Aluminum 1145-O

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Aluminum 1145-O
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 1000 Series Aluminum
Material Notes:	Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN. Composition Notes: The aluminum content for unalloyed aluminum not made by a refining process is the difference between 100.00 percent and the sum of all other analyzed metallic elements present in amounts of 0.010 percent of more each, expressed to the second decimal before determining the sum. For alloys and unalloyed aluminum not made by a refining process, when the specified maximum limit is 0.XX, an observed value or a calculated value greater than 0.005 but less than 0.010% is rounded off and shown as " less than 0.01%". Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium 1145-O; UNS A91145; Government QQ-A-1876; ASTM B 373; AA1145-O; Al1145-O
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Physical Properties	Metric	English	Comments

Density	2.70 g/cc	0.0975 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	21	21	500 kg load with 10 mm ball. Calculated value.
Tensile Strength, Ultimate	75.0 MPa	10900 psi
Tensile Strength, Yield	35.0 MPa	5080 psi
Elongation at Break	2.4 %	2.4 %	Foil
	40 % @Thickness 1.60 mm	40 % @Thickness 0.0630 in	In 5 cm
Tensile Modulus	69.0 GPa	10000 ksi	Compressive Modulus is about 2% higher
Poissons Ratio	0.33	0.33
Shear Modulus	26.0 GPa	3770 ksi	Calculated
Shear Strength	55.0 MPa	7980 psi	Calculated value.

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000280 ohm-cm	0.00000280 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	390 J/g	168 BTU/lb
CTE, linear	21.8 µm/m-°C @Temperature -50.0 - 20.0 °C	12.1 µin/in-°F @Temperature -58.0 - 68.0 °F
	23.6 µm/m-°C @Temperature 20.0 - 100 °C	13.1 µin/in-°F @Temperature 68.0 - 212 °F
	24.5 µm/m-°C @Temperature 20.0 - 200 °C	13.6 µin/in-°F @Temperature 68.0 - 392 °F
	25.5 µm/m-°C @Temperature 20.0 - 300 °C	14.2 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.904 J/g-°C	0.216 BTU/lb-°F
Thermal Conductivity	230 W/m-K	1600 BTU-in/hr-ft²-°F
Melting Point	646 - 657 °C	1190 - 1210 °F
Solidus	646 °C	1190 °F
Liquidus	657 °C	1210 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.040	0.040	At 9.3 micron wavelength
Reflection Coefficient, Visible (0-1)	0.96	0.96	0.3-10 micron wavelength

Processing Properties	Metric	English	Comments
Annealing Temperature	343 °C	650 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	>= 99.45 %	>= 99.45 %	Specified
Copper, Cu	<= 0.05 %	<= 0.05 %
Magnesium, Mg	<= 0.05 %	<= 0.05 %
Manganese, Mn	<= 0.05 %	<= 0.05 %
Other, each	<= 0.03 %	<= 0.03 %
Si+Fe	<= 0.55 %	<= 0.55 %
Titanium, Ti	<= 0.03 %	<= 0.03 %
Vanadium, V	<= 0.05 %	<= 0.05 %
Zinc, Zn	<= 0.05 %	<= 0.05 %

References for this datasheet.

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MA1145O / 8762

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