Aluminum 356.0-T7, Sand Cast

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Aluminum 356.0-T7, 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: If iron exceeds 0.45%, manganese content shall not be less than one-half iron content. Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium 356.0-T7; UNS A03560; ISO 3522 and R2147 AlSi7Mg; AA356.0-T7. Comparable to JIS AC4C; Al356.0-T7
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Physical Properties	Metric	English	Comments

Density	2.68 g/cc	0.0968 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	>= 214 MPa	>= 31000 psi	AA
Tensile Strength, Yield	>= 200 MPa @Strain 0.2 %	>= 29000 psi @Strain 0.2 %	AA
Elongation at Break	2.0 %	2.0 %	in 50 mm
Tensile Modulus	72.4 GPa	10500 ksi	Compressive modulus in is typically about 2% higher for Al alloys
Compressive Yield Strength	215 MPa	31200 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	50 %	50 %	0-100 Scale (100=best)
Shear Modulus	27.2 GPa	3950 ksi
Shear Strength	165 MPa	23900 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000430 ohm-cm	0.00000430 ohm-cm	AA; Typical 40% IACS Conductivity

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb
CTE, linear	21.4 µm/m-°C @Temperature 20.0 - 100 °C	11.9 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical
	23.2 µm/m-°C @Temperature 20.0 - 300 °C	12.9 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	155 W/m-K	1070 BTU-in/hr-ft²-°F	AA; Typical at 25°C
Melting Point	557.2 - 612.8 °C	1035 - 1135 °F	AA; Typical
Solidus	557.2 °C	1035 °F	AA; Typical
Liquidus	612.8 °C	1135 °F	AA; Typical

Processing Properties	Metric	English	Comments
Melt Temperature	677 - 816 °C	1250 - 1500 °F
Solution Temperature	535 - 540.6 °C	995 - 1005 °F	hold at temperature for 12 hr; cool in water at 150 to 212°F
Aging Temperature	224 - 229 °C	435 - 445 °F	hold at temperature 7 - 9 hrs; start with solution heat-treated material
Casting Temperature	677 - 788 °C	1250 - 1450 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	90.1 - 93.3 %	90.1 - 93.3 %	As remainder
Copper, Cu	<= 0.25 %	<= 0.25 %
Iron, Fe	<= 0.60 %	<= 0.60 %
Magnesium, Mg	0.20 - 0.45 %	0.20 - 0.45 %
Manganese, Mn	<= 0.35 %	<= 0.35 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	6.5 - 7.5 %	6.5 - 7.5 %
Titanium, Ti	<= 0.25 %	<= 0.25 %
Zinc, Zn	<= 0.35 %	<= 0.35 %

References for this datasheet.

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MAC3560T7S / 9937

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