Aluminum A384.0-F Die Casting Alloy

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Aluminum A384.0-F Die Casting Alloy
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Aluminum Casting Alloy
Material Notes:	Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium A384.0-F; UNS A13840; AAA384.0-F Die. 11.2Si-3.8Cu. Comparable to AC-46000 (AC46000) and AC-46100 (AC46100); AlA384.0-F
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Physical Properties	Metric	English	Comments

Density	2.768 g/cc	0.1000 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	85	85	500 kg load, 10 mm ball
Hardness, Knoop	109	109	Estimated from Brinell Hardness.
Hardness, Rockwell A	37	37	Estimated from Brinell Hardness.
Hardness, Rockwell B	53	53	Estimated from Brinell Hardness.
Hardness, Vickers	96	96	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	330 MPa	47900 psi
Tensile Strength, Yield	165 MPa @Strain 0.2 %	23900 psi @Strain 0.2 %
Elongation at Break	2.5 %	2.5 %	in 50 mm
Machinability	50 %	50 %	0-100 Scale (100=best)
Shear Strength	198 MPa	28700 psi	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000750 ohm-cm	0.00000750 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb	Typical for cast aluminum
CTE, linear	20.7 µm/m-°C @Temperature 20.0 - 100 °C	11.5 µin/in-°F @Temperature 68.0 - 212 °F
	22.1 µm/m-°C @Temperature 20.0 - 300 °C	12.3 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	96.0 W/m-K	666 BTU-in/hr-ft²-°F
Melting Point	516 - 582 °C	961 - 1080 °F
Solidus	516 °C	961 °F
Liquidus	582 °C	1080 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	177 - 260 °C	350 - 500 °F	Stress-relief anneal; hold at temperature 4 - 6 hrs; cool in still air
	260 - 371 °C	500 - 700 °F	for increased ductility; hold at temperature 4 - 6 hrs; furnace cool or cool in still air
Casting Temperature	616 - 699 °C	1140 - 1290 °F	Die Casting

Component Elements Properties	Metric	English	Comments
Aluminum, Al	79.3 - 86.5 %	79.3 - 86.5 %	As remainder
Copper, Cu	3.0 - 4.5 %	3.0 - 4.5 %
Iron, Fe	<= 1.3 %	<= 1.3 %
Magnesium, Mg	<= 0.10 %	<= 0.10 %
Manganese, Mn	<= 0.50 %	<= 0.50 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Other, total	<= 0.50 %	<= 0.50 %
Silicon, Si	10.5 - 12 %	10.5 - 12 %
Tin, Sn	<= 0.35 %	<= 0.35 %
Zinc, Zn	<= 1.0 %	<= 1.0 %

References for this datasheet.

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