Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 Round Bars Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Aluminium Alloy 5083 Round Bars in Mumbai, India. We supply 5083 aluminium bars across India and export worldwide, including the USA, Europe, Middle East, Canada, Australia, and Southeast Asia.

Aluminium Alloy 5083 is a non-heat-treatable alloy belonging to the 5xxx series of aluminium-magnesium alloys. It is widely recognized for its excellent corrosion resistance, high strength, and superior performance in marine and high-stress applications. Our 5083 round bars are manufactured to meet aerospace, marine, and industrial standards, ensuring reliability and long-term performance in demanding environments.

Stainless Steel 316 Round Bars

What is Aluminium Alloy 5083 Round Bar?

Aluminium Alloy 5083 is an aluminium-magnesium alloy that combines excellent corrosion resistance with high mechanical strength, particularly in extreme environments. Unlike 2xxx and 7xxx series aluminium alloys, 5083 is non-heat-treatable; its strength is enhanced through cold working and rolling.

Key features of Aluminium 5083 round bars:

  • Exceptional corrosion resistance in seawater and marine environments
  • High tensile and yield strength for structural and industrial applications
  • Good fatigue resistance and weldability
  • Lightweight yet strong for heavy-duty applications
  • Non-magnetic in annealed condition
  • Resistant to stress corrosion cracking

5083 aluminium round bars are widely used in shipbuilding, marine structures, pressure vessels, aerospace components, and automotive frames where strength and corrosion resistance are critical.


Key Features of Aluminium Alloy 5083 Round Bars

  • Superior corrosion resistance in marine, coastal, and chemical environments
  • High tensile strength and excellent yield strength
  • Good fatigue and wear resistance
  • Non-heat-treatable but strengthened through cold working
  • Excellent weldability with all standard welding methods
  • Lightweight, making it ideal for aerospace, marine, and automotive structures
  • Non-magnetic in annealed condition, suitable for sensitive applications

These features make 5083 aluminium round bars ideal for marine, offshore, defense, and industrial applications requiring durable and lightweight materials.


Chemical Composition of Aluminium Alloy 5083 (%)

  • Magnesium (Mg): 4.0 – 4.9%
  • Manganese (Mn): 0.4 – 1.0%
  • Chromium (Cr): 0.05 – 0.25%
  • Iron (Fe): ≤ 0.4%
  • Silicon (Si): ≤ 0.4%
  • Zinc (Zn): ≤ 0.25%
  • Titanium (Ti): ≤ 0.15%
  • Aluminium (Al): Balance

Role of Alloying Elements

  • Magnesium: Enhances corrosion resistance and strengthens the alloy
  • Manganese: Improves mechanical properties and resistance to corrosion
  • Chromium: Improves stress corrosion cracking resistance
  • Aluminium: Provides lightweight properties and ductility

The combination of these elements ensures outstanding performance in marine, chemical, and high-stress industrial environments.


Mechanical Properties of Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 exhibits high mechanical strength and durability, particularly in the H111/H116 cold-worked condition:

  • Tensile Strength: 275 – 350 MPa
  • Yield Strength: 125 – 200 MPa
  • Elongation: 12 – 16%
  • Brinell Hardness: 70 – 90 HB

These mechanical properties make Aluminium 5083 round bars suitable for marine structures, pressure vessels, heavy-duty automotive components, and aerospace frameworks.


Physical Properties of Aluminium Alloy 5083 Round Bars

  • Density: 2.66 g/cm³
  • Melting Range: 590 – 650°C
  • Thermal Conductivity: 117 W/m·K
  • Electrical Conductivity: 30% IACS
  • Modulus of Elasticity: 72.5 GPa
  • Coefficient of Thermal Expansion: 23.2 µm/m°C

The combination of lightweight, corrosion resistance, and mechanical strength makes 5083 aluminium round bars suitable for demanding engineering applications.


Heat Treatment of Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 is non-heat-treatable. Its strength is enhanced primarily through cold working and rolling, producing H111, H112, H116, or H321 temper specifications.

