Aluminum Sheet 3003: High-Quality, Corrosion-Resistant Alloy for Diverse Industrial Applications This comprehensive product description highlights the exceptional qualities of Aluminum Sheet 3003, a widely used non-heat-treatable aluminum alloy known for its excellent balance of formability, weldability, and corrosion resistance. With a manganese content of 1.0–1.5%, this alloy offers improved strength over pure aluminum series like 1100, making it an ideal choice for both structural and decorative uses across multiple industries worldwide. Key Features: Aluminum Sheet 3003 stands out due to its outstanding mechanical properties, including tensile strength ranging from 22,000 to 30,000 psi depending on temper condition (O, H12, H14, H16, H18, etc.), yield strength up to 24,000 psi, and elongation percentages between 4% and 25%. The material is non-magnetic, has a smooth semi-gloss finish, and exhibits high workability—ideal for shearing, drilling, bending, and welding without cracking or warping. It also maintains good performance in humid environments, making it suitable for marine, refrigeration, and outdoor architectural applications. Detailed Description: Manufactured under ASTM B209 and ASME SB209 standards, Aluminum Sheet 3003 is available in thicknesses from 0.2 mm to 7 mm, widths from 100 mm to 2,200 mm, and lengths up to 6,000 mm, offering flexibility for custom fabrication needs. The alloy complies with international equivalents such as DIN AlCuMg2, UNS A93003, and ISO AlCu4Mg, ensuring compatibility with global engineering specifications. Its chemical composition includes controlled levels of silicon (max 0.6%), iron (max 0.7%), copper (0.05–0.20%), zinc (max 0.1%),
Titanium (max 0.15%), and trace elements—all contributing to enhanced durability and consistent quality. Whether used in power battery casings, food-grade containers, or lightweight vehicle components, this aluminum sheet delivers reliable performance under varied conditions. Applications: Ideal for manufacturing automotive heat shields, battery enclosures, kitchenware, signage, storage tanks, and industrial ductwork, Aluminum Sheet 3003 serves as a cost-effective alternative to stainless steel in many scenarios. Commonly found in construction, transportation, and energy sectors, it supports applications such as truck beds, trailer siding, antenna housings, and fireproof pressure vessels. Its ability to resist moisture and withstand moderate stress makes it particularly effective in coastal installations, HVAC systems, and chemical handling equipment where long-term exposure to corrosive elements is expected. User Feedback: Customers globally appreciate Aluminum Sheet 3003 for its ease of fabrication, minimal maintenance requirements, and long service life. Many users highlight its suitability for DIY projects involving metalworking, as well as professional applications requiring precision cutting and forming. Feedback often emphasizes the material’s consistent flatness, uniform grain structure, and ability to hold fine surface finishes—important factors when aesthetics matter alongside functionality. Frequently Asked Questions: What makes Aluminum Sheet 3003 different from other aluminum alloys? It contains manganese, which increases strength while maintaining excellent formability and corrosion resistance compared to pure aluminum grades like 1100. Is it suitable for food contact applications? Yes, it meets food-safe standards and is commonly used in cookware, food storage containers, and beverage cans due to its inert nature and smooth finish. Can it be welded easily? Absolutely—it is highly weldable using standard techniques such as TIG, MIG, or arc welding, especially in the H14 temper condition. How does it perform in harsh weather? Its natural oxide layer provides strong protection against rust and environmental degradation, making it ideal for outdoor structures like signage, railings, and solar panel frames. Why choose this grade over stainless steel? It offers comparable corrosion resistance at a significantly lower weight and cost, with better machinability and less tool wear during fabrication.
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