Aluminum Silicon Bronze, UNS C64200

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Aluminum Silicon Bronze, UNS C64200
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent hot formability. Fabricated by hot forming, forging, machining. Applications: valve stems, gears, marine hardware, pole-line hardware, bolts, nuts, valve bodies and components. Available as flat products and rod.
Key Words:	CDA 642
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Physical Properties	Metric	English	Comments

Density	7.89 g/cc	0.285 lb/in³	C61400

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	517 - 703 MPa	75000 - 102000 psi
Tensile Strength, Yield	241 - 469 MPa	35000 - 68000 psi	Depending on temper
Elongation at Break	32 %	32 %	in 558.8 mm.
Tensile Modulus	110 GPa	16000 ksi
Machinability	60 %	60 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	80 %	80 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000220 ohm-cm	0.0000220 ohm-cm	8% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 300 °C	10.0 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	3.75 W/m-K	26.0 BTU-in/hr-ft²-°F
Melting Point	982 - 1000 °C	1800 - 1840 °F
Solidus	982 °C	1800 °F
Liquidus	1000 °C	1840 °F
Annealing Point	593 - 704 °C	1100 - 1300 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	7.0 %	7.0 %
Copper, Cu	91.2 %	91.2 %
Silicon, Si	1.8 %	1.8 %

References for this datasheet.

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MC64200b1 / 11628

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