5754 H111 Aluminum Sheet for Automotive Bodies
Sample： A4 Sized
Payment Terms： L/C,D/P,T/T
Delivery time： Within 15-30 Days
Email Us:sale06@mingtai-al.com
5754 H111 Aluminum Sheet is a non-heat-treatable alloy belonging to the Al-Mg 5series. It is widely recognized for its excellent corrosion resistance, moderate strength, and high ductility. The H111 temper indicates that the alloy has undergone some work hardening during shaping processes, but retains excellent formability—a critical characteristic for complex automotive stampings .
Due to its robust performance characteristics, 5754 is often referred to as a “marine grade” or “anti-rust” aluminum, making it ideal for environments where moisture and road salts are a concern .
5754 Chemical Composition and Properties
The primary alloying element is Magnesium (Mg), which ranges between 2.6% and 3.6%. This addition provides solid-solution strengthening without sacrificing ductility.
| Element | Percentage (%) |
|---|---|
| Magnesium (Mg) | 2.60 – 3.60 |
| Manganese (Mn) | 0.0 – 0.50 |
| Chromium (Cr) | 0.0 – 0.30 |
| Iron (Fe) | 0.0 – 0.40 |
| Silicon (Si) | 0.0 – 0.40 |
| Aluminum (Al) | Balance |
Why 5754 H111 Aluminum Sheet is the Preferred Choice for Automotive Bodies?
Superior Corrosion Resistance
Automotive body panels are constantly exposed to rain, road salt, and industrial pollutants. The natural oxide layer formed on 5754 aluminum provides exceptional resistance to corrosion, ensuring the longevity of the vehicle body, especially in harsh climates .
Excellent Formability and Weldability
The H111 temper is specifically designed for components that require significant shaping. It offers high ductility, allowing manufacturers to execute deep drawing and complex bending operations without cracking . Furthermore, the alloy exhibits excellent weldability, making it easy to integrate into automated assembly lines .
Lightweighting for Efficiency
With a density roughly one-third that of steel, using 5754 aluminum for body panels contributes significantly to reducing overall vehicle weight. For electric vehicles, this translates directly to increased battery range. For internal combustion engines, it means reduced fuel consumption and lower CO2 emissions .
Moderate Strength with Structural Integrity
While not the strongest aluminum alloy available, 5754 offers “moderate strength” that is ideal for non-structural and semi-structural body components. It provides enough rigidity to withstand vibrations and impacts without being too brittle, ensuring the vehicle’s shell remains durable .
5754 H111 Aluminum vs Other Automotive Alloys
| Alloy | Key Feature | Common Application |
|---|---|---|
| 5754 H111 | Excellent corrosion resistance, good formability, moderate strength | Inner body panels, battery trays, floorings, fuel tanks |
| 5182 | Higher strength than 5754, excellent dent resistance | Inner door panels, reinforcements |
| 6016 | Bake-hardenable; gains strength after paint baking | Outer body panels (hoods, roofs) requiring high surface quality |
| 6061 | Higher strength, heat treatable | Structural chassis components, frames |
Contact Mingtai Aluminum
Email: sale06@mingtai-al.com
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