Lightweight, durable, and naturally resistant to corrosion, aluminium is a smart choice for industrial, architectural, and manufacturing projects where performance must go hand in hand with lightness.
At Acier Groupe David, we offer a wide inventory of aluminium products available in various alloys and finishes. With our custom processing services and efficient delivery, we help you bring your projects to life faster.
A top-of-the-range aluminum assortment that gives you all the versatility you need.
For all other products
Brass, copper, plastic, chrome and more.
Understanding the Main Types and Alloys of Aluminium
At Acier Groupe David, we are more than just a steel supplier. We also distribute a wide range of aluminium products tailored to the needs of professionals in manufacturing, construction, transportation, engineering, and metalworking.
Some of our products are available in different alloys, each with its own characteristics in terms of strength, weldability, formability, or corrosion resistance.
Here’s some information to help you make informed decisions when choosing aluminium parts.
How Does Aluminium Alloy Coding Work?
Aluminium alloys are often identified by a four-digit code (e.g., 5052, 6061), sometimes followed by letters and numbers specifying their metallurgical temper (e.g., T6, H32).
The four digits indicate the alloy series, based on the main chemical composition:
| Serie | Main chemical |
| 1XXX | Pure aluminum (99% +) |
| 3XXX | Manganese |
| 5XXX | Magnesium |
| 6XXX | Magnesium + silicon |
| 7XXX | Zinc |
The last two digits distinguish variations within the same series. Example: 5052 is a magnesium-aluminuim alloy with specific proportions of magnesium and chromium.
The letters and numbers after the alloy code indicate the temper, i.e., the mechanical or thermal treatments applied:
- H : Work-hardened (cold-worked to increase hardness)
- Example: H32 = quarter-hardened + stabilized
- T : Thermal treatment (heat-treated, quenched, aged, etc.)
- Example: T6 = solution heat-treated then artificially aged
- O: Annealed (soft)
- F: As-fabricated (no special control over temper)
Main Aluminium Alloys Offered at Acier Groupe David
5052-H32
- 5000 series (Al-Mg)
- H32: quarter-hardened + stabilized
Widely used for parts exposed to moisture, this alloy is:
- Highly resistant to corrosion (especially salt and mild chemicals)
- Flexible and easy to form
6061-T6
- 6000 series (Al-Mg-Si)
- T6: fully heat-treated for optimal hardness
One of the most widely used aluminium alloys worldwide. It is:
- Weldable and machinable
- Strong and durable
- Common in structures, beams, tubes, frames, railings, and mechanical components
6063-T5 and 6063-T6
- 6000 series (Al-Mg-Si)
- T5: cooled quickly after extrusion + artificially aged
- T6: fully heat-treated
Known for excellent surface finish, making it ideal for windows, railings, and guardrails. T6 offers higher strength than T5 while maintaining a smooth appearance.
6005-T5
- 6000 series (Al-Mg-Si)
- T5: cooled quickly after extrusion + artificially aged
Stronger than 6063, with good dimensional tolerance. Often used for:
- Welded structures
- Trailers and chassis
- Rails and light structural components
3003-H14
- 3000 series (Al-Mn)
- H14: half-hard
An excellent choice for decorative or non-structural applications such as roofing, panels, household equipment, signage. It offers:
- Good formability
- Excellent corrosion resistance
- Moderate strength
3033-H22
- 3000 series (Al-Mn)
- H22: quarter-hardened
Mostly used for checker plates, with:
- Good corrosion resistance
- Anti-slip surface
- Attractive appearance
When Should You Choose Aluminium Instead of Steel?
Aluminium is an excellent option when lightness, corrosion resistance, and appearance are key priorities.
It is ideal for mobile structures, humid or marine environments, and architectural applications where aesthetics matter.
While not as strong as steel on a weight-for-weight basis, aluminium compensates with easier forming, good weldability, and long-lasting durability—even without protective coatings.
Need Help Choosing the Right Aluminium?
At Acier Groupe David, we know every project has unique requirements. Our team can help you select the right aluminium alloy, format, and finish for your application.
Contact us for technical advice or a custom quote.
We Also Cut and Bend Aluminium to Your Specifications
To save you time on-site or in the workshop, we offer custom cutting and bending services for your sheets, plates, bars, or aluminum profiles.
With specialized equipment, we can process different thicknesses and alloys with precision. Each part is prepared according to your plans, in the right format, to minimize material waste and simplify assembly.
