Skip to content 
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.
3003 aluminum coil combines corrosion resistance, formability, and improved strength.
Key benefits include:
• Higher strength than 1000 series aluminum
• Excellent corrosion resistance
• Good weldability
• Outstanding formability
• Suitable for continuous processing
3003 aluminum coil is widely used in applications requiring corrosion resistance, formability, and reliable processing performance.
Typical applications include:
• Insulation cladding
• Heat exchangers
• Roofing systems
• HVAC components
• Aluminum composite panels
• Architectural applications
• Industrial fabrication
We supply aluminum coils in various alloys, thicknesses, widths, tempers, and coil weights to meet different project requirements. Precision slitting, cut-to-length processing, protective film application, and custom packaging services are available according to customer specifications.
Available with mill finish, color-coated, embossed, brushed, or PVC film-protected surfaces for construction, transportation, industrial manufacturing, electrical equipment, and OEM applications.
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.
Get a fast, accurate quotation within 24 hours and secure reliable material supply for your next project.
Say something to start a live chat!
