Aluminum 208.0-F, Sand Cast

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Aluminum 208.0-F, Sand Cast
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Aluminum Casting Alloy
Material Notes:	Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.
Key Words:	Aluminium 208.0-F; UNS A02080; AA208.0-F; Al208.0-F
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Physical Properties	Metric	English	Comments

Density	2.79 g/cc	0.101 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	40 - 70	40 - 70	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	78	78	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 131 MPa	>= 19000 psi	AA
Tensile Strength, Yield	>= 82.7 MPa @Strain 0.2 %	>= 12000 psi @Strain 0.2 %	AA
Elongation at Break	>= 1.5 %	>= 1.5 %	AA; in 2 in. (50 mm) or 4D
Tensile Modulus	71.0 GPa	10300 ksi	Compressive modulus in is typically about 2% higher for Al alloys
Compressive Yield Strength	105 MPa	15200 psi
Poissons Ratio	0.33	0.33
Fatigue Strength	76.0 MPa @# of Cycles 5.00e+8	11000 psi @# of Cycles 5.00e+8	Notch Status unknown, R.R. Moore Test
Machinability	50 %	50 %	0-100 Scale (100=best)
Shear Modulus	26.5 GPa	3840 ksi
Shear Strength	115 MPa	16700 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000550 ohm-cm	0.00000550 ohm-cm	AA; Typical 31% IACS Conductivity

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb
CTE, linear	22.3 µm/m-°C @Temperature 20.0 - 100 °C	12.4 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical
	24.1 µm/m-°C @Temperature 20.0 - 300 °C	13.4 µin/in-°F @Temperature 68.0 - 572 °F	AA; Typical; average over range
Specific Heat Capacity	0.963 J/g-°C	0.230 BTU/lb-°F
Thermal Conductivity	126 W/m-K	870 BTU-in/hr-ft²-°F	AA; Typical at 25°C
Melting Point	521 - 627 °C	970 - 1160 °F	AA; Typical
Solidus	521 °C	970 °F	AA; Typical
Liquidus	627 °C	1160 °F	AA; Typical

Processing Properties	Metric	English	Comments
Melt Temperature	677 - 816 °C	1250 - 1500 °F
Casting Temperature	677 - 788 °C	1250 - 1450 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	93 %	93 %	As remainder
Copper, Cu	3.5 - 4.5 %	3.5 - 4.5 %
Iron, Fe	<= 1.2 %	<= 1.2 %
Magnesium, Mg	<= 0.10 %	<= 0.10 %
Manganese, Mn	<= 0.50 %	<= 0.50 %
Nickel, Ni	<= 0.35 %	<= 0.35 %
Silicon, Si	2.5 - 3.5 %	2.5 - 3.5 %
Titanium, Ti	<= 0.25 %	<= 0.25 %
Zinc, Zn	<= 1.0 %	<= 1.0 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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MAC2080F / 9776

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