  • H111: Partially strain-hardened
  • H116: Partially strain-hardened, excellent corrosion resistance in seawater
  • H321: Cold-worked and stabilized for improved dimensional stability

Cold working and rolling ensure mechanical strength and fatigue resistance without compromising corrosion resistance.

5083 aluminium round bars are moderately machinable, requiring care to avoid galling:

  • Suitable for turning, milling, drilling, and CNC machining
  • Use sharp carbide cutting tools and adequate coolant
  • Avoid excessive heat generation to maintain surface integrity
  • Machining in annealed or H111 temper ensures better finish and tolerances

Weldability of Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 is highly weldable with all standard welding techniques:

  • TIG (GTAW), MIG (GMAW), and resistance welding are suitable
  • Excellent weldability in H111, H116, or H321 temper
  • Filler materials: 5356 or 5183 for corrosion-resistant welds
  • Post-weld treatment not generally required, although stress relief is optional for thick sections

Proper welding ensures long-term structural integrity and corrosion resistance.


Available Sizes & Specifications

Aluminium Alloy 5083 Round Bars are supplied in:

Standards:

  • ASTM B209 / B221
  • ISO 6361 / 209-1
  • EN 573 / 485

Size Range:

  • Diameter: 6 mm – 300 mm
  • Length: 3m, 6m, or customized cut lengths
  • Tolerances: As per ASTM / ISO standards

Surface Finish:

  • Hot Rolled / Bright
  • Polished
  • Centerless Ground

Applications of Aluminium Alloy 5083 Round Bars

Aluminium Alloy 5083 is widely used in marine, aerospace, automotive, and industrial applications:

Marine & Offshore Applications

  • Shipbuilding and hull components
  • Submarines and naval vessels
  • Offshore platforms and oil rigs
  • Seawater piping and pumps

Aerospace & Defense

  • Aircraft structural components
  • Defense machinery and equipment
  • Aerospace assemblies exposed to corrosive environments

Industrial Applications:

  • Pressure vessels and tanks for chemicals
  • Shafts, rods, and structural supports
  • Automotive frames and high-strength assemblies
  • Machinery components exposed to saltwater or chemicals

Other Applications

  • Cryogenic and low-temperature applications
  • Lightweight structural frameworks
  • High-performance engineering applications requiring corrosion resistance

Advantages of Aluminium Alloy 5083 Round Bars

  • Exceptional corrosion resistance in seawater and marine environments
  • High tensile and yield strength for structural and heavy-duty applications
  • Good fatigue resistance for cyclic loading
  • Weldable with standard aluminium fillers
  • Lightweight, reducing assembly weight and improving efficiency
  • Non-magnetic and suitable for sensitive engineering applications
  • Reliable performance in aerospace, marine, automotive, and industrial environments

Quality Testing & Inspection

All Aluminium Alloy 5083 round bars undergo:

  • Chemical composition analysis
  • Mechanical property testing
  • Hardness testing
  • Dimensional inspection
  • Surface finish verification

Mill Test Certificates (MTC) are provided per ASTM and ISO standards. Third-party inspection is available upon request.

Why Choose Virami Steel Hub for Aluminium Alloy 5083 Round Bars?

  • Trusted aluminium alloy manufacturer and supplier in Mumbai, India
  • High-quality aerospace, marine, and industrial-grade aluminium alloys
  • Competitive pricing and fast delivery
  • Custom sizes, lengths, and temper options
  • Certified quality assurance and MTC
  • Expertise in marine, aerospace, automotive, and industrial applications

Conclusion

Aluminium Alloy 5083 Round Bars are premium-grade, non-heat-treatable aluminium-magnesium alloys offering exceptional corrosion resistance, high mechanical strength, and fatigue performance. Ideal for marine, aerospace, automotive, and industrial applications, Aluminium 5083 ensures durability, reliability, and long-term performance in aggressive environments.

Virami Steel Hub supplies certified Aluminium Alloy 5083 Round Bars with customizable sizes and reliable testing, making it the preferred choice for marine, aerospace, and industrial engineering applications.

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