PPGI Corrugated Roofing Sheets | Zinc-Aluminum Coated, JIS G3322, 1000mm Width
PPGI Corrugated Roofing Sheets are engineered with a zinc-aluminum alloy coating (55% Al, 43.4% Zn, 1.6% Si) for unmatched corrosion resistance and longevity in harsh environments. Compliant with JIS G3322 standards and available in a 1000mm standard width, these sheets are ideal for industrial, agricultural, and coastal applications. The corrugated design enhances structural strength while reducing installation time and material waste.
Key Benefits:
- Superior Corrosion Resistance: 3,000+ hours salt spray resistance (JIS Z2371), outperforming traditional galvanized coatings.
- Heat Reflectivity: High aluminum content reflects 80% of solar radiation, reducing cooling costs.
- JIS G3322 Compliance: Certified for SGH340, SGH400, and SGH440 grades, trusted in Japanese and Asian markets.
- Wide Format Efficiency: 1000mm width minimizes seams for large-scale roofing projects.
- Eco-Friendly: Halogen-free coatings, 85% recycled steel content, and REACH-compliant production.
- Cost Savings: 20% lighter than galvanized steel, lowering transportation and handling costs.
2. Technical Specifications
| Parameter | Details |
| Base Material | Low-Carbon Steel (C ≤0.12%, Mn ≤0.60%, Si ≤0.05%, P ≤0.03%, S ≤0.03%) |
| Coating Type | Zinc-Aluminum Alloy (55% Al, 43.4% Zn, 1.6% Si) + Polyester Topcoat (20–30µm) |
| Grades | JIS G3322 (SGH340, SGH400, SGH440), ASTM A792 (AZ55), EN 10346 (DX51D+AZ) |
| Thickness Range | 0.4mm–1.2mm (±0.03mm tolerance) |
| Corrugation Profiles | Trapezoidal (30–50mm height), V-Rib, or Custom (pitch: 80–200mm) |
| Mechanical Properties | Tensile Strength: 340–550 MPa, Yield Strength: 340–440 MPa, Elongation: 12–20% |
| Surface Properties | Gloss: 10–60 GU, roughness Ra ≤0.8µm, pencil hardness ≥1H |
| Certifications | JIS G3322, ISO 1461, TUV Rheinland, RoHS, JIS Z2371, LEED |
| Key Applications | Chemical plant roofing, coastal warehouses, agricultural greenhouses, and solar farms |
3. Advantages of Importing Our PPGI Roofing Sheets
Competitive Edge:
- Price Leadership: 25–35% cheaper than Japanese/Korean suppliers with identical JIS G3322 certification.
- Fast Delivery: 12–15 days lead time for 20-ton orders, including custom corrugation profiles.
- Quality Assurance: Third-party tested for coating adhesion (JIS K5600), UV resistance (ΔE ≤4 after 10,000 hours), and bendability (0T–1T).
- Custom Solutions: Pre-cut lengths (2–12m), fire-retardant coatings (Class A), or anti-bacterial finishes.
- Sustainable Logistics: Recyclable VCI film + wooden pallets for海运 corrosion protection.
- Technical Support: Free thermal expansion reports and wind uplift calculations for engineers.
4. Industrial & Agricultural Applications
| Industry | Use Cases |
| Chemical Industry | Acid-resistant roofing for fertilizer plants, pesticide storage facilities. |
| Coastal Construction | Salt-resistant roofing for ports, shipyards, and seaside resorts. |
| Agriculture | High-durability greenhouse roofs, livestock barns, and grain drying sheds. |
| Renewable Energy | Solar panel mounting structures, wind turbine maintenance shelters. |
| Logistics | Warehouse roofing, cold storage units, and distribution center cladding. |
| Mining | Equipment shelters, ore processing plant roofs. |
| Public Infrastructure | Airport hangars, highway rest stop roofs, and flood defense structures. |
FAQ
1. Who are we?
Our headquarters is located in Anhui, China. Since 2010, we have sold to the domestic market (30.00%), South Asia (10.00%), South America (10.00%), North America (10.00%), Southeast Asia (10.00%), and Africa (5.00%) , Northern Europe (5.00%), Central America (5.00%), Middle East (5.00%), Western Europe (3.00%), Oceania (3.00%), Southern Europe (2.00%), East Asia (1.00%), Eastern Europe (1.00%) . There are about 11-50 people in total in our factory.
2. How do we ensure quality?
There are always pre-production samples before mass production;
Always conduct final inspection before shipment;
3. What can you buy from us?
PPGI Steel Sheet, stainless steel pipe, stainless steel coil, stainless steel strip, wear-resistant plate, galvanized steel plate
4. Why should you buy from us instead of other suppliers?
The company introduces advanced technology and equipment, and its products are exported to Western countries such as the United Kingdom and the United States. It has strong technical force and experienced technical and management personnel.
5. What services can we provide?
Accepted delivery terms: FOB, CFR, CIF, EXW;
Accepted payment currencies: USD;
Accepted payment methods: T/T, L/C, cash;
Languages spoken: English, Chinese
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JIS G3322 PPGI Corrugated Roofing Sheet 1000mm Width Pre Painted Galvanized Sheet Plate Images
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