structure, 27, 58 



uses, 29 

 Deep-drawing Brass (68% Cu) (Eyelet Brass) 

 Room Temperature: 



apparent elastic limit, 65-67 



coefficient of expansion, 65 



corrosion fatigue, 88 



density, 65 



electrical conductivity, 65 



elongation, per cent, 65-68 



endurance limit, 88 



hardness, 65-67, 88 



modulus of elasticity, 65 



reduction of area, per cent, 65 



resistance to compression, 87 



shear strength, 68 



tensile strength, 65-68 



thermal conductivity, 65 



yield strength, 65, 66, 68 

 Elevated Temperature: 



coefficient of expansion, 65 



hardness, 88 



melting point, 65 



resistance to compression, 87 



