Aluminum 5056-H38

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Aluminum 5056-H38
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 A95056; ISO AlMg5; ISO AlMg5Cr; Aluminium 5056-H38; AA5056-H38; Al5056-H38
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Physical Properties	Original Value	Comments

Density	2.64 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	100	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	126	Converted from Brinell Hardness Value
Hardness, Rockwell A	41	Converted from Brinell Hardness Value
Hardness, Rockwell B	63	Converted from Brinell Hardness Value
Hardness, Vickers	112	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	60.0 ksi	AA; Typical
	41.0 MPa @Temperature 371 °C
	76.0 MPa @Temperature 316 °C
	110 MPa @Temperature 260 °C
	179 MPa @Temperature 204 °C
	262 MPa @Temperature 149 °C
	414 MPa @Temperature 24.0 °C
Tensile Strength, Yield	50.0 ksi	AA; Typical
	28.0 MPa @Temperature 371 °C
	48.0 MPa @Temperature 316 °C
	69.0 MPa @Temperature 260 °C
	124 MPa @Temperature 204 °C
	214 MPa @Temperature 149 °C
	345 MPa @Temperature 24.0 °C
Elongation at Break	15 % @Temperature 24.0 °C
	30 % @Temperature 149 °C
	50 % @Temperature 204 °C
	80 % @Temperature 260 °C
	100 % @Temperature 316 °C
	130 % @Temperature 371 °C
	15 % @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.
Poissons Ratio	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	22000 psi @# of Cycles 5.00e+8	completely reversed stress; RR Moore machine/specimen
Shear Modulus	25.9 GPa
Shear Strength	32.0 ksi	AA; Typical

Electrical Properties	Original Value	Comments
Electrical Resistivity	38.0 ohm-cir-mil/ft @Temperature 20.0 °C	AA; Typical

Thermal Properties	Original Value	Comments
CTE, linear	13.4 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	22.5 µm/m-°C @Temperature -50.0 - 20.0 °C
	25.2 µm/m-°C @Temperature 20.0 - 200 °C
	26.1 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.904 J/g-°C
Thermal Conductivity	750 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	775 °F	holding at temperature not required
Hot-Working Temperature	600 - 900 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	92.9 - 95.4 %	As remainder
Chromium, Cr	0.05 - 0.20 %
Copper, Cu	<= 0.10 %
Iron, Fe	<= 0.40 %
Magnesium, Mg	4.5 - 5.6 %
Manganese, Mn	0.05 - 0.20 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	<= 0.30 %
Zinc, Zn	<= 0.10 %

References for this datasheet.

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MA5056H38 / 9167

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