5182 Aluminum Bar – High-Performance Marine-Grade Aluminum Alloy
5182 aluminum bar is a high-quality, non-heat-treatable aluminum-magnesium alloy, belonging to the 5xxx series. Known for its excellent corrosion resistance, outstanding formability, and medium strength, this alloy is particularly suited for applications in marine environments and automotive industries. The alloy is widely produced and used globally due to its balanced mechanical properties, durability, and versatility.
Key Characteristics:
Corrosion Resistance: 5182 aluminum bar exhibits superior resistance to corrosion, particularly in saltwater and industrial atmospheres, making it ideal for marine, coastal, and automotive applications.
Excellent Formability: The alloy maintains good workability in cold and hot rolling processes, allowing it to be easily extruded, bent, or machined into complex shapes without cracking.
Moderate Strength: While not as strong as 2xxx or 7xxx series alloys, 5182 aluminum bar offers a balanced strength-to-weight ratio, suitable for structural components where durability and corrosion resistance are critical.
Welding and Fabrication: The material can be welded using standard aluminum welding techniques, and it can also be riveted, allowing flexibility in assembly processes.
Applications:
5182 aluminum bars are widely used in automotive body panels, shipbuilding, marine equipment, pressure vessels, and architectural structures. Common parts include car panels, ship hulls, truck panels, fuel tanks, roofing panels, and decorative structural components. Its excellent corrosion resistance and lightweight properties make it a preferred choice in transportation and marine industries.
Chemical Composition of 5182 Aluminum Bar:
Si: 0.25%
Fe: 0.4%
Cu: 0.1%
Mn: 0.3%
Mg: 4.0–4.9%
Cr: 0.15–0.35%
Zn: 0.25%
Ti: 0.15%
Other: 0.15%
Al: Balance
Physical Properties:
Aluminum is a lightweight, silver-white metal with a density of 2.67 g/cm³. It has excellent thermal and electrical conductivity, reflecting light efficiently, and is highly resistant to oxidation. Like other aluminum alloys, 5182 benefits from these inherent properties, offering a combination of lightweight, strength, and corrosion resistance. It can be machined, polished, or anodized to meet specific industrial and aesthetic requirements.
Advantages Over Pure Aluminum:
Compared to pure aluminum, the addition of magnesium and trace elements in 5182 enhances strength, corrosion resistance, and performance under harsh environmental conditions. It is widely used in industries where lightweight, durable, and corrosion-resistant materials are essential, such as automotive, marine, and transportation.
5182 aluminum bar provides an optimal combination of strength, corrosion resistance, and formability, making it a reliable material for structural, decorative, and industrial applications. Its high-quality properties and versatility ensure long-term performance in demanding environments.
Aluminum Production Process

Applications of 5182 Aluminum Bar
5182 Aluminum Bar
5182 aluminum bar provides excellent corrosion resistance, high strength, and good formability. It is widely used in automotive panels, shipbuilding structures, transportation equipment, and marine applications where superior durability, lightweight performance, and resistance to harsh environments are essential. Its combination of strength and corrosion resistance makes it ideal for applications that require long-lasting structural integrity and easy fabrication.



Warehouse Storage
As a core component of RSC Aluminiumsc business operations, the company not only focuses on the production and processing of high-quality aluminum materials but has also established a comprehensive warehouse storage system. This ensures the secure custody and efficient dispatch of aluminum plates, foils, tubes, rods, and other product series. We employ modern warehouse management practices to achieve scientific classification of raw material and finished goods inventory, dynamic monitoring, and timely shipping and distribution. This effectively enhances supply chain responsiveness, reduces logistics costs, and provides stable, reliable product supply assurance for global customers. Aluminiumsc’s diversified inventory strategy not only supports timely delivery of large-volume orders but also empowers customers to flexibly respond to market demand fluctuations.
Packaging and Transportation
RSC provides professional aluminum packaging and transportation services, utilizing customized moisture-proof and shock-resistant packaging to ensure products arrive safe and intact. Our multi-channel transportation system supports land, sea, and air freight, enabling efficient and timely global distribution to maintain a seamless supply chain.
Why choose us
Q. What’s your advantage?
A: Honest business with competitive price and professional service on export process.
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A: We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.
Q. Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
Q. Where are you? Can I visit you?
A: Sure, welcome to you visit our factory at any time.
Q. How about the delivery time?
A: Within 7-25 days after we confirm you requirement.





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