5083 Aluminum Round Bar
Haomei Aluminum manufactures and supplies 5083 aluminum round bar for demanding marine, transportation, pressure vessel, and industrial fabrication projects. As a high-strength aluminum-magnesium alloy, 5083 is valued for its excellent resistance to seawater corrosion, reliable weldability, and stable performance in humid, saline, and low-temperature environments.
Our 5083 aluminum round rods are available in standard diameters from 0.375 in. to 8.000 in. (approximately 9.5 mm to 203.2 mm), with larger diameters, custom lengths, and cut-to-size service available upon request.
For projects requiring corrosion-resistant aluminum material in marine environments, 5083 is one of the most trusted choices among 5xxx series alloys. You can also explore our complete range of marine grade aluminum products for plate, sheet, coil, and custom processing options.
- Product Form
- Extruded 5083 aluminum round rod / solid round bar
- Common Temper
- H111 temper for balanced strength, machinability and fabrication performance
- Key Benefit
- Excellent marine corrosion resistance with outstanding welding performance for shipbuilding and marine applications
Haomei Aluminum is a professional manufacturer of 5083 aluminum round rods, with advanced extrusion and rolling capabilities, we produce 5083 aluminum round bars with consistent mechanical properties, excellent corrosion resistance, and reliable weldability for demanding operating environments.
From material selection and production control to final inspection and export packaging, Haomei Aluminum ensures full process traceability, stable quality, competitive factory-direct pricing, and efficient global delivery solutions for customers worldwide.
- Manufacturer Direct Supply: Factory production with flexible customization options for diameter and length requirements.
- Consistent Material Performance: Controlled manufacturing processes ensure dependable strength, corrosion resistance, and welding performance.
- Quality Documentation: Material Test Certificates (MTC), inspection reports, and complete product traceability are available upon request.
- Global Export Support: Professional packaging and international logistics solutions for aluminum round bar shipments.
5083 Aluminum Round Bar Standards and Supply
| Specification | Description |
| Standards | ASTM B221 (Extruded Bar) |
| AMS 4095 | |
| Diameter Range | Varies from a few millimeters to several inches |
| Common range is 0.25 inches to 24.00 inches | |
| Supply Tempers | H111 (As-rolled) |
| H321 (Strain-hardened and stabilized) | |
| H116 (Corrosion-resistant temper) | |
| Length | Standard length is 12 to 20 feet (3.66 – 6.1 meters) |
| Custom cutting available | |
| Surface Treatment Options | Mill Finish |
| Polished | |
| Anodized | |
| Classification Society Certifications | Certified by the following international classification societies, ensuring compliance with global marine standards: |
| CCS (China Classification Society) | |
| DNV (Det Norske Veritas) | |
| NK (Nippon Kaiji Kyokai) | |
| ABS (American Bureau of Shipping) | |
| BV (Bureau Veritas) | |
| LR (Lloyd’s Register) | |
| KR (Korean Register) |
Metric diameters, non-standard sizes, custom lengths, and cut pieces are available on request. If your design calls for a diameter outside the listed range, send us your drawing, quantity, required temper, and applicable standard.
For flat-stock requirements, please visit our 5083 aluminum plate page.
Why Choose 5083 Aluminum Round Bar?
5083 belongs to the aluminum-magnesium alloy family. Magnesium is its primary alloying element, while manganese further supports strength and corrosion resistance. Unlike heat-treatable aluminum alloys, 5083 obtains its strength mainly through cold working and strain hardening.
This alloy is particularly suitable for welded structures exposed to seawater, chemical media, moisture, and changing temperatures. It retains good toughness at low temperatures and performs well in applications where both strength and corrosion resistance matter.
Main Advantages
- Excellent resistance to seawater and salt spray corrosion
- High strength among non-heat-treatable aluminum alloys
- Excellent weldability by MIG, TIG, and other conventional methods
- Good toughness in low-temperature service
- Suitable for marine, offshore, tank, and structural components
- Lightweight alternative to steel in corrosion-sensitive applications
- Available with mill test certificates and third-party inspection options
For customers comparing different marine alloys, our guide to 5083 vs. 5086 aluminum can help identify the most suitable material for your design and fabrication requirements.
