Industrial warehouse stack of 5083 aluminium round bars on a conveyor table showing circular cross-sections and smooth metallic finish

Renaissance Fittings & Piping is a trusted 5083 Aluminium Round Bars supplier and stockist in India, offering premium-quality round bars manufactured in compliance with ASTM B221, ASTM B211, ASTM B565, ASTM B316 and AMS 4121 standards. We stock Aluminium 5083 Round Bars in a wide range of diameters, lengths, tempers and finishes to meet the requirements of marine, offshore, shipbuilding, transportation and heavy engineering industries.

Aluminium Alloy 5083 is a high-magnesium alloy renowned for its exceptional corrosion resistance, excellent weldability and high mechanical strength. Our Hot Rolled (HR) and Cold Rolled (CR) Aluminium 5083 Round Bars are available in O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H32, H34, H36, H38, H111, H112, H114, H116 and H321 tempers with bright, polished and black finishes, making them suitable for demanding structural and marine applications.

Why Choose Aluminium 5083 Round Bars?

Aluminium Alloy 5083 is one of the strongest non-heat-treatable aluminium alloys, offering exceptional corrosion resistance and outstanding mechanical performance. Its high magnesium content provides excellent resistance to seawater, chemicals and harsh environmental conditions, making it the preferred material for marine engineering, offshore structures and industrial fabrication. The alloy also delivers excellent weldability while retaining its strength after welding, making it ideal for complex structural assemblies.

In addition to its superior corrosion resistance, Aluminium 5083 Round Bars are lightweight, durable and easy to fabricate. These characteristics help reduce overall structural weight while maintaining excellent load-bearing capacity and long service life. Their combination of strength, reliability and low maintenance makes Aluminium 5083 one of the most widely used alloys for demanding engineering applications.

Excellent Corrosion Resistance

Aluminium 5083 Round Bars offer exceptional resistance to seawater, salt spray, chemicals and industrial environments. Their superior corrosion resistance makes them an ideal choice for marine structures, offshore platforms, shipbuilding and coastal infrastructure.

High Strength for Marine & Structural Applications

With excellent mechanical strength and load-bearing capability, Aluminium 5083 Round Bars are widely used in structural fabrication, pressure vessels, transportation equipment and heavy engineering projects where dependable performance is essential.

Lightweight with Excellent Weldability

Despite their high strength, Aluminium 5083 Round Bars remain lightweight and are easily welded using conventional aluminium welding techniques. This combination simplifies fabrication while reducing the overall weight of finished components and structures.

Long Service Life with Low Maintenance

The outstanding durability of Aluminium 5083 Round Bars minimises maintenance requirements and extends service life, even in harsh operating conditions. This makes the alloy a cost-effective solution for long-term industrial, marine and infrastructure applications.

Aluminium 5083 Round Bars Specifications

Our Aluminium 5083 Round Bars are manufactured to internationally recognised ASTM, ASME and AMS standards, ensuring outstanding quality, dimensional accuracy and mechanical performance. Available in multiple tempers, diameters and finishes, these round bars are suitable for marine engineering, structural fabrication, pressure vessels, offshore platforms and heavy industrial applications.

Specification Details
Material Grade Aluminium Alloy 5083
Standards ASTM B221, ASTM B211, ASTM B565, ASTM B316, AMS 4121:2014
Standard ASTM, ASME, AMS, GB/T, JIS
Temper O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H32, H34, H36, H38, H111, H112, H114, H116, H321
Size 5 mm to 500 mm
Diameter 6 mm to 150 mm
Length 1000 mm to 6000 mm
Finish Bright, Polish, Black
Type Hot Rolled (HR) / Cold Rolled (CR)

Aluminium 5083 Round Bars Equivalent Grades

Aluminium Alloy 5083 is recognised under international material designation systems, making it suitable for projects requiring globally accepted aluminium specifications. The equivalent grade information below helps engineers and procurement professionals identify compatible standards for domestic and export applications.

