Renaissance Fittings & Piping is a trusted 5083 Aluminium Circles supplier and stockist in India, offering premium-quality ASTM B209 / ASME SB209 Aluminium 5083 Circles in a wide range of tempers, thicknesses and diameters. We supply precision-manufactured aluminium circles for marine, offshore, shipbuilding, pressure vessel, fabrication and heavy engineering applications across India.
Aluminium Alloy 5083 is a high-magnesium aluminium alloy known for its exceptional corrosion resistance, excellent weldability and superior strength compared to conventional non-heat-treatable aluminium grades. We maintain ready stock of Hot Rolled, Cold Rolled and Proof Machined Aluminium 5083 Circles with mill finish and customer-specific finishes to support standard as well as custom industrial requirements.
Aluminium Alloy 5083 is one of the highest-strength alloys within the 5xxx series and is widely specified for applications exposed to harsh marine and industrial environments. Its excellent resistance to seawater, chemicals and atmospheric corrosion makes it a preferred material for industries where long-term durability and structural reliability are critical.
In addition to its corrosion resistance, Aluminium 5083 offers excellent fabrication characteristics, allowing manufacturers to machine, form and weld circular components with ease. These properties make Aluminium 5083 Circles a dependable choice for marine engineering, pressure vessel manufacturing, heavy fabrication and transportation industries.
Aluminium 5083 is specifically recognized for its exceptional resistance to seawater and salt-laden environments. Its high magnesium content helps protect the material against corrosion, making it an ideal choice for shipbuilding, offshore structures and coastal engineering projects.
Compared with many standard aluminium alloys, Aluminium 5083 delivers higher mechanical strength while maintaining a lightweight structure. This combination enables engineers to manufacture durable components without significantly increasing overall equipment weight.
Aluminium 5083 Circles can be easily machined, cut, formed and welded using conventional fabrication methods. Their excellent workability supports efficient production of precision-engineered components while maintaining dimensional accuracy and structural integrity.
Whether used in marine fabrication, chemical processing plants, transportation equipment or heavy engineering projects, Aluminium 5083 Circles provide dependable performance under demanding operating conditions where strength, corrosion resistance and long service life are essential.
Our ASTM B209 Aluminium 5083 Circles are available in multiple tempers, dimensions and surface finishes to support marine engineering, heavy fabrication, pressure vessel manufacturing and industrial applications. We also offer custom specifications based on project drawings and application-specific requirements.
| Specification | Details |
|---|---|
| Material Grade | Aluminium Alloy 5083 |
| Standards | ASTM B209 / ASME SB209 |
| Temper | O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H32, H34, H36, H38, H111, H112, H114, H116, H321 |
| Thickness | 1 mm to 100 mm |
| Diameter | Up to 2000 mm |
| Circle Diameter | 3" DIA up to 38" DIA (1500 lbs Max) |
| Available Forms | Hot Rolled Circles, Cold Rolled Circles, Proof Machined Circles |
| Surface Finish | Mill Finish, Customer Specific Finish |
| Coating Options | PVC Coated, Colour Coated, Polyester, Fluorocarbon, Polyurethane and Epoxy Coating |
Aluminium Alloy 5083 is recognized under various international standards, allowing engineers, procurement teams and manufacturers to identify equivalent material grades across global specifications. The table below provides the commonly accepted equivalent designations for Aluminium 5083 Circles.
| European Standard | OLD | WNr | UNS | ISO | USA (AA) | Germany (DIN) |
|---|---|---|---|---|---|---|
| AW-Al-Mg-5Mn0,7 | AG4,5MC | 3.3547 | A95083 | Al-Mg-5Mn0,7 | 5083 | Al-Mg-5Mn |
Renaissance Fittings & Piping supplies Aluminium 5083 Circles in multiple manufacturing forms to meet the requirements of marine engineering, heavy fabrication, machining and industrial manufacturing. Each type is produced to deliver consistent mechanical performance, dimensional accuracy and excellent corrosion resistance for demanding applications.
Aluminium 5083 Hot Rolled Circles are manufactured through a high-temperature rolling process that produces excellent structural strength and good workability. These circles are widely used for heavy-duty fabrication, pressure vessels, marine structures and industrial equipment where durability and reliable performance are essential.
Their excellent weldability and superior resistance to seawater make hot rolled Aluminium 5083 Circles a preferred choice for shipbuilding, offshore fabrication and structural engineering applications.
Aluminium 5083 Cold Rolled Circles are processed at room temperature to achieve improved surface finish, tighter dimensional tolerances and enhanced thickness consistency. This manufacturing process produces circles suitable for precision machining, fabrication and engineering applications where accurate dimensions are critical.
