Aluminum 5083-O

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Aluminum 5083-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 finds uses 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 A95083; ISO AlMg4.5Mn; Aluminium 5083-O; AA5083-O; Al5083-O
Vendors:	No vendors are listed 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	Metric	English	Comments

Density	2.66 g/cc	0.0961 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	77	77	500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop	100	100	Converted from Brinell Hardness Value
Hardness, Vickers	87	87	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	290 MPa	42000 psi	AA; Typical
	41.0 MPa @Temperature 370 °C	5950 psi @Temperature 698 °F
	75.0 MPa @Temperature 315 °C	10900 psi @Temperature 599 °F
	115 MPa @Temperature 260 °C	16700 psi @Temperature 500 °F
	150 MPa @Temperature 205 °C	21800 psi @Temperature 401 °F
	215 MPa @Temperature 150 °C	31200 psi @Temperature 302 °F
	275 MPa @Temperature 100 °C	39900 psi @Temperature 212 °F
	290 MPa @Temperature -30.0 °C	42100 psi @Temperature -22.0 °F
	290 MPa @Temperature 25.0 °C	42100 psi @Temperature 77.0 °F
	295 MPa @Temperature -80.0 °C	42800 psi @Temperature -112 °F
	405 MPa @Temperature -195 °C	58700 psi @Temperature -319 °F
	>= 250 MPa @Thickness 177.8 - 203 mm	>= 36300 psi @Thickness 7.001 - 8.00 in
	>= 255 MPa @Thickness 127.0 - 178 mm	>= 37000 psi @Thickness 5.001 - 7.00 in
	>= 260 MPa @Thickness 76.23 - 127 mm	>= 37700 psi @Thickness 3.001 - 5.00 in
	270 - 345 MPa @Thickness 38.13 - 76.2 mm	39200 - 50000 psi @Thickness 1.501 - 3.00 in
	275 - 350 MPa @Thickness 1.30 - 38.1 mm	39900 - 50800 psi @Thickness 0.0510 - 1.50 in
Tensile Strength, Yield	145 MPa	21000 psi	AA; Typical
	>= 95.0 MPa @Thickness 177.8 - 203 mm	>= 13800 psi @Thickness 7.001 - 8.00 in
	>= 105 MPa @Thickness 127.0 - 178 mm	>= 15200 psi @Thickness 5.001 - 7.00 in
	>= 110 MPa @Thickness 76.23 - 127 mm	>= 16000 psi @Thickness 3.001 - 5.00 in
	115 - 200 MPa @Thickness 38.13 - 76.2 mm	16700 - 29000 psi @Thickness 1.501 - 3.00 in
	125 - 200 MPa @Thickness 1.30 - 38.1 mm	18100 - 29000 psi @Thickness 0.0510 - 1.50 in
	29.0 MPa @Strain 0.2 %, Temperature 370 °C	4210 psi @Strain 0.2 %, Temperature 698 °F
	50.0 MPa @Strain 0.2 %, Temperature 315 °C	7250 psi @Strain 0.2 %, Temperature 599 °F
	75.0 MPa @Strain 0.2 %, Temperature 260 °C	10900 psi @Strain 0.2 %, Temperature 500 °F
	115 MPa @Strain 0.2 %, Temperature 205 °C	16700 psi @Strain 0.2 %, Temperature 401 °F
	130 MPa @Strain 0.2 %, Temperature 150 °C	18900 psi @Strain 0.2 %, Temperature 302 °F
	145 MPa @Strain 0.2 %, Temperature -80.0 °C	21000 psi @Strain 0.2 %, Temperature -112 °F
	145 MPa @Strain 0.2 %, Temperature -30.0 °C	21000 psi @Strain 0.2 %, Temperature -22.0 °F
	145 MPa @Strain 0.2 %, Temperature 25.0 °C	21000 psi @Strain 0.2 %, Temperature 77.0 °F
	145 MPa @Strain 0.2 %, Temperature 100 °C	21000 psi @Strain 0.2 %, Temperature 212 °F
	165 MPa @Strain 0.2 %, Temperature -195 °C	23900 psi @Strain 0.2 %, Temperature -319 °F
Elongation at Break	25 % @Temperature 25.0 °C	25 % @Temperature 77.0 °F
	27 % @Temperature -30.0 °C	27 % @Temperature -22.0 °F
	30 % @Temperature -80.0 °C	30 % @Temperature -112 °F
	36 % @Temperature -195 °C	36 % @Temperature -319 °F
	36 % @Temperature 100 °C	36 % @Temperature 212 °F
	50 % @Temperature 150 °C	50 % @Temperature 302 °F
	60 % @Temperature 205 °C	60 % @Temperature 401 °F
	80 % @Temperature 260 °C	80 % @Temperature 500 °F
	110 % @Temperature 315 °C	110 % @Temperature 599 °F
	130 % @Temperature 370 °C	130 % @Temperature 698 °F
	>= 12 % @Thickness 177.8 - 203 mm	>= 12 % @Thickness 7.001 - 8.00 in
	>= 14 % @Thickness 127.0 - 178 mm	>= 14 % @Thickness 5.001 - 7.00 in
	14 - 16 % @Thickness 76.23 - 127 mm	14 - 16 % @Thickness 3.001 - 5.00 in
	>= 16 % @Thickness 1.30 - 38.1 mm	>= 16 % @Thickness 0.0510 - 1.50 in
	>= 16 % @Thickness 38.13 - 76.2 mm	>= 16 % @Thickness 1.501 - 3.00 in
	22 % @Diameter 12.7 mm	22 % @Diameter 0.500 in	AA; Typical
Modulus of Elasticity	71.0 GPa	10300 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Tensile Modulus	70.3 GPa	10200 ksi
Compressive Modulus	71.7 GPa	10400 ksi
Notched Tensile Strength	269 MPa	39000 psi	2.5 cm width x 0.16 cm thick side-notched specimen, K_t = 17.
Ultimate Bearing Strength	552 MPa	80100 psi	Edge distance/pin diameter = 2.0
Bearing Yield Strength	248 MPa	36000 psi	Edge distance/pin diameter = 2.0
Poissons Ratio	0.33	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	150 MPa @# of Cycles 5.00e+8	21800 psi @# of Cycles 5.00e+8	unnotched R. R. Moore rotating beam
Machinability	30 %	30 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.4 GPa	3830 ksi
Shear Strength	172 MPa	25000 psi	AA; Typical

