EN AW-6082 aluminium sheets – properties, applications and cut to size

EN AW-6082 is one of the most frequently used high-strength aluminium alloys in industrial environments. Thanks to its excellent combination of strength, corrosion resistance and very good machinability, it is particularly suitable for mechanically stressed components in mechanical engineering and vehicle construction. The material belongs to the group of heat-treatable AlMgSi alloys and is available in various tempers, although the T6 variant is the most common.

What is EN AW-6082?

Composition and material group

The designation EN AW-6082 describes a standardised aluminium alloy according to EN 573 and EN 485. It belongs to the AlMgSi1 material group and is based on a heat-treatable alloy of the aluminium-magnesium-silicon system. The heat-treatable property means that the mechanical characteristic values can be increased considerably by targeted heat treatment. As a result, various tempers such as T4, T5 or T6 can be achieved, each of which exhibits different strength and deformation values.

Typical alloying elements are:

• Magnesium (approx. 0.6–1.2 %) – increases strength and contributes to precipitation hardening
• Silicon (approx. 0.7–1.3 %) – improves castability and supports heat treatment
• Manganese (approx. 0.4–1.0 %) – improves strength through grain refinement and supports forming behaviour

In combination, these elements produce an alloy that offers a balanced ratio of strength, machinability, corrosion behaviour and weldability. Compared with purer aluminium materials, EN AW-6082 is significantly more capable, yet remains economical to process.

The microstructure of this alloy can be adjusted by targeted thermal treatments so that specific requirements in practice can be met precisely – for example, high load-bearing capacity combined with good formability in vehicle and mechanical engineering.

Standards and designations

• EN AW-6082 (DIN EN 573-3, EN 485-2)
• Material number: 3.2315
• Short designation: AlMgSi1
• Delivery tempers: incl. T4, T5, T6 (most common)

Technical properties of EN AW-6082

EN AW-6082 offers a balanced combination of mechanical strength, good machinability and excellent corrosion resistance. These characteristics make the material particularly versatile. Typical is its use in components with high static and dynamic loads. In the T6 temper, the alloy achieves a very good strength-to-weight ratio, which makes it particularly interesting for lightweight construction projects.

In addition, EN AW-6082 has a high resistance to weathering and is therefore also suitable for applications outdoors and in corrosive environments. The alloy exhibits a stable structure, which has a positive effect on vibration behaviour and dimensional stability. Due to the fine-grained microstructure in the hardened temper, anodising (eloxal) is also very feasible – both functionally and decoratively.

A further advantage is the consistently high quality in industrial production: EN AW-6082 can be sawn, milled, drilled, turned or ground excellently. The material is therefore ideally suited for precisely machined parts, assemblies or housings with tight tolerances. These properties are particularly in demand in mechanical engineering and fixture construction.

Compared with softer alloys such as EN AW-6060, 6082 achieves a significantly higher yield strength without having to accept any notable losses in machinability.

Mechanical characteristic values (T6 temper)

Property	Typical value (T6)
Tensile strength Rm	290–320 MPa
0.2% proof stress Rp0.2	240–260 MPa
Elongation at break A	8–10 %
Modulus of elasticity	approx. 70,000 MPa
Density	approx. 2.70 g/cm³
Thermal conductivity	approx. 180 W/m·K
Electrical conductivity	approx. 28–30 MS/m
Weldability	good
Machinability	very good (especially in the T6 temper)
Corrosion resistance	very good

Special features

• Suitable for machining (milling, drilling)
• High mechanical strength in the T6 temper
• Suitable for anodising for visual applications

Areas of application of EN AW-6082

This aluminium alloy is used in particular where high strength combined with good machinability is required.

Mechanical engineering

In mechanical engineering, EN AW-6082 is suitable for support profiles, frames, brackets, milled parts, housings and machine covers. The very good machinability allows complex geometries to be produced cost-effectively.

Vehicle construction

Vehicle construction benefits from the low weight and high strength. The material is used, for example, in:

• chassis
• trailer components
• wheel suspensions
• reinforcement profiles

Plant and apparatus engineering

Here, good corrosion resistance plays an important role. Applications are found in:

• platform systems
• brackets and crossbeams
• fixtures and brackets

Further fields of application

• rail vehicle construction
• stage and event technology
• aviation (secondary components only)

Processing and machining

Welding

EN AW-6082 can be welded well using the common processes such as TIG and MIG. After welding, however, post-treatment may be advisable, as the strength in the weld area is reduced.

Machining

The alloy is excellently machinable, especially in the T6 temper. Drilling, milling and turning are possible with standard tools.

Forming

• Bending is possible, but easier in the softer T4 temper.
• Rather unsuitable for deep drawing.

Surface treatment

• Well suited for anodising (technical or decorative)
• Powder coating is also possible

EN AW-6082 compared with other aluminium alloys

Alloy	Strength	Weldability	Corrosion	Price
EN AW-6082	high	good	very good	medium
EN AW-6060	low	very good	good	inexpensive
EN AW-7075	very high	poor	medium	expensive

EN AW-6082 offers a very good price-performance ratio for load-bearing applications and sits in its balance between 6060 (soft, inexpensive) and 7075 (very strong, difficult to machine).

Aluminium sheets made of EN AW-6082: cut to size and stock formats

EN AW-6082 is available as aluminium sheet in various thicknesses and formats. In industrial environments, CNC-machined cut pieces are usually required.

Standard formats and thicknesses

Typical stock thicknesses range from 3 mm to 100 mm. Larger thicknesses (up to 200 mm) are possible on request.

Cut to size

With modern plate sawing systems, individual formats can be produced:

• Sheet cut pieces with high cutting accuracy (e.g. tolerances according to EN ISO 2768)
• Deburring and surface finishing optionally possible
• Large-format cut pieces for plant engineering or mechanical engineering

Advantages of cut pieces

• Time savings in further processing
• Less waste in production
• Ready-to-install semi-finished products directly from delivery

Quality, certificates and special requirements

We supply EN AW-6082 aluminium sheets depending on requirements with:

• Works certificate according to EN 10204 (WAZ 2.2 or 3.1)
• Anodising-capable quality (DEQ)
• Surface: rolled finish or sawn finish
• On request also with protective film or customer-specific marking

FAQ on EN AW-6082 aluminium sheets

What does T6 mean for EN AW-6082?

T6 stands for the artificially aged temper. The material is solution annealed and then artificially aged. The result is maximum strength.

Is EN AW-6082 weldable?

Yes, very good results can be achieved with TIG or MIG. However, the strength in the weld area may decrease.

Can EN AW-6082 be anodised?

Yes, both technically and decoratively. The surface should be prepared accordingly.

For which applications is EN AW-6082 ideal?

Above all in mechanical engineering and vehicle construction, for load-bearing structures, platforms, beams, brackets and fixtures.

What does an EN AW-6082 aluminium sheet cost?

Prices depend on format, thickness, delivery temper and market situation. 6082 is priced above 6060, but significantly below 7075.