338 



Copper and Copper-base Alloys 



BRASSES — Continued 



corrosion resistance, 27 



hot working, 29 



structural, 29 



uses, 29 

 BRASSES, ALUMINUM (see (BRASSES, SPECIAL) 

 BRASSES, ARSENICAL (see BRASSES, SPECIAL) 

 BRASSES, LEADED 



Hardware Bronze (87-90 Cu, 1-2 Pb) (Leaded Commercial 



Bronze) 

 Room Temperature: 



apparent elastic limit, 91, 92 



coefficient of expansion, 91 



density, 91 



electrical conductivity, 91 



elongation, per cent, 91, 92 



endurance limit, 91 



hardness, 91, 92 



modulus of elasticity, 91 



reduction of area, per cent, 91, 92 



shear strength, 93 



tensile strength, 91, 92, 93 



thermal conductivity, 91 



yield strength, 91, 92 

 Elevated Temperature: 



melting point, 91 

 General: 



annealing, 89, 92 



cold working, 89 



corrosion resistance, 89 



hot working, 89 



machineability, 89 



structural, 89 



uses, 89 

 Lancashire Brass (73 Cu, 2.5 Pb) 

 Room Temperature: 



apparent elastic Umit, 93-95 



coefficient of expansion, 93 



density, 93 



electrical conductivity, 93 



elongation, per cent, 93-96 



endurance limit, 93 



hardness, 93-95, 96 



modulus of elasticity, 93 



reduction of area, per cent, 93 



stress-strain, 96, 97 



tensile strength, 93-96 



thermal conductivity, 93 



yield strength, 93-96 

 Elevated Temperature: 



melting point, 93 

 General: 



annealing, 89, 95 



cold working, 89 



corrosion resistance, 89 



hot working, 89 



machineability, 89 



structural, 89 



uses, 89 

 Leaded 70-30 Brass 

 Room Temperature: 



elongation, per cent, 97 



reduction of area, per cent, 97 



tensile strength, 97 

 Elevated Temperature: 



elongation, per cent, 97 



reduction of area, per cent, 97 



tensile strength, 97 



BRASSES, L'EA'D'ET)— Continued 

 General : 



annealing, 89 



cold working, 89 



corrosion resistance, 89 



hot working, 89 



machineability, 89 



structural, 89 

 Leaded High Brass (65%, 0.9% Pb) (Low-leaded Brass, Semi- 

 leaded Brass, Butt Brass, Matrix Brass) 

 Room Temperature: 



apparent elastic limit, 97-99 



bending properties, 325 



coefficient of expansion, 97 



density, 97 



electrical conductivity, 97 



elongation, per cent, 97-100 



hardness, 97-99, 325 



modulus of elasticity, 97 



stress-strain, 100 



tensile strength, 97-100 



thermal conductivity, 97 



yield strength, 97-100 

 Elevated Temperature: 



melting point, 97 

 General: 



annealing, 89, 99 



cold working, 89, 90 



corrosion resistance, 89 



hot working, 89 ^ 



machineability, 89, 90 



structural, 89 



uses, 90 

 Leaded-brass Rod (64% Cu, 1.25% Pb) 

 Room Temperature: 



apparent elastic limit, 101, 102 



coefficient of expansion, 101 



density, 101 



electrical conductivity, 101 



elongation, per cent, 101, 102 



hardness, 101, 102 



modulus of elasticity, 101 



reduction of area, per cent, 101, 102 



shear strength, 103 



stress-strain, 103 



tensile strength, 101, 102, 103 



thermal conductivity, 101 



yield strength, 101, 102 

 Elevated Temperature: 



melting point, 101 

 General : 



annealing, 89, 102 



cold working, 89, 90 



corrosion resistance, 89 



hot working, 89 



machineability, 89 



structural, 89, 101 



uses, 90 

 Heavy Leaded Sheet (64% Cu, 2.5% Pb) (High-leaded Brass) 

 Room Temperature: 



apparent elastic Umit, 103-105 



coefficient of expansion, 103 



density, 103 



electrical conductivity, 103 



elongation, per cent, 103-105, 106 



hardness, 103-105, 106 



impact strength, 103 



modulus of elasticity, 103 



stress-strain, 106 



