Hot-Dip Galvanized Steel Sheet

High-Quality Galvanized, Aluzinc, and Prepainted Steel Solutions for Global Construction and Manufacturing Industries

Explore premium metal solutions engineered for durability, aesthetics, and environmental compliance across diverse industrial applications. Our range includes hot-dip Galvanized Steel sheets, Aluzinc and Galvalume Steel, prepainted steel coils, Aluminum Products, and Stainless Steel—each designed to meet international standards such as ASTM A792, EN 10346, JIS G 3302, and ISO 1461. These materials are ideal for architects, engineers, and manufacturers seeking long-lasting performance in demanding environments.

Key Features:

• Dense zinc-iron alloy coating with superior corrosion resistance
• Aluminum-zinc-silicon plating offering enhanced weatherability
• Environmentally friendly production processes aligned with RoHS directives
• Excellent formability, surface finish, and mechanical strength
• Compliance with global quality benchmarks including FDA and ASTM specifications

Hot-dip galvanized steel sheets undergo a metallurgical reaction at approximately 450–465°C, forming a crystalline zinc layer that bonds tightly to the base carbon steel. This results in exceptional protection against rust, making it a preferred choice for outdoor infrastructure components like roofing systems, structural supports, and automotive body panels. Unlike electro-galvanized alternatives, this method ensures robust adhesion even after bending or forming operations—a critical factor in sheet metal fabrication. The resulting product complies with EN ISO 1461 and delivers reliable electrochemical protection over extended periods.

Aluzinc and Galvalume steel represent advanced metallurgical innovations using an aluminum-zinc-silicon alloy coating applied via continuous hot-dip technology. These materials outperform traditional galvanized steel in salt spray tests, often exceeding 1,000 hours without red rust formation. Their dual-phase plating solution ensures uniform thickness and excellent cohesion between substrate and coating. With proven performance under harsh climates, they are widely adopted in building envelopes, curtain wall systems, and appliance backplates where both cost-efficiency and long-term resilience matter.

Prepainted steel takes aesthetic appeal to the next level by applying high-performance organic coatings such as polyester or fluoropolymer resins through roller coating techniques. Following JIS G 3302 standards, these finishes offer outstanding hardness, impact resistance, and color consistency—critical for architectural cladding, HVAC units, and white goods. Whether used in commercial facades or residential roofing, prepainted steel combines visual elegance with enduring protection from UV exposure, moisture, and temperature fluctuations.

Aluminum Coil, pipe, and plate products adhere strictly to GB/T 3190 compositional guidelines, allowing precise control over alloy elements like copper, magnesium, and silicon. Cold rolling achieves various temper states (H14, H24, etc.), while age-hardening treatments enhance tensile strength for aerospace-grade applications. In construction, anodized aluminum surfaces provide not only corrosion resistance but also a modern, sleek appearance suitable for high-rise building exteriors and interior design elements.

Stainless steel, based on Fe-Cr-Ni alloys, develops a passive chromium oxide film that prevents oxidation and chemical degradation. Produced per ASTM A240, it meets food-grade safety requirements set by the U.S. Food and Drug Administration (FDA). Its thermal stability across extreme temperatures—from cryogenic to elevated conditions—makes it indispensable for chemical processing vessels, pharmaceutical equipment, and sanitary piping systems where contamination risks must be minimized.

These materials have been trusted globally in sectors including civil engineering, automotive manufacturing, household appliances, and renewable energy installations. From durable roof panels in coastal regions to corrosion-resistant enclosures in industrial facilities, our steel and aluminum solutions deliver consistent value across decades of service life.

Customers appreciate the balance of performance, sustainability, and design flexibility offered by our products. Many note how prepainted steel reduces maintenance costs while maintaining vibrant colors over time, and how Aluzinc’s lightweight nature lowers transportation expenses without compromising structural integrity. Engineers frequently cite the material's compatibility with automated welding and cutting processes, enhancing productivity in large-scale projects.

Common inquiries include questions about coating thickness tolerances, recyclability rates, and compatibility with other metals in multi-material assemblies. All products are fully recyclable, contributing to circular economy goals. Coating thicknesses typically range from 30 to 180 g/m² depending on application needs, and most materials can be safely joined using standard fastening methods without galvanic corrosion concerns when properly isolated.

Product Categories : Steel Products > Galvanized Steel