Low brass, UNS C24000, OSO25 Temper flat products

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Low brass, UNS C24000, OSO25 Temper flat products
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Fair to excellent corrosion resistance. Excellent cold workability; good hot formability. The Romans called this alloy "orichalcum", which also contained trace amounts of lead, tin, and other metals and was used to strike coins. Orichalcum is also the name of a naturally occurring gold-copper alloy that is only found in the Andes Mountains of South America. Applications: battery caps, bellows, musical instruments, clock dials, pump lines, flexible hose. Test specimen: flat products - 1mm thickness.
Key Words:	80/20 brass, pump lines, flexible hose, flat products, wire, Low brass, UNS C24000, CZ103, ISO CuZn20, CEN CW503L, gilding metal, 80/20 brass, orichalcum
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Physical Properties	Original Value	Comments

Density	8.67 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	69
Hardness, Rockwell 30T	32
Tensile Strength, Ultimate	330 MPa
Tensile Strength, Yield	115 MPa
Elongation at Break	47 %	In 50 mm
Modulus of Elasticity	110 GPa
Poissons Ratio	0.375
Machinability	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	40.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000539 ohm-cm	Annealed
Magnetic Susceptibility	-1.00e-6	Approximately, cgs units

Thermal Properties	Original Value	Comments
CTE, linear	19.1 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	140 W/m-K @Temperature 20.0 °C
Melting Point	965 - 1000 °C
Solidus	965 °C
Liquidus	1000 °C
Annealing Point	800 - 1300 °F

Processing Properties	Original Value	Comments
Annealing Temperature	425 - 700 °C
Hot-Working Temperature	825 - 900 °C
Recrystallization Temperature	400 °C	Approximately, for 37% reduction and 0.06mm initial grain size

Component Elements Properties	Original Value	Comments
Copper, Cu	78.5 - 81.5 %
Iron, Fe	>= 0.050 %
Lead, Pb	>= 0.050 %
Zinc, Zn	20 %

References for this datasheet.

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MC24000b5 / 11059

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