Aluminum 5456-O

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Aluminum 5456-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 A95456; ISO AlMg5Mn1; Aluminium 5456-O; AA5456-O; Al5456-O
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Physical Properties	Original Value	Comments

Density	2.66 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	83	500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop	107	Converted from Brinell Hardness Value
Hardness, Rockwell A	35.9	Converted from Brinell Hardness Value
Hardness, Rockwell B	51	Converted from Brinell Hardness Value
Hardness, Vickers	94	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	45.0 ksi	AA; Typical
	>= 260 MPa @Thickness 160 - 200 mm
	>= 270 MPa @Thickness 120 - 160 mm
	>= 275 MPa @Thickness 80.0 - 120 mm
	285 - 360 MPa @Thickness 6.30 - 80.0 mm
	290 - 365 MPa @Thickness 1.20 - 6.30 mm
Tensile Strength, Yield	23.0 ksi	AA; Typical
	>= 105 MPa @Thickness 160 - 200 mm
	>= 115 MPa @Thickness 120 - 160 mm
	>= 120 MPa @Thickness 80.0 - 120 mm
	125 - 205 MPa @Thickness 6.30 - 80.0 mm
	130 - 205 MPa @Thickness 1.20 - 6.30 mm
Elongation at Break	>= 10 % @Thickness 160 - 200 mm	In 5d
	>= 12 % @Thickness 80.0 - 120 mm	In 5d
	>= 12 % @Thickness 120 - 160 mm	In 5d
	>= 14 % @Thickness 6.30 - 80.0 mm	In 5d
	>= 16 % @Thickness 1.20 - 6.30 mm	In 50 mm
	>= 16 % @Thickness 6.30 - 80.0 mm	In 50 mm
	24 % @Diameter 12.7 mm	AA; Typical
Modulus of Elasticity	10300 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Tensile Modulus	70.3 GPa
Compressive Modulus	71.7 GPa
Notched Tensile Strength	241 MPa	2.5 cm width x 0.16 cm thick side-notched specimen, K_t = 17.
Ultimate Bearing Strength	579 MPa	Edge distance/pin diameter = 2.0
Bearing Yield Strength	262 MPa	Edge distance/pin diameter = 2.0
Poissons Ratio	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	150 MPa @# of Cycles 5.00e+8	unnotched R. R. Moore rotating beam
Machinability	30 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.0 GPa	Estimated from similar Al alloys.
Shear Strength	190 MPa	Calculated value.

Electrical Properties	Original Value	Comments
Electrical Resistivity	36.0 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
	24.8 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	810 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	1055 - 1180 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus	1055 °F	AA; Typical
Liquidus	1180 °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	91.9 - 94.8 %	As remainder
Chromium, Cr	0.05 - 0.20 %
Copper, Cu	<= 0.10 %
Iron, Fe	<= 0.40 %
Magnesium, Mg	4.7 - 5.5 %
Manganese, Mn	0.50 - 1.0 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	<= 0.25 %
Titanium, Ti	<= 0.20 %
Zinc, Zn	<= 0.25 %

References for this datasheet.

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MA5456O / 9288

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