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Aluminum A443.0
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: UNS A14430; Aluminium A443.0; AAA443.0; AlA443.0
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Physical PropertiesMetricEnglishComments
Density 2.69 g/cc0.0972 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Tensile Modulus 71.0 GPa10300 ksiCompressive modulus in is typically about 2% higher for Al alloys
Poissons Ratio 0.330.33
Shear Modulus 26.5 GPa3840 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000460 ohm-cm0.00000460 ohm-cmAA; Typical 37% IACS Conductivity
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 389 J/g167 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-°C0.230 BTU/lb-°F
Thermal Conductivity 146 W/m-K1010 BTU-in/hr-ft²-°FAA; Typical at 25°C
Melting Point 573.9 - 632 °C1065 - 1170 °FAA; Typical
Solidus 573.9 °C1065 °FAA; Typical
Liquidus 632 °C1170 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Melt Temperature 649 - 760 °C1200 - 1400 °FDie Casting
 677 - 816 °C1250 - 1500 °FSand and permanent mold castings
Casting Temperature 635.0 - 704 °C1175 - 1300 °FDie Casting
 677 - 788 °C1250 - 1450 °FSand and permanent mold castings
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 91 - 95.5 %91 - 95.5 %As remainder
Chromium, Cr <= 0.25 %<= 0.25 %
Copper, Cu <= 0.30 %<= 0.30 %
Iron, Fe <= 0.80 %<= 0.80 %
Magnesium, Mg <= 0.05 %<= 0.05 %
Manganese, Mn <= 0.50 %<= 0.50 %
Other, total <= 0.35 %<= 0.35 %
Silicon, Si 4.5 - 6.0 %4.5 - 6.0 %
Titanium, Ti <= 0.25 %<= 0.25 %
Zinc, Zn <= 0.50 %<= 0.50 %

References for this datasheet.

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MAC4430A / 10098

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