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3003 aluminum coil belongs to the 3000 series Al-Mn alloy family. It offers better strength than 1000 series aluminum while maintaining excellent corrosion resistance, weldability, and formability.
The alloy performs reliably in slitting, roll forming, and stamping operations, making it suitable for continuous processing lines. It is widely used in insulation, heat transfer, architectural, and industrial applications where durability and fabrication performance are important.
The 3003 aluminum coil is a popular rust-proof Al-Mn alloy metal roll engineered for applications requiring superior corrosion resistance, high ductility, and excellent workability. Formulated with manganese as its main alloying element, 3003 aluminum offers roughly 20% higher mechanical strength than 1100 series pure aluminum while retaining high elongation and cold-forming capabilities.
Compared to heat-treatable structural alloys, 3003 aluminum coil delivers outstanding atmospheric corrosion resistance, superior weldability via standard TIG/MIG techniques, and exceptional deep-drawing performance. It is widely specified for thermal pipe insulation jacketing, roofing sheets, kitchen equipment, and continuous roll-forming lines where material longevity and forming flexibility are essential.
For international metal distributors, insulation contractors, and OEM component fabricators, our manufacturing facility guarantees precise gauge tolerances, smooth surface finishes, and competitive factory-direct wholesale pricing. All raw metal coils strictly conform to international quality standards such as ASTM B209 specifications.
These versatile anti-rust metal coils are widely utilized across building construction, HVAC insulation, automotive, and food packaging sectors. Typical applications include:
We supply 3003 aluminum coil products in a comprehensive selection of custom thicknesses, precision slit narrow widths, tempers (such as Soft O, H14, H18, H24), and surface protective options tailored to your automated processing equipment.
Available surface finishes include standard mill finish, stucco embossed pattern, stucco corrugated finish, color-coated prepainted finish, paper interleaving, and protective PE/PVC laser film application to safeguard the metal during transit and shearing.
Our experienced export logistics team ensures prompt lead times, seaworthy wooden pallet or eye-to-sky packaging, and authentic Mill Test Certificates (MTC) accompanying every shipment for total material traceability.
If you require complementary aluminum alloy grades or custom slitting services, explore our full range of Aluminum Coil Products or Contact Us directly for an immediate custom quote from our sales engineers!
Our materials support a wide range of construction and infrastructure projects
3003 aluminum coil offers excellent formability and cost-effectiveness for general industrial and architectural applications, while 5052 provides higher strength and better corrosion resistance for more demanding environments. The appropriate alloy should be selected according to the application requirements.
Yes. 3003 aluminum coil has excellent forming performance and is widely used for roll forming, roofing panels, insulation jacketing, and other continuous fabrication processes.
Yes. 3003 aluminum coil has good weldability and can be welded using suitable aluminum welding methods. The appropriate welding process should be selected according to the fabrication requirements.
It offers excellent resistance to seawater corrosion and maintains strength in humid and salt-rich conditions.
No. Strength is achieved through strain hardening rather than heat treatment.
Yes. It provides excellent weldability for structural fabrication.
Yes, it is commonly applied in tanks and pressure equipment.
Yes. It provides higher strength compared with most non-heat-treated aluminum alloys.
Yes. Thickness, width and temper can be adjusted based on project demand.
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