Aoguan Thin Steel Group specializes in the production and sales of color-coated steel coils (PPGI and PPGL), focusing on integrated manufacturing and direct sales. As Wholesale Pre-Painted Galvanized Steel Coil With High Corrosion Resistance Manufacturers
and China Pre-Painted Galvanized Steel Coil With High Corrosion Resistance Factory, we serve markets in Southeast Asia, Africa, the Middle East, and South America. With headquarters in Chuan Sha, Shanghai, and factories in Zhejiang, Jiangsu, and Anhui, we are committed to delivering high-quality products to clients worldwide.
Our color-coated steel coils offer stunning hues and exceptional visual effects, creating endless market opportunities and potential for growth. With our commitment to quality and innovation, success is within reach, and we look forward to collaborating with partners from all sectors to build a brighter future together!
Technical Specifications
| Property | Details |
| Base Metal | Hot-Dip Galvanized Steel (GI) |
| Standard | JIS G3302, ASTM A653, EN10142 |
| Grade | DX51D+Z, DX52D+Z, DX53D+Z |
| Thickness Range | 0.20mm - 1.2mm |
| Width Range | 600mm - 1250mm |
| Zinc Coating Weight | 80g/m虏 - 275g/m虏 (Z80 - Z275) |
| Top Coat Type | High Durability Polyester (HDP) or PVDF |
| Top Coat Thickness | 25碌m - 35碌m |
| Back Coat Type | Epoxy with added corrosion inhibitors, 5碌m - 10碌m |
| Coil ID | 508mm / 610mm |
| Coil Weight | 3 - 8 Metric Tons |
Applications
This high-corrosion resistance coil is specified for building projects located in aggressive environments or for critical structural components.
- Coastal Architecture: Ideal for buildings near the sea, where salt spray can rapidly corrode standard steel products.
- Industrial Plants and Chemical Facilities: Used for roofing, siding, and structural panels in environments with chemical fumes, high humidity, or high temperatures.
- Agricultural Warehouses: Perfect for storage buildings exposed to ammonia, manure gases, and other corrosive agricultural chemicals.
- Infrastructure Projects: Suitable for bridges, sound barriers, and highway components that require long-term durability.
- Commercial and Public Buildings: A reliable choice for shopping centers, schools, and hospitals in urban areas with high pollution levels.
Key Advantages
- Exceptional Corrosion Resistance: The combination of a high-zinc coating (up to Z275) and a thick, high-performance topcoat provides an unrivaled barrier, effectively preventing rust and degradation even in C5 (very high corrosivity) environments.
- Extended Service Life: This product is designed to significantly outlast standard PPGI, reducing the frequency of building maintenance and replacement cycles.
- Proven Coating Systems: Utilizes industry-proven HDP and PVDF coatings known for their ability to withstand severe UV radiation, chemical attack, and physical abrasion.
- Superior Adhesion and Formability: The high-quality coating maintains excellent adhesion during complex profiling, ensuring no cracking or peeling occurs at the edges.
- Reduced Maintenance Costs: The superior durability translates to less frequent repainting, cleaning, and repairs, delivering significant cost savings over the building's lifespan.
Payment & Shipping
- Payment Terms: 30% T/T in advance + 70% T/T against B/L copy, or Irrevocable L/C at sight.
- Trade Terms: FOB, CFR, and CIF.
- Packaging: Standard sea-worthy export packaging with enhanced anti-rust protection, including VCI (Vapor Corrosion Inhibitor) paper for export orders.
- Shipping: Delivered in 20-foot or 40-foot containers. Typical lead time is 35-50 days due to the specialized coating process.
Frequently Asked Questions
- Q: What is the best coating for a coastal environment?
- A: For coastal areas with high salt exposure, we recommend our PVDF coating system with a high zinc coating weight (e.g., Z275). This combination provides the maximum resistance to corrosion and UV degradation.
- Q: How does the zinc coating weight affect corrosion resistance?
- A: A higher zinc coating weight provides a thicker sacrificial layer of protection. In aggressive environments, a coating weight of Z180 or Z275 is recommended to significantly delay the onset of red rust.
- Q: Can you supply this with a material test certificate?
- A: Yes. All our high-corrosion resistance coils are supplied with an EN 10204 Type 3.1 test certificate, confirming the material's chemical and mechanical properties.
