Aluminum A357.0-T61, Permanent Mold Cast

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Aluminum A357.0-T61, Permanent Mold 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 A357.0-T61; UNS A13570; AAA357.0-T61; AlA357.0-T61
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Physical Properties	Metric	English	Comments

Density	2.67 g/cc	0.0965 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	85 - 115	85 - 115	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	126	126	Estimated from Brinell Hardness.
Hardness, Rockwell A	41	41	Estimated from Brinell Hardness.
Hardness, Rockwell B	63	63	Estimated from Brinell Hardness.
Hardness, Vickers	113	113	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 310 MPa	>= 45000 psi	AA
Tensile Strength, Yield	>= 248 MPa @Strain 0.2 %	>= 36000 psi @Strain 0.2 %	AA
Elongation at Break	>= 3.0 %	>= 3.0 %	AA; in 2 in. (50 mm) or 4D
Tensile Modulus	72.4 GPa	10500 ksi	Compressive modulus in is typically about 2% higher for Al alloys
Poissons Ratio	0.33	0.33	Calculated Value
Machinability	50 %	50 %	0-100 Scale (100=best)
Shear Modulus	26.8 GPa	3890 ksi
Shear Strength	187 MPa	27100 psi	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000440 ohm-cm	0.00000440 ohm-cm	AA; Typical 39% IACS Conductivity

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb	Typical for cast aluminum
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	151 W/m-K	1040 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
Solution Temperature	540.6 °C	1005 °F	hold at temperature for 8 hr; hot water quench
Aging Temperature	171 °C	340 °F	hold at temperature 3 to 5 hrs

Component Elements Properties	Metric	English	Comments
Aluminum, Al	90.7 - 93 %	90.7 - 93 %	As remainder
Beryllium, Be	0.04 - 0.07 %	0.04 - 0.07 %
Copper, Cu	<= 0.20 %	<= 0.20 %
Iron, Fe	<= 0.20 %	<= 0.20 %
Magnesium, Mg	0.40 - 0.70 %	0.40 - 0.70 %
Manganese, Mn	<= 0.10 %	<= 0.10 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	6.5 - 7.5 %	6.5 - 7.5 %
Titanium, Ti	0.04 - 0.20 %	0.04 - 0.20 %
Zinc, Zn	<= 0.10 %	<= 0.10 %

References for this datasheet.

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MAC3570AT6 / 9947

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