5083 Aluminum Round Bar Stock
| Description | Diameter (inches) | Form |
| 5083-H111 Extruded Bar 0.375″ Diameter | 0.375″ | Round Bar |
| 5083-H111 Extruded Bar 0.750″ Diameter | 0.750″ | Round Bar |
| 5083-H111 Extruded Bar 1.000″ Diameter | 1.000″ | Round Bar |
| 5083-H111 Extruded Bar 1.500″ Diameter | 1.500″ | Round Bar |
| 5083-H111 Extruded Bar 2.500″ Diameter | 2.500″ | Round Bar |
| 5083-H111 Extruded Bar 3.000″ Diameter | 3.000″ | Round Bar |
| 5083-H111 Extruded Bar 4.000″ Diameter | 4.000″ | Round Bar |
| 5083-H111 Extruded Bar 8.000″ Diameter | 8.000″ | Round Bar |
| 5083-H116 Extruded Bar 0.25" Diameter | 0.25" | Round Bar |
| 5083-H116 Extruded Bar 0.5" Diameter | 0.5" | Round Bar |
| 5083-H116 Extruded Bar 1" Diameter | 1" | Round Bar |
| 5083-H116 Extruded Bar 2" Diameter | 2" | Round Bar |
| 5083-H116 Extruded Bar 3" Diameter | 3" | Round Bar |
| 5083-H116 Extruded Bar 4" Diameter | 4" | Round Bar |
| 5083-H116 Extruded Bar 6" Diameter | 6" | Round Bar |
| 5083-H116 Extruded Bar 8" Diameter | 8" | Round Bar |
| 5083-H116 Extruded Bar 10" Diameter | 10" | Round Bar |
| 5083-H116 Extruded Bar 12" Diameter | 12" | Round Bar |
| 5083-H116 Extruded Bar 24" Diameter | 24" | Round Bar |
| 5083-H321 Extruded Bar 0.25" Diameter | 0.25" | Round Bar |
| 5083-H321 Extruded Bar 0.5" Diameter | 0.5" | Round Bar |
| 5083-H321 Extruded Bar 1" Diameter | 1" | Round Bar |
| 5083-H321 Extruded Bar 2" Diameter | 2" | Round Bar |
| 5083-H321 Extruded Bar 3" Diameter | 3" | Round Bar |
| 5083-H321 Extruded Bar 4" Diameter | 4" | Round Bar |
| 5083-H321 Extruded Bar 6" Diameter | 6" | Round Bar |
| 5083-H321 Extruded Bar 8" Diameter | 8" | Round Bar |
| 5083-H321 Extruded Bar 10" Diameter | 10" | Round Bar |
| 5083-H321 Extruded Bar 12" Diameter | 12" | Round Bar |
| 5083-H321 Extruded Bar 24" Diameter | 24" | Round Bar |
5083 Aluminum Round Bar Chemical Composition
| 5083 Alloy % | |
| Si | 0.40 |
| Fe | 0.40 |
| Cu | 0.10 |
| Mn | 0.40-1.0 |
| Mg | 4.0-4.9 |
| Cr | 0.05-0.25 |
| Ni | - |
| Zn | 0.25 |
| Ti | 0.15 |
| Al | Remainder |
5083 Aluminum Round Rod Properties
The mechanical properties of 5083 aluminum rod vary by diameter, production route, temper, and testing direction. H111 is a commonly supplied temper for extruded round rod, while O, H112, and marine-oriented H116 tempers may be available for specific product forms and project requirements.
| Property | Typical Value |
| Alloy | 5083 |
| Density | 2.66 g/cm³ |
| Density | 0.096 lb/in³ |
| Tensile Strength | Approx. 44–47 ksi, depending on temper and size |
| Yield Strength | Varies by temper and dimensions |
| Elongation | Varies by diameter and temper |
| Weldability | Excellent |
| Corrosion Resistance | Excellent, especially in marine environments |
| Machinability | Fair to moderate |
| Heat Treatability | Non-heat-treatable |
Because mechanical values can differ between lots and dimensions, Haomei Aluminum provides material documentation based on the ordered specification. Please contact our team for certified properties required for your project.
5083 Aluminum Round Bar Standards and Certifications
Haomei Aluminum manufactures 5083 aluminum round bars according to internationally recognized standards and customer-specific requirements. Our products can be produced to meet ASTM, EN, and project-based specifications for marine, transportation, pressure vessel, and industrial fabrication applications.
- ASTM B221 / B221M – Aluminum alloy extruded bars and profiles
- ASTM B211 / B211M – Aluminum alloy rolled or cold-finished bar products
- EN AW-5083 – European designation for Al-Mg marine grade aluminum alloy
- EN 573-3 – Chemical composition and alloy designation requirements
- EN 755 series – Applicable requirements for aluminum extrusion products
- Customer drawings, technical specifications, and project standards
To ensure material traceability and consistent quality, each 5083 aluminum round bar order can be supplied with complete documentation, including Mill Test Certificates (MTC), chemical composition reports, mechanical property test results, dimensional inspection reports, and third-party inspection services when required.
Alloy grade, temper condition, dimensional tolerances, testing requirements, and certification details are reviewed before production to ensure the delivered aluminum round bars meet the application requirements and international purchasing standards.
