Aluminum 5254-O

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Aluminum 5254-O
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 5000 Series Aluminum 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 A95254; Aluminium 5254-O; AA5254-O; Al5254-O
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Physical Properties	Original Value	Comments

Density	2.66 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	58	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	73	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	35.0 ksi	AA; Typical
	41.0 MPa @Temperature 371 °C
	75.0 MPa @Temperature 316 °C
	115 MPa @Temperature 260 °C
	150 MPa @Temperature 204 °C
	200 MPa @Temperature 149 °C
	240 MPa @Temperature -28.0 °C
	240 MPa @Temperature 24.0 °C
	240 MPa @Temperature 100 °C
	250 MPa @Temperature -80.0 °C
	360 MPa @Temperature -196 °C
Tensile Strength, Yield	17.0 ksi	AA; Typical
	29.0 MPa @Temperature 371 °C
	50.0 MPa @Temperature 316 °C
	75.0 MPa @Temperature 260 °C
	105 MPa @Temperature 204 °C
	110 MPa @Temperature 149 °C
	115 MPa @Temperature -80.0 °C
	115 MPa @Temperature -28.0 °C
	115 MPa @Temperature 24.0 °C
	115 MPa @Temperature 100 °C
	130 MPa @Temperature -196 °C
Elongation at Break	30 % @Temperature 24.0 °C
	32 % @Temperature -28.0 °C
	35 % @Temperature -80.0 °C
	36 % @Temperature 100 °C
	46 % @Temperature -196 °C
	50 % @Temperature 149 °C
	60 % @Temperature 204 °C
	80 % @Temperature 260 °C
	110 % @Temperature 316 °C
	130 % @Temperature 371 °C
	27 % @Thickness 1.59 mm	AA; Typical
Modulus of Elasticity	10200 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	17000 psi @# of Cycles 5.00e+8	completely reversed stress; RR Moore machine/specimen
Machinability	30 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.0 GPa	Estimated from similar Al alloys.
Shear Strength	22.0 ksi	AA; Typical

Electrical Properties	Original Value	Comments
Electrical Resistivity	32.0 ohm-cir-mil/ft @Temperature 20.0 °C	AA; Typical

Thermal Properties	Original Value	Comments
CTE, linear	13.3 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	22.1 µm/m-°C @Temperature -50.0 - 20.0 °C
	24.0 µm/m-°C @Temperature 20.0 - 100 °C
	24.9 µm/m-°C @Temperature 20.0 - 200 °C
	25.9 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.900 J/g-°C
Thermal Conductivity	870 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	1100 - 1190 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus	1100 °F	AA; Typical
Liquidus	1190 °F	AA; Typical

Processing Properties	Original Value	Comments
Annealing Temperature	650 °F	holding at temperature not required
Hot-Working Temperature	500 - 950 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	94.8 - 96.8 %	As remainder
Chromium, Cr	0.15 - 0.35 %
Copper, Cu	<= 0.05 %
Magnesium, Mg	3.1 - 3.9 %
Manganese, Mn	<= 0.01 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Si+Fe	<= 0.45 %
Titanium, Ti	<= 0.05 %
Zinc, Zn	<= 0.20 %

References for this datasheet.

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MA5254O / 9247

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