Aluminum 333.0-T7, Permanent Mold Cast

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Aluminum 333.0-T7, 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 333.0-T7; UNS A03330; AA333.0-T7. Comparable to JIS AC4B. AlSi8Cu3; Al333.0-T7
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Physical Properties	Metric	English	Comments

Density	2.77 g/cc	0.100 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	75 - 105	75 - 105	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	114	114	Estimated from Brinell Hardness.
Hardness, Rockwell A	37	37	Estimated from Brinell Hardness.
Hardness, Rockwell B	56	56	Estimated from Brinell Hardness.
Hardness, Vickers	101	101	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 214 MPa	>= 31000 psi	AA
Tensile Modulus	73.0 GPa	10600 ksi	Estimated from 360.0
Poissons Ratio	0.33	0.33	Estimated from 360.0
Machinability	50 %	50 %	0-100 Scale (100=best)
Shear Modulus	27.4 GPa	3970 ksi	Calculated
Shear Strength	131 MPa	19000 psi	Calculated

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	Typical for cast aluminum
CTE, linear	20.5 µm/m-°C @Temperature 20.0 - 100 °C	11.4 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical
	22.3 µm/m-°C @Temperature 20.0 - 300 °C	12.4 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	Typical for cast aluminum
Thermal Conductivity	138 W/m-K	957 BTU-in/hr-ft²-°F	AA; Typical at 25°C
Melting Point	516 - 585.0 °C	960 - 1085 °F	AA; Typical
Solidus	516 °C	960 °F	AA; Typical
Liquidus	585.0 °C	1085 °F	AA; Typical

Component Elements Properties	Metric	English	Comments
Aluminum, Al	81.8 - 89 %	81.8 - 89 %	As remainder
Copper, Cu	3.0 - 4.0 %	3.0 - 4.0 %
Iron, Fe	<= 1.0 %	<= 1.0 %
Magnesium, Mg	0.05 - 0.50 %	0.05 - 0.50 %
Manganese, Mn	<= 0.50 %	<= 0.50 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Other, total	<= 0.50 %	<= 0.50 %
Silicon, Si	8.0 - 10 %	8.0 - 10 %
Titanium, Ti	<= 0.25 %	<= 0.25 %
Zinc, Zn	<= 1.0 %	<= 1.0 %

References for this datasheet.

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MAC3330T7 / 9882

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