6005A is a medium-strength, versatile, aesthetically pleasing, and heat-treatable alloy that offers excellent corrosion resistance and weldability. It is suitable for anodizing.
This alloy is commonly used in transportation and structural engineering, as well as in various construction and building applications in the industrial, electrical, mechanical, and equipment sectors.
6005A aluminum bar specifications
- ASTM B221
- EN 573
- EN 755-2
Popular products of 6005A aluminum bar
6005A is more suitable for manufacturing standard and custom-shaped extrusions.Quick Quote
6005A Aluminum Round Bar- 6005A round bars are widely used for structural components and machining due to their good strength and corrosion resistance.
- Diameter: φ5-200mm
- Length: 1-6m (custom cutting lengths available)
6005A Aluminum Square Bar- 6005A square bars are used in applications requiring stable structures, offering good machinability and strength.
- Diameter: φ5-200mm
- Length: 1-6m (custom cutting lengths available)
6005A Aluminum Rectangular Bar- 6005A rectangular bars are suitable for custom applications with complex shapes due to their excellent extrusion properties.
- Width: Width
- Thickness: 2-40mm
6005A Large-Diameter Aluminum Bar for Rail Transit- 6005A aluminum alloy, with its stable mechanical properties, excellent corrosion resistance, and good machinability, can be processed into thin-walled profiles with complex cross-sections. It is widely used in high-speed trains and rail transit applications.
- Diameter: Max 1350mm
6005A Forged Bar- The 6005A forged bar is processed through forging, offering higher strength and toughness, making it suitable for demanding fields such as aerospace and automotive manufacturing.
- Diameter: 200-600mm (custom sizes available)
6005A Aluminum Hex Bar- The 6005A hex bar is primarily used for manufacturing fasteners and other components requiring high torsional strength.
- Diameter: 5-200mm
6005A aluminum bar chemical composition (BS EN 573-3)
The 6005 aluminum alloy contains a higher silicon content, which lowers its melting point while significantly enhancing its extrudability.
The 6005A alloy adds more chromium to reduce the risk of stress corrosion and improve toughness. Additionally, it contains extra manganese, further enhancing its extrudability and strength.
| Chemical Element | 6005A % Present | 6005 % Present |
| Si | 0.50 - 0.90 | 0.60 - 0.90 |
| Fe | 0.0 - 0.35 | 0.0 - 0.35 |
| Cu | 0.0 - 0.30 | 0.0 - 0.10 |
| Mn | 0.0 - 0.50 | 0.0 - 0.10 |
| Mg | 0.40 - 0.70 | 0.40 - 0.60 |
| Cr | 0.0 - 0.30 | 0.0 - 0.10 |
| Zn | 0.0 - 0.20 | 0.0 - 0.10 |
| Ti | 0.0 - 0.10 | 0.0 - 0.10 |
| Other (Each) | 0.0 - 0.05 | 0.0 - 0.05 |
| Others (Total) | 0.0 - 0.15 | 0.0 - 0.15 |
| Aluminium (Al) | Remainder | Remainder |
Physical properties of 6005A aluminum bar
| Physical Property | Value |
| Density | 2.70 g/cm³ |
| Melting Point | 605 °C |
| Thermal Expansion | 24 x10^-6 /K |
| Modulus of Elasticity | 70 GPa |
| Thermal Conductivity | 188 W/m.K |
| Electrical Resistivity | 0.034 x10^-6 Ω .m |
Mechanical properties of 6005A T6 aluminum bar (BS EN 755-2)
| Temper | Dimension (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| T6 | up to 25mm Dia. | Min. 270 | Min. 225 | 10 | 90 |
| T6 | 25mm to 50mm Dia. | Min. 260 | Min. 225 | 8 | 90 |
| T6 | 50mm to 100mm Dia. | Min. 260 | Min. 215 | 8 | 85 |
Advantages of 6005A aluminum bar
Weldability
Bending performance
Corrosion Resistance
Formability
Anodizing
Machinability:
Applications of 6005A aluminum bar
6005A aluminum alloy has excellent extrusion properties, allowing it to be formed into semi-complex shapes, suitable for applications requiring outstanding surface finish and structural integrity.
- Marine Applications: Includes ship structures, floating bridges, and offshore platforms, where 6005A aluminum alloy demonstrates excellent corrosion resistance.
- Defense and Transportation: In the defense and transportation sectors, 6005A aluminum profiles are commonly used for ships, vehicles, towers, and hollow structural components, providing moderate mechanical strength and good weldability.
- Construction and Building: Widely used in building structures, scaffolding, and other construction applications, offering good load-bearing and corrosion resistance.
- Ladders: Ladders made from 6005A aluminum alloy are lightweight and sturdy, suitable for both home and industrial use.
- Furniture: Ideal for manufacturing lightweight, durable furniture structures.
- Railway and Passenger Car Structural Components: Used in rail transit and passenger car parts, providing strength and durability.
- Towers and Platforms: Commonly utilized in industrial towers and work platforms due to their high strength and corrosion resistance.
How mastar reduces coarse grains in 6005A aluminum bars
To reduce the thickness of coarse grain rings in 6005A aluminum bars, optimizing the alloy composition and extrusion process is crucial.
- Optimize Chemical Elements: Reduce the manganese content and increase the proportion of chromium.
- Control Extrusion Temperature: Appropriately lowering the extrusion temperature can effectively suppress the growth of coarse grains.
- Reduce Extrusion Speed: A lower extrusion speed can enhance the uniformity of metal flow, thereby reducing the thickness of coarse grains.
- Proper Cooling Rate: During the cooling process after extrusion, controlling the cooling rate reasonably can prevent the expansion of coarse grain regions.
- Appropriate Post-Heat Treatment: Certain post-heat treatments, such as aging, can further refine the grain structure.
Welding recommendations for 6005A aluminum bars
The weldability of 6005A aluminum alloy is outstanding, making it suitable for various standard
welding methods:
- Gas Welding: Performs excellently and is suitable for gas shielded welding processes.
- Arc Welding: Highly suitable for arc welding (including MIG and TIG), with superior welding performance.
- Resistance Welding: Exhibits good durability and weld seam strength during welding.
Filler Materials for 6005A Aluminum Alloy:
- 4043 welding wire is the primary recommended filler material, suitable for most welding scenarios.
- If connecting with 7XXX series aluminum alloys, 5356 welding wire is advised as an alternative material.
How to choose the right 6XXX alloy?
The performance of 6005A alloy lies between 6061 and 6082 alloys, and it is easier to extrude than 6082. Compared to 6005 and 6105, 6005A has higher toughness.
6005A may replace 6061 due to its better extrusion performance and surface appearance stemming from its chemical composition.
It's important to note that 6005 and 6005A have different chemical compositions and should not be confused; 6005 contains significantly more silicon, which lowers the melting temperature and enhances extrudability.
In contrast, 6005A has higher manganese and chromium content, reducing stress corrosion sensitivity and improving toughness, while the additional manganese increases strength and extrudability.
Of course, 6060 or 6063 alloys can also serve as alternatives to 6005A, offering lower strength but with architectural appeal. As your professional aluminum supplier, we can provide all of the above aluminum products.Quick Quote