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Galvalume Steel Coil
Galvalume steel coil is a carbon steel sheet coated with a 55% Aluminum, 43.5% Zinc, and 1.5% Silicon alloy, offering superior corrosion resistance (2–4 times better than galvanized). It is ideal for, and commonly used in, roofing, siding, and structural components for its durability (40+ year lifespan), heat reflectivity, and self-healing properties.
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Our aluzinc steel is widely used in various industries around the world, thanks to its excellent comprehensive performance, providing reliable material support for different application scenarios:
Construction Industry: Roofing, wall cladding, profiling sheets, roof tiles, ceilings, pre-engineered buildings, light steel structures, guardrails, partitions and exterior decorations. Its excellent weather resistance and corrosion resistance make it suitable for both residential and commercial buildings, especially in coastal and high-humidity areas.
General Industry: Ventilation pipes, electrical equipment enclosures, HVAC systems, solar panel frames, wind turbines, transmission towers, greenhouse pipes and grain silos. It can withstand harsh industrial environments and ensure the stable operation of equipment and structures.
Automotive Industry: Exhaust systems, fuel tanks, body parts, chassis components and trim parts. Its excellent heat resistance and corrosion resistance meet the strict requirements of automotive manufacturing.
Home Appliances Industry: Shells and components of washing machines, tumble dryers, refrigerators, microwave ovens, air conditioners and water heaters. It provides long-term corrosion protection and enhances the service life of home appliances.
Agriculture Industry: Agricultural storage buildings, barns, livestock farms and greenhouses, effectively resisting moisture, chemicals and other environmental erosion.
PPGI: The substrate is typically galvanized steel, which is coated with zinc for corrosion resistance.
PPGL: The substrate is galvalume steel, consisting of zinc and aluminum for improved corrosion resistance.
●Both PPGI and PPGL undergo a coating process where the steel coil is cleaned, treated, primed if necessary, and then coated with paint or resin.
●The coating layers include primer, topcoat, and sometimes a backcoat, depending on the application requirements.
●Various resins or paints are used for the topcoat, providing different colors, textures, and functionalities (such as UV resistance or heat reflectivity).
Corrosion Resistance:
The key feature of Galvalume steel coil is its outstanding corrosion resistance. The combination of zinc, aluminum, and silicon in the coating forms a protective barrier that shields the steel substrate from rust and corrosion, even in harsh conditions such as high humidity, salt spray, and industrial pollutants.
Longevity and Durability:
Galvalume steel coil is renowned for its longevity and durability. The alloy coating not only enhances corrosion resistance but also enhances the overall lifespan of the steel substrate. This results in reduced maintenance requirements and prolonged service life, making Galvalume steel coil a cost-effective choice for various applications.
Heat Reflectivity:
Another notable characteristic of Galvalume steel coil is its high heat reflectivity. The aluminum in the coating contributes to the material's ability to reflect sunlight and heat, which helps maintain cooler temperatures in buildings and reduces energy consumption for cooling purposes.
Applications:
Galvalume steel coil finds extensive applications in construction, automotive, and manufacturing industries. It is commonly used in roofing and siding materials, automotive components, appliances, and structural components due to its corrosion resistance, durability, and aesthetic appeal.
Environmental Sustainability:
Galvalume steel coil is environmentally friendly due to its high recyclability and energy-efficient manufacturing process. The use of recycled materials in the coating and the reduction of energy consumption during production contribute to its eco-friendly profile, making it a preferred choice for sustainable building practices.
Conclusion:
In conclusion, Galvalume steel coil stands as a versatile and durable material that offers superior corrosion resistance, longevity, and environmental sustainability. Its unique composition and manufacturing process make it an ideal choice for a wide range of applications, contributing to the advancement of various industries while promoting sustainable practices.
Vertical or Horizontal Packing: Depending on your unloading capabilities.
Seaworthy Packaging: Waterproof paper + Plastic film + Steel sheet protection + Edge protectors + Multi-strap binding.
Fast Lead Times: Strategic proximity to major ports ensures shipping within 15–30 days.
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional galvalume coil manufacturers and suppliers in China, specialized in providing high quality products with low price. We warmly welcome you to wholesale cheap galvalume coil in stock here and get free sample from our factory. Also, customized service is available.
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