5182 aluminum alloy is a high-performance aluminum material that is widely used in the automotive industry, particularly in the lightweight design of vehicle bodies, chassis, and other structural components. With its high strength, excellent workability, corrosion resistance, and lightweight properties, it has become an ideal choice for automotive lightweighting and energy-saving environmental protection.
5182 aluminum alloy is mainly composed of magnesium and manganese elements, with a relatively low content of silicon (Si). Its main characteristics include:
- Tensile Strength and Yield Strength: The tensile strength and yield strength of 5182 aluminum alloy are slightly superior to those of 5052 and 5083 aluminum alloys. This gives it better load-bearing capacity in components like vehicle bodies that need to withstand certain tensile forces and pressures.
- Strength and Toughness: While maintaining relatively high strength, 5182 aluminum alloy also possesses excellent toughness. Its tensile, compression, and bending properties are outstanding, effectively enhancing the stability and crash resistance of vehicle bodies.
5182 Automotive Aluminum Size
| Alloy | Temper | Thickness(mm) | Width(mm) |
| 5182 | O/H111 | 0.5-3.5 | 1200-2650 |
Haomei Aluminum offers automotive inner plates, outer plates, automotive structural materials, covering all key components for automotive lightweighting.
5182 Automotive Aluminum Plate Processing Performance
- Workability: 5182 aluminum alloy has excellent workability in the O state (annealed state), making it suitable for processes like punching, stretching, and other forming techniques. It is particularly suitable for producing complex-shaped automotive body components such as doors, roofs, side panels, etc. Through these forming processes, manufacturers can easily produce parts that meet precise requirements.
- Difficult to heat treat: This alloy cannot be strengthened through heat treatment, but its cold-working performance is excellent, allowing it to be processed into various shapes via cold rolling and cold extrusion.
- Welding performance: With a low silicon content, 5182 aluminum alloy has excellent welding properties, with a low tendency for cracking during welding, making it suitable for welding complex components.
5182 Automotive Aluminum Plate Corrosion Resistance
Corrosion resistance: 5182 aluminum alloy has excellent corrosion resistance, able to withstand oxidation, acid and alkali, salt spray, and other harsh environmental conditions. This makes it particularly suitable for automotive parts that are exposed to outdoor environments for extended periods, such as body panels, decks, and chassis. By extending the lifespan of automobiles, 5182 aluminum alloy helps reduce maintenance costs and replacement frequency.
Compared to traditional steel materials, 5182 aluminum alloy has a much lower density. Using this material can significantly reduce the vehicle's weight, thereby decreasing fuel consumption and carbon dioxide emissions, aligning with the industry's current trends in environmental protection and energy conservation.
The energy absorption capacity of 5182 aluminum alloy is twice that of steel plates, which provides better energy absorption during vehicle collisions, helping to improve the vehicle's safety, particularly for pedestrian and driver head protection.
Haomei Aluminum's 5182 Aluminum Alloy Products
Haomei Aluminum offers customized 5182 aluminum plates to meet the specific needs of customers. Their products have the following advantages:
- Thickness range: The thickness of 5182 aluminum plates ranges from 0.15mm to 600mm, meeting the needs of various applications.
- Width and length: The product width can reach up to 2600mm, and the length ranges from 500mm to 1600mm, ensuring sufficient material support for large-scale production.
- Surface quality: The 5182 aluminum plates produced by Haomei Aluminum have a defect-free, flat surface, ensuring that the final product meets high-quality standards.
With its excellent strength, toughness, workability, corrosion resistance, and lightweight properties, 5182 aluminum alloy plays a crucial role in automotive lightweighting and safety. It not only reduces energy consumption and extends the vehicle's service life but also enhances overall safety, meeting the modern automotive industry's demand for environmentally friendly, energy-efficient, and high-performance materials. Therefore, 5182 aluminum alloy is an indispensable material in automotive manufacturing.
5182 Automotive Aluminum Chemical Composition
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Standard |
| 5182 | 0.20 | 0.36 | 0.15 | 0.20-0.50 | 4.0-5.0 | 0.10 | 0.25 | 0.10 | EN/ASTM |
5182 Automotive Aluminum Mechanical Properties
| Alloy | Temper |
Tensile Strength Rm(Mpa) |
Yield Strength Rp0.2(Mpa) |
Elongation at Break A80% |
Uniform Elongation Ag(%) |
Plastic Strain Ratio |
Strain Hardening Exponent |
Yield Tensile ratio Rp/Rm |
| 5182 | O/H111 | ≥270 | 120-160 | ≥23 | ≥20 | ≥0.6 | ≥0.26 | ≦0.6 |
Applications of 5182 Aluminum Plate
5182 aluminum plate has wide applications in automotive manufacturing, especially in vehicle body lightweighting and safety enhancement. Particularly, 5182 O-tempered body aluminum plates, with their excellent strength and forming performance, are commonly used to produce various automotive components. These parts not only effectively reduce the vehicle's body weight but also improve the vehicle's stability and safety, providing superior energy absorption in collisions.
Body Applications
5182 aluminum alloy is commonly used in the production of automotive body panels, especially those components that require high strength and lightweight properties. By using 5182 aluminum alloy body panels, not only can the overall weight of the vehicle be reduced, but the vehicle’s impact resistance can also be improved, thereby enhancing overall safety and reducing harm to pedestrians and passengers in the event of a collision.
| Application Component | Description |
| Car Door | The car door is a critical component of the vehicle, providing entry and exit while protecting passengers from side collisions. 5182 aluminum alloy, known for its excellent workability and high strength, is often used as the inner panel material for car doors. The lightweight properties of aluminum help reduce the door's weight while improving its strength and impact resistance. |
| Mudguard | Mudguards help reduce the vehicle’s drag coefficient, improve driving stability, and prevent mud and water from splashing, protecting the body. 5182 aluminum alloy has excellent weather resistance and formability, perfectly meeting the requirements for mudguard production. Its high strength and lightweight properties improve the vehicle's stability and better withstand harsh weather conditions. |
| Hood Outer Panel | Traditionally, the hood outer panel was made of steel, but to meet the lightweighting demands, more and more vehicles are now using 5182 aluminum alloy. It not only reduces the vehicle’s weight but also provides sufficient strength and toughness, enhancing overall vehicle safety. |
| Truck Tailgate | 5182 aluminum alloy is suitable for large components such as truck tailgates. Whether it’s a cargo truck tailgate or a truck cover, 5182 aluminum alloy provides the required strength while reducing vehicle weight, meeting modern logistics transportation demands for lightweighting and high strength. |
In automotive manufacturing, especially in the application of body panels, 5182 aluminum alloy demonstrates excellent lightweight performance and safety. Whether it's car doors, mudguards, hoods, or truck tailgates, 5182 aluminum alloy helps achieve vehicle lightweighting and energy-saving goals by reducing weight and enhancing strength. Moreover, its excellent corrosion resistance and welding performance make it an indispensable material in the modern automotive industry.