Aluminum 5083 Round Bar | EN-AW 5083 Aluminium Round Bar | AlMg4.5Mn Round Bar
Aluminum 5083 round bar is a high-strength aluminum-magnesium alloy round bar designed for marine, offshore, transportation and industrial applications requiring excellent corrosion resistance, good weldability and reliable low-temperature performance.
Manufactured from EN-AW 5083 aluminum alloy (AlMg4.5Mn), this non-heat-treatable aluminum alloy contains magnesium, manganese and chromium, providing exceptional resistance to seawater and industrial chemical environments.
5083 aluminum round bars are widely used in:
- shipbuilding
- offshore structures
- cryogenic equipment
- transportation systems
- aerospace components
- pressure vessels
We are a professional supplier and exporter of Aluminum 5083 Round Bar, EN-AW 5083 Aluminium Round Bar and AlMg4.5Mn Round Bar in China.
What is Aluminum 5083 Round Bar?
5083 aluminum alloy belongs to the 5000 series aluminum-magnesium alloys and is known for:
- excellent seawater corrosion resistance
- high mechanical strength
- good weldability
- excellent low-temperature toughness
- lightweight structural performance
Unlike heat-treatable aluminum alloys, 5083 achieves high strength through strain hardening and cold working processes.
5083 aluminum retains excellent mechanical strength after welding, making it one of the most widely used aluminum alloys for marine and structural applications.
Why Choose 5083 Aluminum Round Bar?
5083 aluminum round bars provide excellent performance in extreme environments.
Main Advantages
- exceptional seawater corrosion resistance
- high strength-to-weight ratio
- excellent weldability
- non-magnetic properties
- excellent cryogenic performance
- good formability
5083 aluminum is highly resistant to:
- saltwater exposure
- industrial chemicals
- marine atmosphere corrosion
The alloy maintains excellent toughness at low temperatures without brittleness, making it suitable for cryogenic service applications.
5083 Aluminum Round Bar Specifications
| Specification | Details |
|---|---|
| Product | Aluminum 5083 Round Bar |
| Material Grade | EN-AW 5083 / AlMg4.5Mn |
| UNS Number | A95083 |
| Standard | BS EN 573-3:2019 |
| Manufacturing Process | Extruded |
| Diameter Range | 0.2 mm – 300 mm |
| Length | 6000 mm or customized |
| Surface Finish | Mill Finish / Polished |
| Temper | H116 / H321 / H112 |
Chemical Composition of 5083 Aluminum Round Bar
| Element | Composition (%) |
|---|---|
| Silicon (Si) | ≤ 0.40 |
| Iron (Fe) | ≤ 0.40 |
| Copper (Cu) | ≤ 0.10 |
| Magnesium (Mg) | 4.00 – 4.90 |
| Manganese (Mn) | 0.40 – 1.00 |
| Chromium (Cr) | 0.05 – 0.25 |
| Zinc (Zn) | ≤ 0.25 |
| Titanium (Ti) | ≤ 0.15 |
| Others | ≤ 0.15 |
| Aluminum (Al) | Balance |
The high magnesium content improves:
- corrosion resistance
- marine durability
- structural strength
Mechanical Properties of 5083 Aluminum Alloy
| Property | Value |
|---|---|
| Ultimate Tensile Strength | Approx. 317 MPa |
| Yield Strength | Approx. 228 MPa |
| Modulus of Elasticity | 72 GPa |
| Thermal Conductivity | 121 W/m.K |
| Electrical Resistivity | 0.058 × 10⁻⁶ Ω.m |
5083 aluminum alloy provides one of the highest strengths among non-heat-treatable aluminum alloys.