Standard UNS Werkstoff Nr.
Aluminium 5083 A95083 3.3547

Types of Aluminium 5083 Round Bars We Supply

Renaissance Fittings & Piping supplies Aluminium 5083 Round Bars in both Hot Rolled (HR) and Cold Rolled (CR) forms to serve the needs of marine, offshore, structural and precision engineering industries. Both variants offer exceptional corrosion resistance, excellent weldability and reliable mechanical strength for demanding industrial applications.

Aluminium 5083 Hot Rolled Round Bars

Aluminium 5083 Hot Rolled Round Bars are manufactured using a controlled hot rolling process that provides excellent toughness and structural integrity. These bars are widely used in shipbuilding, offshore platforms, pressure vessels, heavy engineering, transportation equipment and structural fabrication where superior strength and corrosion resistance are essential.

Hot rolled Aluminium 5083 Round Bars also offer excellent weldability and fabrication characteristics, making them suitable for large structural assemblies and marine engineering projects exposed to harsh environments.

Aluminium 5083 Cold Rolled Round Bars

Aluminium 5083 Cold Rolled Round Bars are produced to achieve tighter dimensional tolerances, improved surface finish and enhanced machining accuracy. These bars are ideal for CNC machining, precision engineering, industrial equipment, machine components and fabricated products requiring consistent mechanical properties and excellent surface quality.

Cold rolled Aluminium 5083 Round Bars combine superior corrosion resistance with outstanding dimensional precision, making them the preferred choice for applications that demand both strength and high-quality finishes.

Aluminium 5083 Round Bars Chemical Composition

The chemical composition of Aluminium Alloy 5083 Round Bars is precisely controlled to deliver exceptional corrosion resistance, high mechanical strength and excellent weldability. Its high magnesium content significantly improves resistance to seawater and aggressive industrial environments, making Aluminium 5083 one of the most preferred alloys for marine and offshore applications.

The table below outlines the standard chemical composition of Aluminium 5083 Round Bars.

Element Composition
Aluminium (Al) Balance
Silicon (Si) 0.40% Max
Iron (Fe) 0.40% Max
Copper (Cu) 0.10% Max
Manganese (Mn) 0.40 – 1.00%
Chromium (Cr) 0.05 – 0.25%
Magnesium (Mg) 4.00 – 4.90%
Titanium (Ti) 0.15% Max
Zinc (Zn) 0.25% Max
Other Elements (Each) 0.05% Max
Other Elements (Total) 0.15% Max

Mechanical Properties of Aluminium 5083 Round Bars

Aluminium 5083 Round Bars provide an excellent balance of strength, toughness and corrosion resistance. These mechanical properties make the alloy highly suitable for marine structures, pressure vessels, transportation equipment and heavy engineering applications where long-term durability and reliable performance are essential.

The following table presents the typical mechanical properties of Aluminium 5083 Round Bars.

Property Value
Proof Stress 125 MPa (Min)
Tensile Strength 275 – 350 MPa
Hardness (Brinell) 75 HB
Elongation 12% (Min)

Standard Specifications for Aluminium 5083 Round Bars

Our Aluminium 5083 Round Bars are manufactured in accordance with internationally recognised ASTM, ASME and AMS standards to ensure consistent quality, dimensional precision and dependable mechanical performance. These standards define the manufacturing, inspection and testing requirements for aluminium alloy bars used across marine, structural and industrial engineering applications.

Standard Description
ASTM B211 / ASME SB211 Standard specification for aluminium and aluminium-alloy rolled or cold-finished bars and rods used in engineering and structural applications.
ASTM B221 / ASME SB221 Standard specification covering aluminium and aluminium-alloy extruded bars and rods with controlled dimensional and mechanical properties.
ASTM B565 / ASME SB565 Standard test method for shear testing of aluminium and aluminium-alloy rivets and cold-heading rods to verify mechanical performance.
ASTM B316 / ASME SB316 Specification covering aluminium and aluminium-alloy rivet and cold-heading bars and rods for industrial fastening and engineering applications.
AMS 4121:2014 Aerospace material specification covering aluminium alloy bars and rods manufactured to stringent quality requirements.

