Aluminum 5086-O

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Aluminum 5086-O
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 5000 Series Aluminum Alloy
Material Notes:	This alloy has very good corrosion resistance (susceptible to deterioration after prolonged exposure to elevated temperatures) and moderate strength. Its weldability is a plus. It is used similarly to aluminum 5083 (although 5086 has better stress corrosion cracking resistance) - in transportation, pressure vessels, cryogenics, towers and drilling rigs, gas/oil piping, ordnance, and armor plate. 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 A95086; ISO AlMg4; Aluminium 5086-O; AA5086-O; Al5086-O
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	2.66 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	70	500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop	93	Converted from Brinell Hardness Value
Hardness, Vickers	80	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	38.0 ksi	AA; Typical
	41.0 MPa @Temperature 371 °C
	76.0 MPa @Temperature 316 °C
	117 MPa @Temperature 260 °C
	152 MPa @Temperature 204 °C
	200 MPa @Temperature 149 °C
	262 MPa @Temperature -28.0 °C
	262 MPa @Temperature 24.0 °C
	262 MPa @Temperature 100 °C
	269 MPa @Temperature -80.0 °C
	379 MPa @Temperature -196 °C
	240 - 305 MPa @Thickness 0.508 - 50.8 mm
Tensile Strength, Yield	17.0 ksi	AA; Typical
	>= 95.0 MPa @Thickness 0.508 - 50.8 mm
	29.0 MPa @Strain 0.2 %, Temperature 371 °C
	52.0 MPa @Strain 0.2 %, Temperature 316 °C
	76.0 MPa @Strain 0.2 %, Temperature 260 °C
	103 MPa @Strain 0.2 %, Temperature 204 °C
	110 MPa @Strain 0.2 %, Temperature 149 °C
	117 MPa @Strain 0.2 %, Temperature -80.0 °C
	117 MPa @Strain 0.2 %, Temperature -28.0 °C
	117 MPa @Strain 0.2 %, Temperature 24.0 °C
	117 MPa @Strain 0.2 %, Temperature 100 °C
	131 MPa @Strain 0.2 %, 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
	15 - 18 % @Thickness 0.508 - 50.8 mm
	22 % @Thickness 1.59 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	71.0 GPa
Compressive Strength	160 MPa
Compressive Modulus	72.4 GPa
Notched Tensile Strength	234 MPa	2.5 cm width x 0.16 cm thick side-notched specimen, K_t = 17.
Ultimate Bearing Strength	483 MPa	Edge distance/pin diameter = 2.0
Bearing Yield Strength	193 MPa	Edge distance/pin diameter = 2.0
Poissons Ratio	0.33
Fatigue Strength	145 MPa @# of Cycles 5.00e+8	unnotched R. R. Moore rotating beam
Machinability	30 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.4 GPa
Shear Strength	23.0 ksi	AA; Typical

Electrical Properties	Original Value	Comments
Electrical Resistivity	33.0 ohm-cir-mil/ft @Temperature 20.0 °C	AA; Typical

Thermal Properties	Original Value	Comments
CTE, linear	13.2 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	22.0 µm/m-°C @Temperature -50.0 - 20.0 °C
	24.7 µm/m-°C @Temperature 20.0 - 200 °C
	25.8 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	1085 - 1185 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus	1085 °F	AA; Typical
Liquidus	1185 °F	AA; Typical

Processing Properties	Original Value	Comments
Annealing Temperature	650 °F	holding at temperature not required
Hot-Working Temperature	600 - 900 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	93 - 96.3 %	As remainder
Chromium, Cr	0.05 - 0.25 %
Copper, Cu	<= 0.10 %
Iron, Fe	<= 0.50 %
Magnesium, Mg	3.5 - 4.5 %
Manganese, Mn	0.20 - 0.70 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	<= 0.40 %
Titanium, Ti	<= 0.15 %
Zinc, Zn	<= 0.25 %

References for this datasheet.

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MA5086O / 9190

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