Typical Applications of 5083 Aluminum Round Bar
Marine and Shipbuilding
5083 aluminum round bar is widely used in shipbuilding and offshore fabrication because it performs well in saltwater and humid marine conditions. Typical uses include:
- Ship and boat structural fittings
- Marine shafts and support parts
- Mast components
- Deck hardware and brackets
- Offshore platform components
- Saltwater-resistant machined parts
For broader marine material selection, see our marine aluminum alloy solutions.
Transportation and Rail Equipment
The combination of high strength, low weight, and good corrosion resistance makes 5083 a practical material for transportation components, including:
- Rail car structural parts
- Truck and trailer components
- Tanker accessories
- Vehicle frames and reinforcement components
- Lightweight structural assemblies
Pressure Vessels and Storage Tanks
5083 is frequently selected for welded tanks and vessels designed to handle liquids, chemicals, or cryogenic media. Its low-temperature toughness is especially useful in specialized storage applications.
Common examples include:
- Liquid storage tanks
- Cryogenic containers
- Chemical tanks
- LNG-related structures
- Pressure vessel components
- Fuel and liquid transport equipment
Industrial and Energy Equipment
In industrial environments, 5083 round rod can be machined or fabricated into components for:
- Drilling rigs
- Pump and valve parts
- Corrosion-resistant fittings
- Structural supports
- Chemical processing equipment
- Heavy-duty welded assemblies
Fabrication and Machining of 5083 Round Rod
Welding
5083 aluminum is known for its excellent weldability. MIG and TIG welding are commonly used for this alloy. In welded structures, suitable filler metals such as 5183, 5356, or other project-approved filler alloys may be selected according to service conditions and welding procedure requirements.
Machining
The machinability of 5083 aluminum is generally considered fair to moderate. It can be machined successfully with sharp tools, appropriate cutting parameters, effective chip control, and suitable coolant or lubrication.
Harder tempers generally provide better chip formation than annealed material. For close-tolerance machined components, it is advisable to confirm the required temper, machining allowance, straightness, and surface condition before production.
Surface Finish
5083 aluminum round bar may be supplied with a standard mill finish. Depending on the project, additional processing can include:
- Cut-to-length service
- Precision sawing
- CNC machining allowance
- Surface polishing
- Protective packaging
- Custom labeling and export packing
Why Buy from Haomei Aluminum?
Haomei Aluminum is a professional aluminum manufacturer and supplier serving customers in marine engineering, transportation, industrial processing, construction, packaging, and fabrication sectors. We focus on supplying consistent aluminum materials that match the actual needs of production, welding, machining, and export logistics.
When you source 5083 aluminum round bar from Haomei Aluminum, you can expect:
- Stable alloy and temper control
- Standard and custom diameter availability
- Cut-to-size service
- Material traceability and mill documentation
- Flexible MOQ support for different project stages
- Export-standard seaworthy packaging
- Technical communication before production
- Support for third-party inspection
Whether you need a small quantity for prototype machining or a long-term supply arrangement for marine fabrication, Haomei Aluminum can help match the material to your required dimensions, standards, and delivery schedule.
Request a Quote for 5083 Aluminum Round Bar
To receive an accurate quotation, please send Haomei Aluminum your product requirements, specifications, quantity, and delivery destination.
- Diameter and required length
- Alloy and temper, such as 5083-H111
- Quantity and total weight
- Applicable standard, such as ASTM B221 or EN AW-5083
- Surface finish or processing requirements
- Required certificates or inspection documents
- Destination port or delivery address
Global Certifications & Quality Standards
At Haomei Aluminum, we don't just promise quality; we document it. Every batch of 5083 aluminum round rods we produce is backed by a comprehensive Mill Test Certificate (MTC).
Our production lines strictly adhere to internationally recognized specifications for aluminum extruded, rolled, and cold-finished products.
FAQ – 5083 Aluminum Round Bar
Is 5083 aluminum round bar suitable for seawater exposure?
Yes. 5083 aluminum round bar offers excellent resistance to seawater corrosion and is widely used in marine, offshore, shipbuilding, and other humid or saline environments.
Is 5083 aluminum heat treatable?
No. 5083 aluminum is a non-heat-treatable alloy. Its strength is mainly achieved through its aluminum-magnesium composition and strain hardening rather than precipitation heat treatment.
What is the difference between 5083 aluminum bar and 5083 aluminum rod?
In commercial applications, “5083 aluminum round bar” and “5083 aluminum round rod” are often used to describe the same solid round aluminum product. However, customers should confirm the required standard, dimensional tolerance, manufacturing process, and application requirements before ordering.
Can Haomei Aluminum cut 5083 round bar to custom lengths?
Yes. Haomei Aluminum provides custom cut-to-length service for 5083 aluminum round bars according to machining, fabrication, and shipping requirements.
What temper is commonly available for 5083 aluminum round rod?
5083-H111 is one of the most commonly supplied tempers for extruded aluminum round rods. Other tempers may be available depending on diameter, product specifications, standards, and production requirements.
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