Oxide Film Protection Mechanism: The dense Al₂O₃ oxide film (2-5μm thick) naturally forms on the surface of 5083 aluminum sheet, effectively blocking UV rays, salt spray, and acid and alkali corrosion. The measured corrosion rate in coastal areas is <0.01mm/year.
Environmental Adaptability: After passing a 500-hour salt spray test (ASTM B117 standard), no pitting or intergranular corrosion was observed, and the mechanical properties (tensile strength ≥ 210MPa) of 5083 aluminum sheet were retained at >95%.
Long-Term Stability: Under temperature cycling from -40°C to 80°C, the thermal expansion coefficient of 5083 aluminum sheet (23.6×10⁻⁶/°C) matches that of photovoltaic modules, preventing stress cracking caused by mount deformation.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
Henan BEBON Iron&Steel co.,ltd.
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