Physical Properties of 5083 Aluminum Round Bar
| Property | Value |
|---|---|
| Density | 2.65 g/cm³ |
| Melting Point | 570°C |
| Thermal Expansion | 25 × 10⁻⁶ /K |
| Modulus of Elasticity | 72 GPa |
| Thermal Conductivity | 121 W/m.K |
Corrosion Resistance of 5083 Aluminum Round Bar
5083 aluminum alloy is highly resistant to:
- seawater corrosion
- marine atmospheric exposure
- industrial chemicals
- salt spray environments
This excellent corrosion resistance makes 5083 round bars suitable for:
- marine structures
- offshore platforms
- shipbuilding applications
- coastal engineering projects
Weldability of 5083 Aluminum Alloy
5083 aluminum round bars provide excellent weldability using:
- MIG welding
- TIG welding
The alloy maintains high mechanical strength after welding, making it ideal for:
- structural fabrication
- marine welding
- transportation equipment
5083 aluminum alloy is widely selected for welded aluminum structures requiring high corrosion resistance.
5083 Aluminum Round Bar Equivalent Grades
| Standard | Grade |
|---|---|
| EN | AW-AlMg4.5Mn0.7 |
| DIN | AlMg4.5Mn |
| UNS | A95083 |
| ISO | AlMg4.5Mn0.7 |
| USA (AA) | 5083 |
| WNr | 3.3547 |
| UK | BS 5083 |
Equivalent grades may vary depending on project specifications.
Available Tempers of 5083 Aluminum Round Bar
5083-H116
Marine grade temper with enhanced corrosion resistance.
5083-H321
Stabilized marine structural temper for shipbuilding applications.
5083-H112
Hot worked temper widely used for structural and transportation applications.
Applications of 5083 Aluminum Round Bar
Marine & Shipbuilding
Used for:
- ship hulls
- decks
- marine structural reinforcements
- offshore vessels
Offshore & Oil Platforms
Suitable for:
- corrosion-resistant offshore structures
- marine engineering systems
Aerospace & Defense
Applied in:
- aircraft components
- armored vehicle structures
Transportation Industry
Used in:
- truck trailers
- railway components
- tankers
- automotive structures
Cryogenic & Pressure Vessels
Excellent low-temperature toughness makes 5083 suitable for:
- LNG storage systems
- cryogenic tanks
- pressure vessels
Why is 5083 Aluminum Alloy Suitable for Marine Applications?
5083 aluminum alloy combines:
- high strength
- excellent seawater corrosion resistance
- lightweight performance
- reliable weldability
These characteristics make it one of the most widely used aluminum alloys in:
- shipbuilding
- offshore engineering
- marine transportation
The alloy also maintains excellent performance under extreme marine environments.
5083 Aluminum Round Bar Price Calculation
The price of 5083 aluminum round bars is generally calculated based on:
(Aluminum ingot price + processing fee) × weight + packaging fee + transportation cost
In China, aluminum pricing is commonly based on:
- Yangtze Aluminum Price
rather than LME aluminum prices.
Price fluctuations may be affected by:
- raw material costs
- market demand
- dimensions and temper
- exchange rates
- international aluminum market conditions
Testing and Inspection
5083 aluminum round bars can be supplied with:
- chemical composition testing
- mechanical testing
- dimensional inspection
- ultrasonic testing (UT)
- surface inspection
Third-party inspection is available upon request.
Related Products
Marine Grade Aluminum Products
- 5083 Aluminum Plate
- 5083 H321 Aluminum Plate
- 5086 Aluminum Plate
- 5754 Aluminum Sheet
Aluminum Bars & Profiles
- 6061 Aluminum Round Bar
- 7075 Aluminum Bar
- 6063 Aluminum Extrusions
Aluminum Welding Materials
- ER5183 Welding Wire
- ER5356 Aluminum Filler Wire
Why Choose Our 5083 Aluminum Round Bars?
We provide:
- large stock availability
- custom cutting service
- strict quality inspection
- export seaworthy packing
- fast delivery
- worldwide export support
Our EN-AW 5083 aluminum round bars are manufactured for reliable performance in marine, offshore and industrial applications.
