Red Brass, UNS C23000 (230 Brass), OSO70 Temper flat products

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Red Brass, UNS C23000 (230 Brass), OSO70 Temper flat products
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability; good hot formability. Applications: weather-stripping, conduit, sockets, fasteners, fire extinguishers, condenser and heat exchanger tubing, plumbing pipe, radiator cores. Test specimen: flat products - 1mm thickness.
Key Words:	CDA 230, CZ102, ISO CuZn15, CEN CW502L, gilding metal, 85/15 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 F	56	56
Hardness, Rockwell 30T	10	10
Tensile Strength, Ultimate	270 MPa	39200 psi
Tensile Strength, Yield	69.0 MPa	10000 psi
Elongation at Break	48 %	48 %	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	215 MPa @Thickness 1.00 mm	31200 psi @Thickness 0.0394 in
Izod Impact	43.0 J	31.7 ft-lb	Cast and annealed
	45.0 J	33.2 ft-lb	Cast
Charpy Impact	69.0 J	50.9 ft-lb	Keyhole, annealed rod, specific temper not reported

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

References for this datasheet.

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MC23000b2 / 11033

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