Copper, UNS C62400 (Aluminum Bronze 11%)

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Copper, UNS C62400 (Aluminum Bronze 11%)
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Good to excellent corrosion resistance. Excellent hot formability for fabrication by hot forging and hot bending. Applications: bushings, gears, cams, wear strips, nuts, drift pins, tie rods. Available as flat products and rod.
Key Words:	CDA 624
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Physical Properties	Original Value	Comments

Density	7.45 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	92
Tensile Strength, Ultimate	655 MPa
Tensile Strength, Yield	330 MPa
Elongation at Break	14 %	in 50 mm, 11% reduction in area
Modulus of Elasticity	115 GPa
Poissons Ratio	0.318
Fatigue Strength	235 MPa @# of Cycles 1.00e+8	Reverse Bending; Temper Not Reported
Machinability	50 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	80 %
Shear Modulus	44.0 GPa
Izod Impact	23.0 J @Temperature -23.0 - 27.0 °C	Temper not specified
Charpy Impact	15.0 J @Temperature -23.0 - 27.0 °C	Keyhole

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000144 ohm-cm @Temperature 20.0 °C
Magnetic Permeability	1.34

Thermal Properties	Original Value	Comments
CTE, linear	16.5 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.375 J/g-°C
Thermal Conductivity	58.6 W/m-K @Temperature 20.0 °C
Melting Point	1025 - 1040 °C
Solidus	1025 °C
Liquidus	1040 °C
Annealing Point	1100 - 1200 °F

Processing Properties	Original Value	Comments
Annealing Temperature	600 - 700 °C
Hot-Working Temperature	760 - 925 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	10 - 11.5 %
Copper, Cu	82.8 - 88 %
Iron, Fe	2.0 - 4.5 %
Manganese, Mn	<= 0.30 %
Other, total	<= 0.50 %
Silicon, Si	<= 0.25 %
Tin, Sn	<= 0.20 %

References for this datasheet.

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MC62400b1 / 11606

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