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Cast copper alloy C86200 (Manganese Bronze)

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Cast copper alloy C86200 (Manganese Bronze)
Chemical composition: Zn=25%, Mn=3.7%, Fe=3%, Al=4%, Cu=63%
Property Value in metric unit Value in US unit
Density 7.97 *10³ kg/m³ 498 lb/ft³
Modulus of elasticity 103 GPa 15000 ksi
Thermal expansion (20 ºC) 21.6*10-6 ºCˉ¹ 12.0*10-6 in/(in* ºF)
Specific heat capacity 377 J/(kg*K) 0.090 BTU/(lb*ºF)
Thermal conductivity 35.5 W/(m*K) 246 BTU*in/(hr*ft²*ºF)
Electric resistivity 22.7*10-8 Ohm*m 22.7*10-6 Ohm*cm
Tensile strength (sand cast) 655 MPa 95000 psi
Yield strength (sand cast) 331 MPa 48000 psi
Elongation (sand cast) 20 % 20 %
Hardness (sand cast) 180 HB(3000) 180 HB(3000)
Liquidus temperature 941 ºC 1725 ºF
Solidus temperature 899 ºC 1650 ºF

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to Cast manganese bronzes
to Properties of copper alloys