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Aluminium Sheet & Plate (Grades 5052, 5083, 6061)
Aluminium Alloy Sheets & Plates designed for engineering and heavy industrial applications. Offering high strength-to-weight ratios, excellent corrosion resistance, and superb machinability. Available in various thicknesses across premium grades: 5052, 5083, and 6061.
High Performance
Industrial Material
Industrial Material
Guide to Selecting the Right Aluminium Alloy Grade
Different aluminium alloys feature distinct chemical compositions, leading to entirely different mechanical properties and ideal applications. Choosing the correct grade is crucial for optimizing manufacturing costs and ensuring component performance.
- Grade 5052 (Al-Mg): Offers medium strength with excellent seawater corrosion resistance and excellent formability. Highly recommended for automotive parts, electrical enclosures, and general sheet metal forming.
- Grade 5083 (Marine Grade): Known for its exceptional performance in extreme environments. It retains high strength after welding and possesses the highest corrosion resistance in marine environments. Ideal for shipbuilding and pressure vessels.
- Grade 6061 (Structural/Mold Grade): A heat-treatable alloy offering the highest strength and superior machinability (CNC friendly). Extensively used for industrial molds, heavy-duty machinery parts, and structural applications requiring high dimensional stability.
Comparison: Aluminium 5052 vs 5083 vs 6061
| Properties | Grade 5052 | Grade 5083 | Grade 6061 |
|---|---|---|---|
| Overall Strength | Medium | High | Very High (T6/T651) |
| Machinability | Fair | Good | Excellent |
| Weldability | Very Good | Excellent | Good |
| Marine Environment | Excellent | Excellent (Best) | Good |
| Primary Applications | Bending / Laser Cutting | Shipbuilding / Tanks | Molds / Structures |
Technical Specifications
Standard: ASTM B209 / JIS H4000
Temper Designations:
- 5052: H32 (Quarter hard, formable)
- 5083: H112 / H321 (Optimized for marine structures)
- 6061: T6 / T651 (Solution heat-treated and stress-relieved)
Typical Mechanical Properties
| Alloy - Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HB) |
|---|---|---|---|
| 5052 - H32 | 210 - 260 | ≥ 150 | 60 |
| 5083 - H112 | 270 - 345 | ≥ 125 | 75 |
| 6061 - T651 | ≥ 290 | ≥ 240 | 95 |
Standard Stock Sizes: Aluminium Plate
| Thickness (mm) | Grade 5052 | Grade 5083 | Grade 6061 |
|---|---|---|---|
| 1.0 - 3.0 (Sheet) | ✓ | ✓ | ✓ |
| 4.0 - 6.0 | ✓ | ✓ | ✓ |
| 8.0 - 12.0 | ✓ | ✓ | ✓ |
| 15.0 - 25.0 | Inquire | ✓ | ✓ |
| 30.0 - 100.0+ (Plate) | - | Inquire | ✓ |
✓ = In Stock | Precision Cut-to-Size services available
Frequently Asked Questions (FAQ)
6061-T651 is the most popular choice for molds because it is extremely easy to CNC machine, provides a smooth finish, and does not warp under heat. However, for specialized blow molding where thermal conductivity and ductility are prioritized, 5083 is sometimes used.
Grade 5083 offers exceptional weldability and retains high strength after welding, making it the top choice for shipbuilding and pressure vessel fabrication.
