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Cast copper alloy C85200 (Leaded Yellow Brass)

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Cast copper alloy C85200 (Leaded Yellow Brass)
Chemical composition: Zn=23.5%, Pb=3.0%, Sn=1.4%, Cu=72%
Property Value in metric unit Value in US unit
Density 8.50 *10³ kg/m³ 531 lb/ft³
Modulus of elasticity 75.8 GPa 11000 ksi
Thermal expansion (20 ºC) 20.7*10-6 ºCˉ¹ 11.5*10-6 in/(in* ºF)
Specific heat capacity 377 J/(kg*K) 0.090 BTU/(lb*ºF)
Thermal conductivity 83.9 W/(m*K) 582 BTU*in/(hr*ft²*ºF)
Electric resistivity 9.6*10-8 Ohm*m 9.6*10-6 Ohm*cm
Tensile strength (sand cast) 262 MPa 38000 psi
Yield strength (sand cast) 90 MPa 13000 psi
Elongation (sand cast) 35 % 35 %
Hardness (sand cast) 45 HB(500) 45 HB(500)
Liquidus temperature 941 ºC 1725 ºF
Solidus temperature 927 ºC 1700 ºF

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