Aluminium Alloy 5754 (Al97/Mg3) is a non-heat-treatable, high-strength alloy from the 5xxx series, distinguished by its excellent corrosion resistance and medium-to-high mechanical strength. It is widely used in marine, automotive, and structural engineering applications where durability and weight reduction are critical.
Material Overview
Composed primarily of aluminium (97%) with magnesium (3%) as the principal alloying element, AA5754 offers a fine balance of strength and ductility. The presence of magnesium enhances strain hardening, allowing the alloy to achieve yield strengths up to 220 MPa and ultimate tensile strengths of approximately 300 MPa in the H111 or H22 temper. Its density is around 2.66 g/cm3, making it ideal for lightweight structural components. The alloy also exhibits superior resistance to seawater and industrial atmospheres due to its stable passive oxide layer. According to Chowdary et al. (2024), cold extrusion of AA5754 results in improved hardness and surface finish, influenced by die angle and lubrication parameters, while maintaining its excellent corrosion resistance. This behavior supports its use in precision engineering and marine frameworks.
Applications and Advantages
AA5754 is a preferred material for ship hulls, pressure vessels, vehicle panels, and welded structures. Its outstanding weldability and formability make it suitable for fabricating tanks and pipelines exposed to saltwater. In marine and transportation industries, it combines low weight with resistance to stress-corrosion cracking. Studies by Wahid et al. (2020) emphasize its superior strength-to-weight ratio and ease of fabrication, which are critical for high-performance vessels and automotive chassis. Furthermore, Linder et al. (2024) found that magnesium-rich aluminium alloys form a dense, adherent oxide layer in seawater environments, enhancing long-term stability. These properties collectively position AA5754 as one of the most reliable and sustainable materials for demanding outdoor and maritime conditions.
Goodfellow Availability
Goodfellow provides Aluminium Alloy 5754 (Al97/Mg3) in high-purity research and industrial grades with customizable dimensions. The material is suitable for experimental fabrication, lightweight component testing, and marine engineering research. Custom orders and technical support are available to match specific project requirements.
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References
- Chowdary, M. H., Gowthami, K., Nayeem, S., Devi, E. N., & Rao, G. (2024). Examination of the impact of suitable process parameters on the cold extrusion of AA5754. Journal of Physics: Conference Series. https://doi.org/10.1088/1742-6596/2837/1/012088
- Wahid, M. A., Siddiquee, A. N., & Khan, Z. A. (2020). Aluminum alloys in marine construction: characteristics, application, and problems from a fabrication viewpoint. Springer Materials Engineering. https://doi.org/10.1007/S40868-019-00069-W
- Linder, C., Mehta, B., Sainis, S., Lindén, J. B., Zanella, C., & Nyborg, L. (2024). Corrosion resistance of additively manufactured aluminium alloys for marine applications. npj Materials Degradation. https://doi.org/10.1038/s41529-024-00459-5
- Srivastava, K., & Mishra, S. (2022). A review on composition & mechanical strength of wrought aluminum alloy series. International Journal of Engineering Research in Mechanical and Civil Engineering. https://doi.org/10.36647/ijermce/09.08.a003