Aluminum 518.0-F Die Casting Alloy

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Aluminum 518.0-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 518.0-F; UNS A05180; AA518.0-F Die; Al518.0-F
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Physical Properties	Metric	English	Comments

Density	2.57 g/cc	0.0928 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	80	80	500 kg load, 10 mm ball
Hardness, Knoop	103	103	Estimated from Brinell Hardness.
Hardness, Rockwell B	49	49	Estimated from Brinell Hardness.
Hardness, Vickers	90	90	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	310 MPa	45000 psi
Tensile Strength, Yield	193 MPa @Strain 0.2 %	28000 psi @Strain 0.2 %
Elongation at Break	5.0 %	5.0 %	in 50 mm
Tensile Modulus	69.0 GPa	10000 ksi	Estimated
Poissons Ratio	0.33	0.33	Estimated
Fatigue Strength	160 MPa @# of Cycles 5.00e+8	23200 psi @# of Cycles 5.00e+8	Notch Status unknown, R.R. Moore Test
Machinability	90 %	90 %	0-100 Scale (100=best)
Shear Modulus	26.0 GPa	3770 ksi	Estimated
Shear Strength	205 MPa	29700 psi
Charpy Impact	9.00 J	6.64 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000680 ohm-cm	0.00000680 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb	Typical for cast aluminum
CTE, linear	24.1 µm/m-°C @Temperature 20.0 °C	13.4 µin/in-°F @Temperature 68.0 °F
	26.5 µm/m-°C @Temperature 20.0 - 300 °C	14.7 µin/in-°F @Temperature 68.0 - 572 °F	Estimated by MatWeb from similar alloys
Specific Heat Capacity	0.963 J/g-°C	0.230 BTU/lb-°F	Typical for cast aluminum
Thermal Conductivity	96.2 W/m-K	668 BTU-in/hr-ft²-°F
Melting Point	535 - 621 °C	995 - 1150 °F
Solidus	535 °C	995 °F
Liquidus	621 °C	1150 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	88.1 - 92.5 %	88.1 - 92.5 %	As remainder
Copper, Cu	<= 0.25 %	<= 0.25 %
Iron, Fe	<= 1.8 %	<= 1.8 %
Magnesium, Mg	7.5 - 8.5 %	7.5 - 8.5 %
Manganese, Mn	<= 0.35 %	<= 0.35 %
Nickel, Ni	<= 0.15 %	<= 0.15 %
Other, total	<= 0.25 %	<= 0.25 %
Silicon, Si	<= 0.35 %	<= 0.35 %
Tin, Sn	<= 0.15 %	<= 0.15 %
Zinc, Zn	<= 0.15 %	<= 0.15 %

References for this datasheet.

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MAC5180F / 10138

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