Cold rolled Aluminium 5083 Circles are commonly used in equipment manufacturing, fabricated assemblies and industrial components requiring excellent surface quality and dependable mechanical performance.
Aluminium 5083 Proof Machined Circles undergo precision machining to achieve improved flatness, accurate dimensions and superior surface quality before delivery. These circles are suitable for applications where close machining tolerances and consistent material quality are required.
Proof machined circles are frequently used in pressure vessel manufacturing, heavy engineering equipment, marine components and precision industrial applications, helping manufacturers reduce machining time while maintaining high production accuracy.
The chemical composition of Aluminium Alloy 5083 Circles is carefully controlled to deliver exceptional corrosion resistance, high mechanical strength and reliable fabrication performance. Its higher magnesium content, combined with manganese and chromium, gives the alloy outstanding resistance to seawater and aggressive industrial environments while maintaining excellent weldability.
The table below outlines the standard chemical composition of Aluminium 5083 Circles.
| 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 |
Aluminium Alloy 5083 is one of the strongest non-heat-treatable aluminium alloys, offering an excellent combination of strength, toughness and corrosion resistance. These mechanical properties make it suitable for demanding applications such as marine fabrication, offshore structures, pressure vessels and heavy engineering equipment.
The following values represent the typical mechanical properties of Aluminium 5083 Circles.
| Property | Value |
|---|---|
| Proof Stress | 125 MPa Min |
| Tensile Strength | 275 – 350 MPa |
| Hardness (Brinell) | 75 HB |
| Elongation | 12% Min |
Our Aluminium 5083 Circles are manufactured in accordance with internationally recognized material standards to ensure consistent quality, dimensional accuracy and dependable performance for marine, fabrication and industrial engineering applications.
| Standard | Description |
|---|---|
| ASTM B209 | Standard specification covering aluminium and aluminium-alloy sheet, plate and circles, including chemical composition, mechanical properties and dimensional tolerances. |
| ASME SB209 | ASME equivalent of ASTM B209, commonly specified for pressure vessel, marine and industrial engineering applications. |
| ASTM B632 / B632M | Covers aluminium alloy rolled tread products and related manufacturing requirements for structural and industrial applications. |
| ASTM B947 | Standard practice for hot rolling and solution heat treatment of aluminium alloy products to ensure consistent metallurgical properties. |
| ASTM B548 | Standard test method for ultrasonic inspection of aluminium alloy products used in pressure vessels and critical engineering applications. |
| AMS 4001 | Aerospace Material Specification covering annealed aluminium circle products used in precision engineering applications. |
| AMS 4003 | Covers strain-hardened aluminium circle material with controlled mechanical properties for industrial and aerospace applications. |
| AMS QQA250/1 | Material specification defining quality and acceptance requirements for aluminium circle products. |
Thanks to their exceptional corrosion resistance, high strength and excellent weldability, Aluminium 5083 Circles are widely used across industries where reliable performance is required under demanding operating conditions. Their ability to withstand seawater exposure and harsh industrial environments makes them a preferred material for critical engineering applications.
Common applications include:
Selecting the right supplier is essential to ensure consistent material quality, timely deliveries and reliable project execution. At Renaissance Fittings & Piping, we maintain a comprehensive inventory of ASTM B209 Aluminium 5083 Circles to support the requirements of shipbuilders, EPC contractors, fabrication companies, OEMs and industrial manufacturers across India.
Our Aluminium 5083 Circles are sourced from trusted mills and supplied with strict quality control to meet the demanding requirements of marine, offshore and heavy engineering applications. Whether you require standard stock sizes or custom specifications, our team is committed to providing dependable material solutions with responsive customer support.
Renaissance Fittings & Piping supplies Aluminium 5083 Circles to engineering companies, shipyards, fabrication workshops and industrial manufacturers across India's major industrial regions. Our efficient logistics network enables timely delivery for both standard and bulk orders.
| 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 |
If your application requires different mechanical properties or fabrication characteristics, you can also explore our other Aluminium Circle grades:
These grades are available in multiple sizes, tempers and finishes to meet a wide range of engineering, fabrication and industrial manufacturing requirements.
Looking for a dependable 5083 Aluminium Circles supplier and stockist in India? Renaissance Fittings & Piping offers ready stock, custom sizing and reliable delivery to support marine, fabrication and industrial manufacturing projects. Share your project requirements, and our team will provide a competitive quotation based on your specifications.
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