Aluminum 5083-O

Subcategory: 5000 Series Aluminum Alloy; Aluminum Alloy; Metal; Nonferrous Metal

Close Analogs:

Composition Notes:
Aluminum content reported is calculated as remainder.
Composition information provided by the Aluminum Association and is not for design.

Key Words: UNS A95083; ISO AlMg4.5Mn; Aluminium 5083-O; AA5083-O

Component   Wt. %
Al92.4 - 95.6 
Cr0.05 - 0.25 
CuMax 0.1 
FeMax 0.4 
Component   Wt. %
Mg4 - 4.9 
Mn0.4 - 1 
Other, eachMax 0.05 
Other, totalMax 0.15 
Component   Wt. %
SiMax 0.4 
TiMax 0.15 
ZnMax 0.25 

Material Notes:
Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Physical PropertiesMetricEnglishComments
Density2.66 g/cc0.0961 lb/in AA; Typical

Mechanical Properties
Hardness, Brinell7777 500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop100100 Converted from Brinell Hardness Value
Hardness, Vickers8787 Converted from Brinell Hardness Value
Ultimate Tensile Strength290 MPa42000 psi AA; Typical
Tensile Yield Strength145 MPa21000 psi AA; Typical
Elongation at Break22 %22 % AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity70.3 GPa10200 ksi In Tension
Modulus of Elasticity71 GPa10300 ksi AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Compressive Modulus71.7 GPa10400 ksi 
Notched Tensile Strength269 MPa39000 psi 2.5 cm width x 0.16 cm thick side-notched specimen, Kt = 17.
Ultimate Bearing Strength552 MPa80100 psi Edge distance/pin diameter = 2.0
Bearing Yield Strength248 MPa36000 psi Edge distance/pin diameter = 2.0
Poisson's Ratio0.330.33 Estimated from trends in similar Al alloys.
Fatigue Strength150 MPa21800 psi 5 E+8 cycles unnotched R. R. Moore rotating beam
Machinability30 %30 % 0-100 Scale of Aluminum Alloys
Shear Modulus26.4 GPa3830 ksi 
Shear Strength172 MPa25000 psi AA; Typical

Electrical Properties
Electrical Resistivity5.98e-006 ohm-cm5.98e-006 ohm-cm AA; Typical at 68F

Thermal Properties
CTE, linear 68F23.8 m/m-C13.2 in/in-F AA; Typical; Average over 68-212F range.
CTE, linear 250C26 m/m-C14.4 in/in-F Average over the range 20-300C
Specific Heat Capacity0.9 J/g-C0.215 BTU/lb-F 
Thermal Conductivity117 W/m-K810 BTU-in/hr-ft-F AA; Typical at 77F
Melting Point591 - 638 C1095 - 1180 F AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater
Solidus591 C1095 F AA; Typical
Liquidus638 C1180 F AA; Typical

Processing Properties
Annealing Temperature413 C775 F holding at temperature not required
Hot-Working Temperature316 - 482 C600 - 900 F 

References for this datasheet.

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