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000598 ohm-cm @Temperature 20.0 °C	0.00000598 ohm-cm @Temperature 68.0 °F	AA; Typical

Thermal Properties	Metric	English	Comments
CTE, linear	22.3 µm/m-°C @Temperature -50.0 - 20.0 °C	12.4 µin/in-°F @Temperature -58.0 - 68.0 °F
	23.8 µm/m-°C @Temperature 20.0 - 100 °C	13.2 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical; average over range
	24.2 µm/m-°C @Temperature 20.0 - 100 °C	13.4 µin/in-°F @Temperature 68.0 - 212 °F
	25.0 µm/m-°C @Temperature 20.0 - 200 °C	13.9 µin/in-°F @Temperature 68.0 - 392 °F
	26.0 µm/m-°C @Temperature 20.0 - 300 °C	14.4 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.900 J/g-°C	0.215 BTU/lb-°F
Thermal Conductivity	117 W/m-K	810 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	590.6 - 638 °C	1095 - 1180 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus	590.6 °C	1095 °F	AA; Typical
Liquidus	638 °C	1180 °F	AA; Typical

Processing Properties	Metric	English	Comments
Annealing Temperature	413 °C	775 °F	holding at temperature not required
Hot-Working Temperature	316 - 482 °C	600 - 900 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	92.4 - 95.6 %	92.4 - 95.6 %	As remainder
Chromium, Cr	0.05 - 0.25 %	0.05 - 0.25 %
Copper, Cu	<= 0.10 %	<= 0.10 %
Iron, Fe	<= 0.40 %	<= 0.40 %
Magnesium, Mg	4.0 - 4.9 %	4.0 - 4.9 %
Manganese, Mn	0.40 - 1.0 %	0.40 - 1.0 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.40 %	<= 0.40 %
Titanium, Ti	<= 0.15 %	<= 0.15 %
Zinc, Zn	<= 0.25 %	<= 0.25 %

References for this datasheet.

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MA5083O / 9184

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