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Wrought copper alloy C24000 (Low Brass)

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Wrought copper alloy C24000 (Low Brass)
Chemical composition: Zn=20%, Cu=80%
Property Value in metric unit Value in US unit
Density 8.66 *10³ kg/m³ 541 lb/ft³
Modulus of elasticity 110 GPa 16000 ksi
Thermal expansion (20 ºC) 19.1*10-6 ºCˉ¹ 10.6*10-6 in/(in* ºF)
Specific heat capacity 377 J/(kg*K) 0.090 BTU/(lb*ºF)
Thermal conductivity 140 W/(m*K) 972 BTU*in/(hr*ft²*ºF)
Electric resistivity 5.39*10-8 Ohm*m 5.39*10-6 Ohm*cm
Tensile strength (annealed) 345 MPa 50000 psi
Yield strength (annealed) 138 MPa 20000 psi
Elongation (annealed) 46 % 46 %
Shear strength (annealed) 228 MPa 33000 psi
Hardness (annealed) 42 R30T 42 R30T
Tensile strength (cold work) 421 MPa 61000 psi
Yield strength (cold work) 345 MPa 50000 psi
Elongation (cold work) 18 % 18 %
Shear strength (cold work) 269 MPa 39000 psi
Hardness (cold work) 64 R30T 64 R30T
Annealing temperature 425-700 ºC 800-1300 ºF
Liquidus temperature 1000 ºC 1830 ºF
Solidus temperature 965 ºC 1770 ºF

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