Brand: Hannstar
Standard: Aisi, Astm, Bs, Din, Gb, Jis
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
Packaging: Sea-worthy Package
Productivity: 300000 tons
Transportation: Ocean,Land
Place of Origin: China
Supply Ability: 10000 tons per month
Certificate: ISO9001
HS Code: 72104900
Port: Tianjin,Qingdao
Construction-Grade Galvanized Coil & Premium Metal Solutions for Modern Infrastructure
Within the towering landscape of contemporary architecture, where safety and durability define structural integrity, our range of high-performance metal products stands as a cornerstone of innovation. From foundational frameworks to aesthetic finishes, we deliver a comprehensive suite of materials engineered for resilience, sustainability, and visual appeal across global construction projects. At the heart of this portfolio lies Construction Grade Galvanized Coil, a cost-effective yet robust solution that has become the preferred choice for builders seeking strength without compromise.
Our product line includes Galvalume Steel, Aluminum Coil/Pipe/Plate, Stainless Steel, Aluzinc Steel, and Prepainted Steel, each tailored to meet distinct performance needs—from corrosion resistance in coastal zones to lightweight design in green buildings. These materials are not just components; they are strategic assets that ensure long-term value, reduce maintenance costs, and enhance architectural longevity.
Key features of our offerings include superior zinc adhesion (8–275 μm), self-healing properties upon damage, exceptional load-bearing capacity exceeding 100,000 tons, and environmental efficiency through recyclability up to 95%. The advanced hot-dip galvanizing process ensures uniform protection, while nano-scale coatings on Aluzinc and Galvalume steel provide extended service life—up to 30 years without rust in aggressive environments like chemical plants or marine facilities.
The Construction Grade Galvanized Coil serves as the backbone of infrastructure projects worldwide, offering an optimal balance between affordability and structural reliability. With only 40% of the cost of stainless steel, it delivers comparable tensile strength and durability, making it ideal for high-rise buildings, bridges, and industrial structures. Unlike conventional options, its sacrificial zinc layer automatically repairs minor scratches, ensuring continuous defense against moisture, wind, and atmospheric pollutants.
In contrast, Galvalume Steel combines aluminum, zinc, and silicon in a precise ratio, then undergoes high-temperature tempering to form a protective barrier resistant to salt spray, acid rain, and UV exposure. This makes it particularly suitable for harsh climates and demanding applications such as factory roofing, marine platforms, and utility poles. Meanwhile, Aluminum Coil and Plate offer a lightweight alternative—only one-third the weight of steel—that supports energy-efficient designs and reduces transportation emissions. Their recyclable nature aligns with modern sustainability goals, especially in curtain wall systems and ventilation ductwork.
For premium finishes and hygienic environments, Stainless Steel provides unmatched heat tolerance (up to 1200°C) and precision machining down to 0.001mm, making it perfect for luxury interiors, kitchen appliances, and bathroom fixtures. Its non-corrosive surface maintains brilliance over decades, fulfilling both functional and aesthetic expectations in commercial and residential spaces.
Aluzinc Steel introduces a mirror-like finish enhanced by a zinc-aluminum-magnesium alloy, which boosts anti-corrosion performance by 25% compared to standard Galvanized Steel. Its edge-sealing technology allows cut surfaces to regenerate protection independently—a critical advantage for facade cladding and architectural detailing in high-end developments.
Finally, Prepainted Steel brings color versatility to building exteriors with over 100 customizable hues and a triple-coat, triple-bake curing method that preserves vibrancy for up to two decades. Whether used in shopping centers, schools, or public infrastructure, it transforms utilitarian structures into visually striking landmarks, proving that durability and beauty can coexist seamlessly.
These six core materials work synergistically—from foundation to façade—to address every phase of a project’s lifecycle. They support sustainable development, minimize lifecycle costs, and elevate design possibilities globally. Whether you're planning a bridge in Scandinavia, a hospital in Southeast Asia, or a commercial complex in Latin America, our solutions offer proven performance backed by decades of engineering excellence.
Users consistently praise the ease of installation, reduced need for maintenance, and long-term cost savings. Many highlight how our metals have helped them exceed local building codes and achieve LEED certification, demonstrating their suitability for environmentally conscious construction practices.
Common inquiries often revolve around material compatibility, lifespan under extreme conditions, and customization options. Our products are tested under ISO standards and designed for diverse climates—from arid deserts to humid tropical zones. Custom colors, thicknesses, and surface treatments are available to match specific project requirements, ensuring flexibility without sacrificing quality.
Choose from a family of trusted metals that together form a complete ecosystem of structural support, corrosion protection, and architectural expression. With us, you’re not just selecting materials—you’re investing in the future of safe, smart, and beautiful built environments worldwide.
Product Categories : Steel Products > Galvanized Steel