Aluminum Coil is a versatile rolled metal product widely specified across industrial manufacturing, building construction, automotive production, HVAC systems, signage, and metal fabrication. Offering exceptional formability, high corrosion resistance, light weight, and superior thermal/electrical conductivity, aluminum coils are engineered for continuous high-speed stamping, deep drawing, roll forming, and custom slitting operations.

As a trusted direct factory supplier, XQJ Metal (xqjmetal.com) manufactures and supplies a comprehensive inventory of premium aluminum coils across 1000, 3000, 5000, and 6000 series alloys. Produced in strict compliance with global quality standards (ASTM B209, EN 485), our coils feature precise gauge control, clean defect-free surfaces, and custom slitting options to meet exact engineering specifications.

Popular Alloy Grades & Applications:

• 1050 & 1060 Aluminum Coil: High-purity aluminum (Al >= 99.5%) featuring outstanding ductility, high electrical conductivity, and excellent corrosion resistance. Essential for transformer windings, heat exchangers, reflector plates, and chemical equipment.

• 3003 & 3105 Aluminum Coil: Manganese-alloyed non-heat-treatable aluminum delivering ~20% higher mechanical strength than 1000 series while maintaining exceptional anti-rust performance. Widely specified for HVAC ducting, roofing sheets, gutter systems, cookware, and insulation jacketing.

• 5052 & 5754 Aluminum Coil: Marine-grade magnesium alloys praised for extraordinary resistance to saltwater corrosion, high fatigue strength, and good weldability. Ideal for marine structures, transport vehicle bodies, fuel tanks, and electronic enclosures. • 6061 Aluminum Coil: Heat-treatable structural alloy providing high tensile strength, good machinability, and structural stability. Used in heavy-duty machinery parts, automotive structural components, and precision stampings.

Technical Specifications & Parameters:

• Alloy Grades: 1050, 1060, 1100, 3003, 3105, 5052, 5754, 6061 • Temper Options: O (Soft Annealed), H12, H14, H18, H22, H24, H32, T6, T651

• Thickness Range: 0.2 mm – 8.0 mm (Custom Precision Tolerances)

• Width Range: 100 mm – 2000 mm (Precision Slitting to Custom Narrow Coils)

• Coil Inner Diameter (ID): 76 mm, 152 mm, 305 mm, 508 mm (Steel or Paper Core)

• Surface Finishes: Mill Finish, Color Coated (PVDF / PE), Stucco Embossed, Anodized, Mirror Polished, Protective PE Film

• Quality Standards: ASTM B209, EN 485, GB/T 3880

Frequently Asked Questions (FAQ):

Q: What is the main difference between aluminum coil and aluminum sheet?

A: Aluminum coil is supplied as a continuous wound strip on a core, designed for automated continuous feed production lines (such as roll forming or high-speed stamping). Aluminum sheet consists of pre-cut flat panels ready for individual manual or CNC fabrication.

Q: Can XQJ Metal provide custom narrow slitting and surface protective coating for aluminum coils? A: Yes, we operate precision slitting machinery that can slice coils into custom narrow widths starting from 100 mm, and we also provide surface processing like PVDF/PE color coating, stucco embossing, anodizing, and protective PE film application.

Q: Do you provide Mill Test Certificates (MTC) with aluminum coil orders? A: Yes, every XQJ Metal shipment includes official EN 10204 3.1 Mill Test Certificates detailing exact chemical composition, tensile strength, yield strength, and elongation test compliance.

Q: What is the MOQ and standard delivery lead time for wholesale aluminum coil orders?

A: Our standard MOQ is 1–3 metric tons depending on the alloy grade and thickness. Standard lead time for stock sizes is 7–10 business days, while custom slitted, anodized, or color-coated orders typically take 12–18 business days.