Aluminum 222.0-O, Sand Cast

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Aluminum 222.0-O, 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 222.0-O; UNS A02220; AA222.0-O; Al222.0-O
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Physical Properties	Metric	English	Comments

Density	2.95 g/cc	0.107 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	65 - 95	65 - 95	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	103	103	Estimated from Brinell Hardness.
Hardness, Rockwell B	49	49	Estimated from Brinell Hardness.
Hardness, Vickers	90	90	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 159 MPa	>= 23000 psi	AA
Tensile Modulus	71.0 GPa	10300 ksi	Estimated
Poissons Ratio	0.33	0.33	Estimated
Machinability	90 %	90 %	0-100 Scale (100=best)
Shear Modulus	26.7 GPa	3870 ksi	Estimated
Shear Strength	99.0 MPa	14400 psi	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000520 ohm-cm	0.00000520 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb	Typical for cast aluminum
CTE, linear	22.1 µm/m-°C @Temperature 20.0 - 100 °C	12.3 µin/in-°F @Temperature 68.0 - 212 °F
	23.6 µm/m-°C @Temperature 20.0 - 300 °C	13.1 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.963 J/g-°C	0.230 BTU/lb-°F	Typical for cast aluminum
Thermal Conductivity	130 W/m-K	902 BTU-in/hr-ft²-°F
Melting Point	518 - 624 °C	964 - 1160 °F
Solidus	518 °C	964 °F
Liquidus	624 °C	1160 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	84 %	84 %	As remainder
Copper, Cu	9.2 - 10.7 %	9.2 - 10.7 %
Iron, Fe	1.5 %	1.5 %
Magnesium, Mg	0.15 - 0.35 %	0.15 - 0.35 %
Manganese, Mn	0.50 %	0.50 %
Nickel, Ni	0.50 %	0.50 %
Silicon, Si	2.0 %	2.0 %
Titanium, Ti	0.25 %	0.25 %
Zinc, Zn	0.80 %	0.80 %

References for this datasheet.

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MAC2220O / 9795

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