Aluminum B443.0-F, Sand Cast

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Aluminum B443.0-F, 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: Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium B443.0-F; UNS A24430; ISO AlSi5; AAB443.0-F; AlB443.0-F
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Physical Properties	Metric	English	Comments

Density	2.69 g/cc	0.0972 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	25 - 55	25 - 55	AA; Typical; 500 g load; 10 mm ball
Tensile Strength, Ultimate	>= 117 MPa	>= 17000 psi	AA
Tensile Strength, Yield	>= 41.4 MPa @Strain 0.2 %	>= 6000 psi @Strain 0.2 %	AA
Elongation at Break	>= 3.0 %	>= 3.0 %	AA; in 2 in. (50 mm) or 4D
Tensile Modulus	71.0 GPa	10300 ksi	Compressive modulus in is typically about 2% higher for Al alloys
Poissons Ratio	0.33	0.33
Machinability	10 %	10 %	0-100 Scale (100=best)
Shear Modulus	26.5 GPa	3840 ksi
Shear Strength	75.0 MPa	10900 psi	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000460 ohm-cm	0.00000460 ohm-cm	AA; Typical 37% IACS Conductivity

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb
CTE, linear	22.1 µm/m-°C @Temperature 20.0 - 100 °C	12.3 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical
	24.1 µm/m-°C @Temperature 20.0 - 300 °C	13.4 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
Thermal Conductivity	146 W/m-K	1010 BTU-in/hr-ft²-°F	AA; Typical at 25°C
Melting Point	573.9 - 632 °C	1065 - 1170 °F	AA; Typical
Solidus	573.9 °C	1065 °F	AA; Typical
Liquidus	632 °C	1170 °F	AA; Typical

Processing Properties	Metric	English	Comments
Melt Temperature	677 - 816 °C	1250 - 1500 °F
Casting Temperature	677 - 788 °C	1250 - 1450 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	91.9 - 95.5 %	91.9 - 95.5 %	As remainder
Copper, Cu	<= 0.15 %	<= 0.15 %
Iron, Fe	<= 0.80 %	<= 0.80 %
Magnesium, Mg	<= 0.05 %	<= 0.05 %
Manganese, Mn	<= 0.35 %	<= 0.35 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	4.5 - 6.0 %	4.5 - 6.0 %
Titanium, Ti	<= 0.25 %	<= 0.25 %
Zinc, Zn	<= 0.35 %	<= 0.35 %

References for this datasheet.

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MAC4430BFS / 10100

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