Feb. 08, 2025
The choice between 5182 Aluminum and 5182-H111 Aluminum depends on the specific application requirements. If higher strength and corrosion resistance are needed, 5182 aluminum alloy is the choice. If better formability and ductility are required, 5182-H111 aluminum alloy is preferred.
5182 Aluminum Alloy
5182 aluminum alloy is a composition primarily made up of aluminum and magnesium, offering good corrosion resistance, strength, and ductility. It contains a certain amount of manganese and other trace elements that enhance the alloy's strength and corrosion resistance.
It is typically used in applications requiring higher strength and corrosion resistance, such as in the automotive, marine, and pressure vessel industries.
5182-H111 Aluminum Alloy
5182-H111 aluminum alloy is the form of 5182 aluminum alloy in the H111 temper. H111 indicates that the alloy has undergone strain hardening, achieving partial hardening, but its hardness and strength are lower than higher H-temper versions (e.g., H12, H14, etc.). Materials in the H111 state typically have better plasticity and ductility.
In the H111 state, 5182 aluminum alloy still maintains a relatively high strength, but its elongation at break and formability are better, making it suitable for applications requiring good formability.
| Property | 5182 Aluminum | 5182-H111 Aluminum |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | 68 |
| Elongation at Break, % | 1.1 to 12 | 12 |
| Fatigue Strength, MPa | 100 to 130 | 100 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus, GPa | 25 | 25 |
| Shear Strength, MPa | 170 to 240 | 170 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 420 | 280 |
| Tensile Strength: Yield (Proof), MPa | 130 to 360 | 130 |
Tensile Strength
5182 aluminum alloy has a high tensile strength, making it suitable for applications requiring high strength. However, due to the treatment in the H111 state, 5182-H111 aluminum alloy has a slightly lower tensile strength, but still possesses sufficient strength for many applications.
Ductility and Elongation at Break
5182-H111 aluminum alloy performs better in elongation at break, meaning it has higher ductility. This makes 5182-H111 aluminum alloy easier to handle in forming and bending operations, making it suitable for parts that require better ductility.
Fatigue Strength
The fatigue strength of both materials is very similar, indicating that their durability under long-term loading is comparable. Therefore, both 5182 and 5182-H111 aluminum alloys can be used in automotive components requiring high fatigue resistance.
5182 Aluminum Alloy Applications
5182 aluminum alloy, due to its excellent high strength and corrosion resistance, is widely used in the automotive industry, particularly in the manufacture of body and structural parts. It is commonly used for key components such as doors, roofs, and fuel tanks, where it can withstand external impacts and corrosion, ensuring the vehicle's reliability in harsh environments. Additionally, 5182 aluminum alloy is also widely used in shipbuilding and other industrial fields for pressure vessels to cope with various severe working conditions.
5182-H111 Aluminum Alloy Applications
5182-H111 aluminum alloy, due to its superior ductility and better formability, is widely used in the automotive industry, particularly in components that require high workability. It is typically used for producing body structure panels and exterior parts, as it can adapt to complex processes such as stamping, forming, and bending, making it suitable for the manufacturing of automotive exterior parts that require precise processing and good plasticity. This makes 5182-H111 aluminum alloy an indispensable material in the automotive manufacturing process.
Corrosion Resistance
Both 5182 Aluminum and 5182-H111 Aluminum exhibit excellent corrosion resistance, particularly in marine environments and harsh automotive conditions, making them widely used in marine equipment, automotive fuel tanks, and other applications.
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