3003 Anti-Rust Aluminum Sheet & Plate — Building & Roofing Supply

  • Manufacturing Standard: Fully certified to elite global standards, including ASTM B209, EN 485, and GB/T 3880.
  • Alloy & Temper: Premium 3003 Manganese-Aluminum Alloy; available in O, H12, H14, H16, H18, H24, H26, etc.
  • Core Strength: Ultimate atmospheric anti-rust capability, 20% higher structural strength than 1100 series, and flawless elongation for roll-forming.
  • Minimum Order Quantity (MOQ): 1 – 3 Tons (Flexible fulfillment based on rolling mill schedules).
  • Pricing Model: Transparent factory-direct wholesale pricing indexed directly against the live London Metal Exchange (LME).
  • Value-Added Processing: Custom length cutting, protective paper interleaving, precision slitting, and single/double-sided heavy PE film application.

Looking for a trustworthy manufacturing factory for bulk 3003 Aluminum Sheet? Shandong Gangpu Metal Products Co., Ltd. delivers high-end 3003 anti-rust aluminum sheet and plate solutions specifically engineered to withstand aggressive environmental moisture and high-volume commercial architectural rolling compliant with global ASTM B209 standards.

Engineering & Material Insights: The 3003 Manganese Matrix

The 3003 aluminum alloy represents the absolute cornerstone of commercial anti-rust metallurgy. Belonging to the 3000-series Al-Mn (Aluminum-Manganese) family, its specialized engineering characteristics come from the precise addition of approximately 1.0% to 1.5% Manganese. This strategic chemical inclusion creates a uniform solid-solution strengthening network within the matrix. As a result, 3003 aluminum plate delivers a significant 20% increase in mechanical tensile strength compared to the 1100 pure aluminum series while beautifully maintaining the exceptional ductility and ease of manipulation required for intricate industrial bending.

For construction and mechanical insulation managers, the H14 and H24 tempers are highly favored. These strain-hardened states ensure that the sheets maintain excellent rigidity when shaped into long-span standing seam roofing panels or heavy-duty cladding frameworks. The material naturally develops a stubborn, self-healing surface oxide barrier that isolates raw metal from atmospheric humidity, acid rain, and industrial chemical fumes, making it the most cost-effective and low-maintenance alloy for external infrastructure.

3003 Aluminum Sheet Technical Specifications

Technical Parameters Specifications & Capabilities
Alloy Grade 3003 / AlMnCu / AA3003
Material Type Anti-Rust Commercial Sheet, Cladding Plate, and Roll-Forming Stock
Thickness Range 0.3mm – 150mm (Thin gauge sheet to heavy structural industrial plate)
Standard Widths 1000mm, 1220mm, 1250mm, 1500mm, or tailored custom mill slitting
Standard Lengths 2000mm, 2440mm, 3000mm, or decoiled exact cut-to-length sheets
Available Tempers O, H12, H14, H16, H18, H22, H24, H26, H28
Surface Protection Paper interleaved, or single/double-sided clear or Blue PE protective film

Chemical Composition (%)

Al Mn Cu Fe Si Zn
Bal. 1.0 – 1.5 0.05 – 0.20 ≤ 0.70 ≤ 0.60 ≤ 0.10

Key Features of 3003 Aluminum Sheet Products

  • Superb Corrosion & Weather Resistance: Highly immune to moisture-induced decay and chemical weathering, ensuring stable long-term performance in outdoor and maritime industrial zones.
  • Optimized Strength Upgrade: The manganese lattice integration provides excellent structural durability, allowing thinner gauges to handle identical wind and physical loads compared to 1000-series pure lines.
  • Flawless Roll-Forming & Welding: Highly responsive to conventional brake presses and roll-forming equipment. Offers robust weldability via standard TIG/MIG procedures without brittle zones.

Major Industry Applications

  • Building & Roofing Architecture: Commercial standing-seam roofing panels, exterior siding cladding, acoustic ceiling tiles, and gutter systems.
  • Industrial Thermal Insulation: Protective insulation jacketing shields for large chemical facility piping networks, power plants, and oil storage tanks.
  • Heavy-Duty Transport Shells: Light cargo truck box walls, liquid fuel tank internal baffles, and transport vehicle interior paneling.

Export Packaging & Global Delivery

Every commercial grade 3003 aluminum plate batch prepared by Shandong Gangpu Metal Products Co., Ltd. strictly adheres to reinforced maritime export guidelines. Plates are carefully layered with moisture-proof interleaving paper, fully wrapped in heavy protective waterproof kraft paper, mounted onto fumigated reinforced wooden pallets, and securely tensioned using industrial steel strapping.

Our logistics division executes customized container-bracing layouts with structural timber to achieve a complete zero-movement state during ocean transport. Full Material Test Reports (MTR/MTC) validating precise batch chemical analysis are provided with shipping documents. Third-party testing (SGS, BV) is fully supported.

Frequently Asked Questions About 3003 Aluminum Sheet

Q1: Why is 3003 aluminum sheet preferred for large-scale roofing and cladding over 1100 series?
A1: While the 1100 series is an excellent pure aluminum variant, it is often too soft for sweeping exterior architectural installations exposed to heavy wind shearing. The 3003 aluminum sheet integrates manganese, boosting material mechanical strength by nearly 20%. This added stiffness allows roofing panels to withstand structural stresses without buckling, while retaining the elite atmospheric corrosion resistance of industrial aluminum.

Q2: Can your factory support custom width slitting and custom surface coating for 3003 stock?
A2: Yes, absolutely. Shandong Gangpu Metal operates heavy-duty precision decoiling, slitting, and level cutting lines. We can process 3003 wide coils into custom width strips or specific cut-to-length sheets according to your workshop drawings. Additionally, we provide protective PE film lamination or coordinate pre-painted PVDF/PE coatings to guarantee flawless architectural surface aesthetics.

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