Corrugated Color Coated Steel Sheet
Corrugated Color Coated Steel Sheet is a premier building material renowned for its exceptional durability, weather resistance, and aesthetic versatility. Widely used in commercial, industrial, and residential construction, these sheets offer a robust and cost-effective solution for roofing, cladding, and structural applications. Our advanced manufacturing process bonds a high-quality color coating to a galvanized or Galvalume steel substrate, resulting in a product that stands up to harsh climatic conditions while maintaining its vibrant appearance for decades. For applications requiring superior corrosion protection, our PPGI Color Coated Roofing Sheet is the ideal choice. When enhanced longevity with a zinc-aluminum alloy coating is needed, consider our AZ150 Galvalume Color Steel Sheet. Our product range also includes specialized profiles like Trapezoidal Color Steel Roofing for high-strength structural needs and the elegant Matt Finish Color Steel Tile for modern architectural designs seeking a non-reflective, sophisticated look.
The core advantage of Corrugated Color Coated Steel Sheet lies in its multi-layered composition, which delivers unmatched performance. It starts with a robust steel base, which is then protected by a metallic coating—typically zinc (GI) or a zinc-aluminum alloy (Galvalume, such as AZ150). This layer acts as a sacrificial barrier against rust. Finally, a meticulously applied color coating, available in Polyester (PE), Silicon Modified Polyester (SMP), or Polyvinylidene Fluoride (PVDF) finishes, provides the final defense against UV rays, moisture, and chemical exposure while offering a wide palette of colors. The distinctive corrugated profile is not merely aesthetic; it significantly increases the sheet's load-bearing capacity and structural rigidity, allowing for wider spans and reduced need for supporting framework.
Key Specifications & Parameters
- Base Material: Cold-rolled steel, Commercial-grade steel
- Metallic Coating: Galvanized (GI), Galvalume (AZ150, AZ100)
- Color Coating: PE (Polyester), SMP (Silicone Modified Polyester), PVDF (Polyvinylidene Fluoride)
- Standard Thickness: 0.12mm to 1.2mm
- Effective Width: 600mm to 1250mm (customizable)
- Standard Length: Custom cut up to 12 meters
- Corrugation Profiles: Multiple available (e.g., Trapezoidal, Tile-effect, V-beam)
Technical Performance Data
| Property | Test Standard | Typical Value / Performance |
|---|---|---|
| Yield Strength | ASTM A653 | 280 MPa - 550 MPa |
| Tensile Strength | ASTM A653 | 350 MPa - 650 MPa |
| Metallic Coating Weight (GI) | ASTM A653 | Z275 (275 g/m²) and above |
| Color Coating Thickness | ASTM D7091 | PE: 20-25µm | SMP: 20-25µm | PVDF: >25µm |
| Salt Spray Resistance | ASTM B117 | >500 hours (red rust) |
| Color Fastness / Weathering | ASTM G154 / ISO 4892-2 | PE: >5 years | SMP: >10 years | PVDF: >20 years |
| Bending Tolerance | ASTM D522 | 1T-2T (No cracking or peeling) |
| Fire Rating | ASTM E84 | Class A (Non-combustible substrate) |
Available Color Options & Finishes
| Finish Type | Characteristics | Common Color Palette | Best For |
|---|---|---|---|
| Polyester (PE) | Good durability, excellent color variety, cost-effective. | Brick Red, Royal Blue, Snow White, Charcoal Grey, Forest Green. | Residential roofing, interior applications, general industrial use. |
| SMP (Silicone Modified Polyester) | Enhanced UV and chalk resistance, longer color retention. | Terracotta, Slate Grey, Olive Green, Cream, Blue. | Commercial buildings, warehouses, coastal areas. |
| PVDF (70% PVDF resin) | Premium weatherability, excellent gloss and color retention, chemical resistant. | Custom metallic colors, pastels, standard architectural hues. | High-end architectural projects, harsh industrial environments. |
| Matt / Textured Finish | Non-reflective surface, hides imperfections, modern aesthetic. | Anthracite, Basalt, Moss Green, Walnut Brown. | Contemporary homes, luxury villas, design-focused facades. |
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