Industrial Applications of Aluminium 5083 Round Bars

Aluminium 5083 Round Bars are extensively used in industries requiring exceptional corrosion resistance, high strength and reliable weldability. Their excellent performance in marine and harsh industrial environments makes them one of the most widely used aluminium alloys for structural and engineering applications.

Common applications include:

  • Shipbuilding and marine vessels
  • Offshore platforms and structures
  • Boat manufacturing
  • Pressure vessels
  • Cryogenic storage tanks
  • Chemical processing plants
  • Oil and gas industry
  • Heavy engineering equipment
  • Structural fabrication
  • Transportation and railway components
  • Defence and military equipment
  • Construction and infrastructure projects
  • Industrial machinery
  • OEM manufacturing
  • Precision engineering and machining

Why Choose Renaissance Fittings & Piping for Aluminium 5083 Round Bars?

Renaissance Fittings & Piping is a trusted 5083 Aluminium Round Bars supplier and stockist in India, offering high-quality aluminium round bars to customers across the marine, offshore, shipbuilding, transportation and heavy engineering industries. We maintain a comprehensive inventory of ASTM B221 / ASTM B211 Aluminium 5083 Round Bars in various diameters, lengths, tempers and finishes, enabling us to fulfil both standard and customised project requirements with quick turnaround times.

Every Aluminium 5083 Round Bar supplied by us is thoroughly inspected to ensure compliance with international standards for chemical composition, dimensional accuracy and mechanical performance. Our commitment to quality, competitive pricing and reliable customer support has established us as a preferred supplier for OEM manufacturers, fabrication companies, engineering contractors and industrial buyers across India and international markets.

Our Supply Advantages

  • Large ready stock of Aluminium 5083 Round Bars
  • Manufactured to ASTM B221, ASTM B211, ASTM B565, ASTM B316 and AMS 4121 standards
  • Available in O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H32, H34, H36, H38, H111, H112, H114, H116 and H321 tempers
  • Hot Rolled (HR) and Cold Rolled (CR) round bars available
  • Wide range of diameters from 6 mm to 150 mm
  • Bright, polished and black finishes
  • Precision cutting and customised lengths available
  • Mill Test Certificates (MTC) supplied with every order
  • Export-quality packaging for safe transportation
  • Competitive pricing for bulk and project requirements
  • Fast delivery across India and worldwide export destinations
  • Technical support for material selection and engineering applications

Major Industrial Cities We Supply

Renaissance Fittings & Piping supplies Aluminium 5083 Round Bars to leading industrial cities across India through a robust distribution network. We ensure timely deliveries to marine industries, engineering companies, fabrication workshops, OEM manufacturers and infrastructure projects, helping customers maintain smooth production and project schedules.

West India North India South India East & Central India
Mumbai Delhi Chennai Kolkata
Pune Noida Bengaluru Patna
Nashik Gurugram Hyderabad Ranchi
Nagpur Faridabad Coimbatore Bhopal
Ahmedabad Chandigarh
Vadodara Ludhiana
Surat Jaipur
Rajkot Indore

Related Aluminium Round Bar Grades

Explore our complete range of aluminium round bars designed for marine, structural and engineering applications:

Each aluminium alloy offers unique advantages in terms of corrosion resistance, mechanical strength, weldability and machinability, enabling engineers and procurement professionals to select the most suitable material for marine, structural and engineering applications.

Request a Quote for Aluminium 5083 Round Bars

Looking for a reliable 5083 Aluminium Round Bars supplier and stockist in India? Renaissance Fittings & Piping supplies premium-quality Aluminium 5083 Round Bars manufactured to international ASTM and ASME standards for marine, offshore, structural and industrial engineering applications. Contact our team today for competitive pricing, technical guidance and prompt delivery across India and export markets.

To receive an accurate quotation, please provide the following details:

  • Required temper
  • Diameter
  • Length
  • Finish (Bright, Polish or Black)
  • Quantity required
  • Delivery location