6082 aluminum sheet in T6 and T651 tempers is a high-strength Al-Mg-Si aluminum alloy material with excellent mechanical properties, good corrosion resistance, and outstanding machinability. It is widely used in transportation, machinery manufacturing, rail transit, and structural engineering.
6082 aluminum sheet belongs to the 6xxx series of heat-treatable aluminum-magnesium-silicon alloys. It has relatively high strength among 6000 series aluminum alloys.
Compared with 6061 aluminum sheet, 6082 generally contains a higher manganese (Mn) content. The addition of manganese helps control grain structure while significantly improving the material’s toughness and hardenability.
Particularly in T6 temper, which is solution heat-treated and artificially aged, or T651 temper, which is stress-relieved by stretching, 6082 aluminum sheet delivers excellent mechanical performance for lightweight replacement of conventional stainless steel or carbon steel components.
Chemical Composition of 6082 Aluminum Alloy (%)
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
| Content | 0.7-1.3 | ≤0.50 | ≤0.10 | 0.4-1.0 | 0.6-1.2 | ≤0.25 | ≤0.20 | ≤0.10 | Remainder |
Quality Standards
6082 aluminum sheet is commonly produced in accordance with internationally recognized standards:
EN AW-6082 — European standard
ASTM B209 — United States standard
GB/T 3880 — Chinese standard
Depending on fabrication and application requirements, 6082 aluminum sheet is mainly available in the following tempers:
6082-T6
T6 is produced through solution heat treatment followed by artificial aging. It provides high strength and hardness and is the most commonly used temper for high-load applications.
6082-T651
T651 is based on T6 temper with an additional stretching process to relieve internal stress. This material is highly resistant to warping and deformation during large-scale or deep CNC milling, engraving, and machining operations. It is an ideal choice for precision mechanical components and mold manufacturing.
6082-O
O temper is the annealed condition. It has the lowest hardness and very high ductility, making it suitable for special processes requiring severe bending, stamping, or cold forming.
| Item | Specification |
| Alloy | 6082 |
| Temper | O, T4, T5, T6, T651 |
| Thickness | 0.5–150 mm |
| Width | 500–2,600 mm |
| Length | 1,000–12,000 mm |
| Standards | ASTM B209, EN 485-2 |
| Surface Finish | Mill finish, anodized, brushed, polished, coated |
| MOQ | 1-3 Tons |
| Services | Custom sizes, laser cutting, and stamping available |
| Density | 2.70 g/cm³ |
| Elastic Modulus | 70 GPa |
| Thermal Conductivity | 170 W/(m·K) |
Mechanical Properties of 6082 Aluminum Sheet
| Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| O | 110-150 | ≥60 | ≥20 |
| T4 | 205-260 | ≥110 | ≥14 |
| T5 | 260-310 | ≥200 | ≥8 |
| T6 | 290-340 | ≥250 | ≥8 |
| T651 | 290-340 | ≥250 | ≥8 |
Medium-to-High Strength: In T6 temper, 6082 aluminum sheet provides high tensile strength and can meet the load-bearing requirements of structural components. Its strength is higher than 6061 in certain tempers.
Excellent Corrosion Resistance: Thanks to the balanced magnesium and silicon composition, 6082 aluminum sheet provides strong corrosion resistance in atmospheric, freshwater, and highly corrosive marine environments. Even under long-term exposure to humid and salt-spray conditions, its surface can form a dense oxide film that helps slow material degradation.
Good Weldability: 6082 aluminum sheet is suitable for various welding methods, including MIG and TIG welding. Welded joint strength can reach more than 80% of the base material strength, and additional post-weld heat treatment is generally not required.
Excellent Fabrication Performance: 6082 aluminum sheet is suitable for cutting, stamping, bending, and welding. It provides stable machining performance and is less prone to cracking during processing.
Transportation and Heavy Equipment: Components requiring extreme lightweighting and high load-bearing capacity, such as subway and high-speed train car body structures, heavy-duty truck bed floors, bridge structural elements, and crane booms.
Marine Engineering and Shipbuilding: Hull shells, deckhouses, offshore drilling platform support frames, and speedboat frameworks, leveraging the material's resistance to seawater corrosion.
Tooling, Fixtures, and Precision Molds: Robotic arms for automated production lines, fixture bases, precision inspection platforms, and medium-to-low-pressure molds such as blow molds and shoe molds.
Defense and Aerospace Components: High-reliability parts such as frames for various military equipment shelters and radar antenna mounts.
Construction Industry: Common applications include roof supports, door and window frames, and interior structural components. Its stability ensures a long service life and reliable performance for building and infrastructure projects.
During factory delivery and export transportation, 6082 aluminum sheet is protected using standard industrial-grade packaging to ensure it remains in good condition during long-distance transport and storage.
PVC protective film or anti-scratch paper is applied to prevent scratching and oxidation.
Moisture-proof paper or PE film is placed between sheets to prevent friction damage.
Export-grade wooden pallets or wooden cases are used for reinforced outer packaging.
Corner protectors are added to improve impact resistance.
Waterproof stretch film is applied to provide protection during ocean freight and long-distance transportation.
Customized packaging labels and shipping marks are available upon request.
Q1: What is the difference between 6082 and 6061 aluminum sheet?
Both 6082 and 6061 are Al-Mg-Si aluminum alloys. However, 6082 is more widely used in Europe and generally has slightly higher strength than 6061, especially in T6 temper. It also provides better corrosion-resistance stability, making it suitable for load-bearing structures and long-term outdoor applications.
Q2: What is the most commonly used temper of 6082 aluminum sheet?
The most common temper in industrial applications is 6082-T6. After artificial aging, it offers high strength and stable mechanical properties, making it suitable for load-bearing structures, machined parts, and transportation components.
Q3: Is 6082 aluminum sheet suitable for welding?
Yes. 6082 aluminum sheet has good weldability and can be welded using common methods such as TIG and MIG welding. The welded structure remains stable; however, for high-strength applications, appropriate strength compensation should be considered during structural design.
Q4: Can 6082 aluminum sheet be customized in size and processing?
Yes. Custom thicknesses, widths, lengths, and cut-to-size services are available. CNC machining, stamping, bending, and surface treatments such as anodizing can also be provided.
Q5: Are export packaging and inspection documents available?
Yes. Standard export wooden case or pallet packaging is available. Material Test Certificates (MTCs), dimensional inspection reports, and third-party inspection documents can also be provided upon customer request.
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