5052 anodized aluminum sheet belongs to Al-Mg alloy, and its chemical composition complies with GB/T 3190-2020 standard, with magnesium content of 2.2%-2.8%, chromium content of 0.15%-0.35%, and impurities strictly controlled within Fe≤0.4%, Si≤0.25%. This alloy ratio gives it mechanical properties of tensile strength of 210-270MPa (H32 state) and yield strength of 160MPa, while the cold working hardening effect is significant (hardness increased by 30%), and the conductivity reaches 30% IACS. After anodizing, a 5-20μm oxide film is formed on the surface, and the thickness of the hard anodized film can reach 60-200μm, and the surface hardness is increased to 200-400HV, close to the Mohs hardness of sapphire 8-9.
5052 anodized aluminum sheet cover thickness 0.3-5mm, width 1000-2000mm, and length can be customized to meet the needs of industrial manufacturing, architectural decoration and other fields. The performance of the oxide film meets the GB/T 8013.3-2018 standard, and the salt spray test (NSS) can reach 1000 hours without corrosion, and the weather resistance test (QUV) has no obvious discoloration for 2000 hours.
The core advantages of the 5052 anodized aluminum sheet product
- Triple protection system builds excellent performance
– Physical protection: The honeycomb microporous structure (pore size 10-20nm) of the oxide film forms a natural barrier, effectively isolating oxygen and moisture, and the corrosion rate in the marine salt spray environment is only 1/3 of that of ordinary aluminum sheets.
– Chemical protection: The synergistic effect of magnesium and chromium in the alloy enables the material to operate stably in an acid-base environment of pH 4-10, and its resistance to stress corrosion cracking is better than that of similar alloys.
– Functional protection: The oxide film insulation reaches 2000V breakdown voltage, and the thermal conductivity is 138W/(m・K), which meets the heat dissipation and electromagnetic shielding requirements of electronic equipment.
- Industrial-grade processing adaptability
– Cold forming ability: The elongation is 12%-20% under H32 state, and a 90° bend with R=1.5t can be achieved without cracks, which is suitable for the manufacture of complex structural parts such as automotive covers and electronic product shells.
– Welding compatibility: ER5356 welding wire is used for welding, and the weld strength reaches 95% of the parent material, and the airtightness passes the helium mass spectrometer leak detection (leakage rate ≤1×10⁻⁹mbar・L/s).
– Surface treatment diversity: Supports electrolytic coloring (silver, champagne, bronze), electrophoretic coating (gloss 60°±5°) and wood grain transfer (simulation degree ≥95%), meeting the aesthetic needs of building curtain walls, furniture decoration, etc.
- Value creation throughout the life cycle
– Lightweight benefits: density 2.68g/cm³, 60% lighter than steel, 10%-15% lighter per vehicle in automobile manufacturing, and 8%-10% lower fuel consumption.
– Environmentally friendly and sustainable: The oxidation process uses a chromium-free passivation process, with a wastewater reuse rate of 90%, and 100% recyclable materials, which complies with the EU RoHS directive.
– Long life cycle: The standard oxide film (3μm) does not change color for 20 years of indoor use, and the thickened oxide film (10μm) is weather-resistant for more than 15 years outdoors, reducing maintenance costs.
Haomei Aluminum’s full-chain quality assurance
– Intelligent production system
The factory introduced Germany’s SMS cold rolling unit (rolling accuracy ±5μm) and Japan’s Yaskawa anodizing line (film thickness uniformity ±2%) to achieve digital control of the entire process from ingot casting to finished products. The key process is equipped with an online spectrometer (detection accuracy ±0.01%) and a laser thickness gauge (resolution ±1μm) to ensure the consistency of each batch of products.
– Strict quality control system
Raw material traceability: Imported grade A aluminum ingots are used, and each batch is accompanied by an SGS component analysis report to ensure that the magnesium content fluctuation is ≤0.05%.
Process control: Implement APQP advance quality planning, use FMEA failure mode analysis to identify potential risks, and the process capability index CPK≥1.67.
Finished product verification: Each roll of product undergoes 12 tests such as hardness (HBW), cupping (Erichsen value), and salt spray (NSS), and the shipment qualification rate is ≥99.9%.
– Customized service capabilities
Technical collaboration: Provide full-cycle technical support from material selection, process optimization to failure analysis. We have developed a battery pack shell board that is resistant to high temperatures of 150℃ for a new energy vehicle customer and passed the UL94 V-0 flame retardant certification.
Quick response: 500 tons of inventory are always available, urgent orders are delivered within 72 hours, and small batch and multi-specification customization is supported (minimum order quantity 500kg).
Application fields and typical cases of 5052 anodized aluminum sheet
In the electronics field, we provide an international brand laptop with an anodized aluminum plate with a thickness of 0.8mm, with a surface hardness of 300HV and no deformation in the drop test (1.2m height), which helped the product win the Red Dot Design Award. In the field of architecture, a landmark commercial complex uses 5052 anodized aluminum curtain wall panels (3mm thickness, 10μm oxide film), which have been verified by 5 years of use in coastal areas, and the surface has no fading and no corrosion. In the field of transportation, the interior panels of a high-speed rail carriage are treated with antibacterial anodizing (antibacterial rate ≥ 99.9%), and passed the EN45545-2 fireproof certification. The lightweight effect reduces the weight of the whole vehicle by 8%.
With its unique alloy design and surface treatment technology, 5052 anodized aluminum plate achieves a perfect balance in corrosion resistance, processability and functionality. With intelligent production, strict quality control and customized services as its core competitiveness, Haomei Aluminum continues to provide reliable material solutions for the high-end manufacturing field. Choosing Haomei Aluminum is not only choosing high-quality products, but also choosing the value guarantee of the entire chain from materials to applications.