ALUMINIUM ALLOY

Aluminium Alloy 5083

Aluminium Alloy 5083 is listed in the ALUMINIUM ALLOY material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

Alloy 5083
MATERIAL INTRODUCTION

Aluminium Alloy 5083

The reference chemistry table for Aluminium Alloy 5083 lists Aluminium (Al): Remainder; Magnesium (Mg): 4.0 – 4.9%; Manganese (Mn): 0.4 – 1.0%; Chromium (Cr): 0.05 – 0.25%. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for Aluminium Alloy 5083 lists Tensile Strength: 270 – 350 MPa; Yield Strength: 125 – 240 MPa; Elongation: 12 – 20 %; Hardness: Approx. 70 – 95 HB. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.

Werkstoff / EN cross-reference for Aluminium Alloy 5083: 3.3547. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for Aluminium Alloy 5083.

Material Aluminium Alloy 5083
UNS Number A95083
Werkstoff Number 3.3547
Material Type Aluminium-Magnesium Alloy
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Aluminium (Al): Remainder; Magnesium (Mg): 4.0 – 4.9%; Manganese (Mn): 0.4 – 1.0%; Chromium (Cr): 0.05 – 0.25%. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element Symbol Composition
Aluminium Al Remainder
Magnesium Mg 4.0 – 4.9%
Manganese Mn 0.4 – 1.0%
Chromium Cr 0.05 – 0.25%
Iron Fe 0.40% Max
Silicon Si 0.40% Max
Copper Cu 0.10% Max
Zinc Zn 0.25% Max
Other Elements — Limited according to applicable specification
PERFORMANCE DATA

Mechanical Properties

The table reports Tensile Strength: 270 – 350 MPa; Yield Strength: 125 – 240 MPa; Elongation: 12 – 20 %; Hardness: Approx. 70 – 95 HB as reference data for Aluminium Alloy 5083. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.

Property Value Unit
Tensile Strength 270 – 350 MPa
Yield Strength 125 – 240 MPa
Elongation 12 – 20 %
Hardness Approx. 70 – 95 HB
MATERIAL DATA

Physical Properties

Density Approx. 2.66 g/cm³
Elastic Modulus Approx. 72 GPa
Thermal Conductivity Approx. 117 W/m·K
Specific Heat Approx. 900 J/kg·K
Melting Range Approx. 570 – 640°C
WHY SELECT THIS MATERIAL

Material Characteristics

Aluminium Alloy 5083 is a high-strength, non-heat-treatable aluminium-magnesium alloy widely used for marine, pressure and welded structures.

01

High Corrosion Resistance

Excellent resistance makes 5083 attractive for marine and wet environments.

02

High Strength

Offers high strength among non-heat-treatable aluminium alloys.

03

Weldability

Widely used for welded structures.

04

Low-Temperature Service

Suitable for many cryogenic and low-temperature applications when correctly specified.

Aluminium Alloy 5083 Bolting Products

INDUSTRIAL USE

Typical Applications

Aluminium Alloy 5083 is selected for applications that match its specific strength, corrosion, forming, machining and service characteristics.

01

Marine Structures

Used for shipbuilding, boat structures, decks and marine equipment.

02

Welded Tanks

Suitable for tanks, pressure vessels and fabricated containers.

03

Transportation

Used in vehicle bodies, rail and transport structures.

04

Cryogenic Equipment

Selected for certain low-temperature service applications.

ENGINEERING GUIDE

Engineering Considerations

Welded Condition

Design strength around welds should account for local thermal effects and temper condition.

Forming

Forming behavior depends on product form and temper; avoid unnecessary work hardening when forming complex parts.

Service Environment

Evaluate chloride exposure, galvanic coupling and surface condition in marine service.

COMMON QUESTIONS

Frequently Asked Questions

What is the Werkstoff number for Aluminium Alloy 5083?

The commonly listed Werkstoff / EN cross-reference for Aluminium Alloy 5083 is 3.3547. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.

Is Aluminium Alloy 5083 heat treatable?

No. It is a non-heat-treatable alloy; strength is increased mainly by work hardening.

Is Aluminium Alloy 5083 corrosion resistant?

Yes. It has very good corrosion resistance, especially in many marine environments.

Where is Aluminium Alloy 5083 used?

Typical uses include marine structures, welded tanks, transport equipment and selected cryogenic applications.

ENGINEERING SUPPORT

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