UNS C23000 | CuZn15 | Brass 85-15 Red Brass

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Physical Properties	Metric	English	Comments
Density	8.75 g/cc	0.316 lb/in³
Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	86	86
Hardness, Rockwell 30T	74	74
Tensile Strength, Ultimate	580 MPa	84100 psi
Tensile Strength, Yield	435 MPa	63100 psi
Elongation at Break	3.0 %	3.0 %	In 50 mm
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.307	0.307
Machinability	30 %	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi
Shear Strength	315 MPa	45700 psi
Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000470 ohm-cm @Temperature 20.0 °C	0.00000470 ohm-cm @Temperature 68.0 °F
	0.0000299 ohm-cm @Temperature 1100 °C	0.0000299 ohm-cm @Temperature 2010 °F	liquid phase
Magnetic Susceptibility	-1.00e-6	-1.00e-6	Approximately, cgs units
Thermal Properties	Metric	English	Comments
CTE, linear	18.7 µm/m-°C @Temperature 20.0 - 300 °C	10.4 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	159 W/m-K @Temperature 20.0 °C	1100 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	990 - 1025 °C	1810 - 1877 °F
Solidus	990 °C	1810 °F
Liquidus	1025 °C	1877 °F
Annealing Point	427 - 732 °C	800 - 1350 °F
Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 725 °C	797 - 1340 °F
Hot-Working Temperature	800 - 900 °C	1470 - 1650 °F
Recrystallization Temperature	350 °C @Thickness 1.00 mm	662 °F @Thickness 0.0394 in	Approximately
Component Elements Properties	Metric	English	Comments
Copper, Cu	84 - 86 %	84 - 86 %
Iron, Fe	>= 0.050 %	>= 0.050 %
Lead, Pb	>= 0.060 %	>= 0.060 %
Zinc, Zn	15 %	15 %
Descriptive Properties
Velocity of Sound	3660 m/s		at 20°C

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