Aluminum 712.0-F, Sand Cast

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Aluminum 712.0-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. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium 712.0-F; UNS A07120; AA712.0-F. 5.8Zn-0.6Mg-0.5Cr-0.2Ti. Comparable to AC-71000 (AC71000); Al712.0-F
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Physical Properties	Metric	English	Comments

Density	2.81 g/cc	0.102 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	60 - 90	60 - 90	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	98	98	Estimated from Brinell Hardness.
Hardness, Vickers	85	85	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 234 MPa	>= 34000 psi	AA
Tensile Strength, Yield	>= 172 MPa @Strain 0.2 %	>= 25000 psi @Strain 0.2 %	AA
Elongation at Break	>= 4.0 %	>= 4.0 %	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	95.0 MPa	13800 psi
Poissons Ratio	0.33	0.33
Fatigue Strength	62.0 MPa @# of Cycles 5.00e+8	8990 psi @# of Cycles 5.00e+8	Notch Status unknown, R.R. Moore Test
Machinability	90 %	90 %	0-100 Scale (100=best)
Shear Modulus	26.5 GPa	3840 ksi
Shear Strength	180 MPa	26100 psi
Charpy Impact	3.30 J	2.43 ft-lb	±0.6 J; V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000490 ohm-cm	0.00000490 ohm-cm	AA; Typical 35% IACS Conductivity

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb
CTE, linear	24.7 µm/m-°C @Temperature 20.0 - 100 °C	13.7 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical
	26.6 µm/m-°C @Temperature 20.0 - 300 °C	14.8 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	138 W/m-K	957 BTU-in/hr-ft²-°F	AA; Typical at 25°C
Melting Point	612.8 - 649 °C	1135 - 1200 °F	AA; Typical
Solidus	612.8 °C	1135 °F	AA; Typical
Liquidus	649 °C	1200 °F	AA; Typical

Processing Properties	Metric	English	Comments
Melt Temperature	610 - 649 °C	1130 - 1200 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	90.6 - 94 %	90.6 - 94 %	As remainder
Chromium, Cr	0.40 - 0.60 %	0.40 - 0.60 %
Copper, Cu	<= 0.25 %	<= 0.25 %
Iron, Fe	<= 0.50 %	<= 0.50 %
Magnesium, Mg	0.50 - 0.65 %	0.50 - 0.65 %
Manganese, Mn	<= 0.10 %	<= 0.10 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.20 %	<= 0.20 %
Silicon, Si	<= 0.30 %	<= 0.30 %
Titanium, Ti	0.15 - 0.25 %	0.15 - 0.25 %
Zinc, Zn	5.0 - 6.5 %	5.0 - 6.5 %

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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