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Help Center1-Year Warranty Pre-coated Corrugated Board 0.4mm Galvanized Steel Mill Test Report Included
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your trusted partner in high-quality steel products. Our 1-Year Warranty Pre-coated Corrugated Board 0.4mm Galvanized Steel is engineered to deliver outstanding durability and aesthetic appeal for a wide range of construction projects. Manufactured with precision and backed by our ISO9001-certified quality management system, this product offers reliable performance in roofing, wall cladding, and industrial applications. Each sheet comes with a Mill Test Report to guarantee material integrity, giving you complete confidence in your purchase.
Our pre-coated corrugated board combines the strength of galvanized steel with a factory-applied color coating, ensuring long-lasting protection against corrosion, UV radiation, and harsh weather conditions. The 0.4mm thickness provides an optimal balance between weight and structural rigidity, making it easy to handle and install while maintaining excellent load-bearing capacity. Whether you need a cost-effective solution for agricultural sheds, residential roofing, or commercial buildings, this product meets the highest standards of quality and performance.
Key Features & Technical Specifications
- Material: Premium galvanized steel with a zinc coating weight of 60-120 g/m² (optional) for superior corrosion resistance.
- Thickness: 0.4mm (±0.02mm tolerance) – ideal for lightweight yet strong roofing and cladding.
- Coating: Pre-coated with high-durability polyester (PE) or silicone-modified polyester (SMP) paint, available in a wide range of RAL colors.
- Profile: Classic corrugated design (e.g., 763/840/900 type) with excellent water drainage and wind resistance.
- Warranty: 1-year warranty against manufacturing defects, ensuring peace of mind.
- Mill Test Report Included: Every shipment is accompanied by a certified mill test certificate verifying mechanical properties and coating thickness.
- Customization: Length, width, color, and zinc coating weight can be tailored to your project requirements.
| Specification | Value |
|---|---|
| Base Steel Grade | DX51D+Z / SGCC (optional) |
| Zinc Coating Weight | 60-120 g/m² (customizable) |
| Paint Type | Polyester (PE) / SMP / PVDF (optional) |
| Color Range | RAL 3009, 5005, 6005, 7016, 9002, etc. |
| Effective Width | 750mm, 840mm, 900mm, 1000mm |
| Length | 1m to 12m (according to customer request) |
| Packing | Waterproof paper + steel strapping or wooden pallet |
Advantages & Customer Benefits
- Cost-Effective: Compared to traditional roofing materials, our pre-coated corrugated board offers a lower price without compromising quality, saving you up to 20% on material costs.
- Easy Installation: Lightweight sheets (approx. 3.14 kg/m² at 0.4mm thickness) reduce labor and transportation expenses. Simple overlapping design speeds up construction.
- Weather Resistance: The galvanized base and UV-resistant paint ensure the board withstands extreme temperatures, heavy rain, and snow loads. Suitable for diverse climates.
- Low Maintenance: The pre-coated finish resists chalking, fading, and rust, requiring only occasional cleaning to maintain its appearance for years.
- Environmental Friendly: Steel is 100% recyclable. Our production process complies with international environmental standards, reducing waste.
- Reliable After-Sales: With a 1-year warranty and a dedicated customer service team, we provide prompt support for any inquiries or claims.
Trust & Credibility
Hemaokang Steel (Shandong) Co., Ltd. is a young but rapidly growing exporter with an annual export value of US$50 Million – US$100 Million. Our team of 51-100 skilled employees is committed to delivering high-quality steel products to markets worldwide, including North America, South America, Europe, Africa, Oceania, and Asia. We are proud to hold ISO9001 certification, which reflects our dedication to consistent quality management and customer satisfaction. Our main port of shipment is Qingdao, one of China's largest and most efficient ports, ensuring timely delivery. Every order of pre-coated corrugated board includes a Mill Test Report to verify the material's chemical composition and mechanical properties, giving you full traceability.
We understand that construction projects require reliable materials that meet strict standards. That's why we offer flexible customization options and rigorous quality control at every stage – from steel sourcing to final packing. Contact us today to request a quote or discuss your specific requirements. Let us be your preferred supplier for durable, cost-effective, and aesthetically pleasing roofing solutions.
Frequently Asked Questions (FAQ)
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Q: What is the difference between pre-coated and post-painted corrugated board?
A: Pre-coated boards are painted before the corrugation process, ensuring a uniform coating thickness and better adhesion. Post-painted boards are painted after forming, which may lead to uneven coverage. Our pre-coated process provides superior durability and color consistency. -
Q: Can I order custom colors or lengths?
A: Yes, we offer customization. You can choose from a wide range of RAL colors, and we can cut the sheets to any length between 1m and 12m. Minimum order quantity may apply for custom colors. -
Q: How does the 1-year warranty work?
A: The warranty covers manufacturing defects such as delamination, cracking, or excessive rusting under normal use. If a defect occurs within one year from the date of shipment, we will replace the affected sheets or provide a credit. Please contact our sales team for the full warranty terms. -
Q: Is the Mill Test Report included with every shipment?
A: Yes, each shipment comes with a Mill Test Report that certifies the material's chemical composition, mechanical properties, and coating thickness. This document is essential for quality assurance and traceability. -
Q: What is the typical lead time for an order?
A: Standard lead time is 15-20 working days after order confirmation and deposit, depending on the quantity and customization. For large orders, we can negotiate a faster schedule. -
Q: Can I get a sample before placing a bulk order?
A: Certainly. We provide free samples (up to 2 pieces) for quality evaluation. The buyer only needs to cover the shipping cost. Contact us to arrange a sample. -
Q: How do you pack the corrugated sheets for export?
A: We pack the sheets in bundles with waterproof paper wrapping, steel strapping, and optional wooden pallets. The packing is suitable for sea freight and protects the product from moisture and damage during transit.
Ready to order? Reach out to Hemaokang Steel today for competitive pricing, professional service, and high-quality products that meet your project needs. We look forward to building a long-term partnership with you!
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