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Help Center12-Month Warranty Galvanized Color Coated Corrugated Board With Mill Test Report and Loading Supervision
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Hemaokang Steel (Shandong) Co., Ltd. is a professional manufacturer of galvanized color coated corrugated boards, serving global customers in construction and industrial sectors. Our 12-Month Warranty Galvanized Color Coated Corrugated Board is produced from a hot-dip galvanized steel substrate and finished with a durable color coating, resulting in an attractive profile that resists corrosion, handles rain and wind loads, and stays maintainable over a long service life. For every order, we can provide a Mill Test Report and arrange loading supervision, ensuring you know exactly what is being delivered and how it is handled before shipment. This product is a solid choice for roofing, wall cladding, and light structural panel applications where reliability and cost efficiency matter.
Key Features and Benefits:
- Reliable corrosion protection: The galvanized layer offers continuous sacrificial protection at cut edges and damaged areas, reducing the risk of rust and extending the board's useful life.
- Stable color coating: The top coating is available in polyester, PVDF, or SMP systems, which help resist UV discoloration and chalking, while maintaining a clean exterior appearance.
- High strength-to-weight ratio: The corrugated profile improves flexural strength and stiffness, allowing longer spans and lighter supporting structures, which can save material and installation time.
- Good weather resistance: The board performs well in hot, rainy, coastal, and industrial environments when the correct coating and zinc coating weight are selected.
- Easy handling and installation: The sheet is lightweight and can be cut, drilled, and fixed with standard tools, making installation faster and less labor-intensive.
- Customizable dimensions: Thickness, width, length, wave height, wave pitch, and color can be adjusted according to project drawings or local building codes.
- Complete documentation: A Mill Test Report is included to support product traceability and quality compliance.
- Optional loading supervision: Our loading supervision service verifies packing, quantities, and condition during loading, helping prevent mistakes and disputes.
Technical Specifications:
| Base material | Galvanized steel / cold rolled steel |
| Thickness | 0.12 mm - 0.80 mm, customizable |
| Zinc coating weight | Z40 - Z275 g/m², customizable |
| Top coating | Polyester, PVDF, SMP or other systems, optional |
| Board width | 600 mm - 1250 mm, customizable |
| Board length | 0.8 m - 12 m, customizable |
| Wave height | 10 mm - 30 mm, customizable |
| Wave pitch | 60 mm - 150 mm, customizable |
| Color options | RAL colors or customized colors |
| Warranty | 12 months |
| Quality documents | Mill Test Report included; loading supervision optional |
| Packing | Waterproof paper, steel strip, and wooden pallet, customizable |
| Shipping port | Qingdao, China |
Quality Assurance and Shipping Support:
We understand that steel sheet buyers need certainty about material quality and shipment accuracy. Therefore, our production team carries out thickness, zinc coating, paint film, and dimension checks throughout the process. Each batch can be supplied with a Mill Test Report that records key inspection data. If you require more rigorous control, loading supervision can be arranged before container loading; this provides photo records, packing inspection, quantity confirmation, and loading process supervision so that goods arrive in the condition you expect.
Why Choose Hemaokang Steel:
Hemaokang Steel (Shandong) Co., Ltd. is located in Liaocheng, Shandong, China, and operates with a professional team of 51-100 employees. Our annual export value is in the range of US$50 million - US$100 million, and we ship mainly through Qingdao Port to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other markets. The company holds ISO9001 certification, which supports an organized quality management system for production, inspection, packing, and customer service.
With the 12-month warranty, Mill Test Report, and optional loading supervision, we aim to lower your risk and help your project run smoothly. We welcome OEM and ODM inquiries and can adapt product specifications to your local building conditions. Please contact us with your required thickness, width, color, quantity, and destination, and our team will respond with a clear quotation and professional advice.
FAQ:
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What does the 12-month warranty cover?
The warranty mainly covers coating peeling, zinc layer quality problems, and manufacturing defects under normal installation and use. For exact warranty terms, please confirm with our sales team before ordering. -
Is a Mill Test Report included for every order?
Yes. The Mill Test Report is prepared for the relevant production batch and describes key properties such as base material, zinc coating weight, and coating performance. If your order requires additional tests, that can be discussed. -
How does loading supervision work?
When this service is selected, our staff or a designated supervisor will check the quantity, packing condition, and loading process, and provide visual evidence before shipment. This helps prevent missing items or damaged goods. -
What coating and color options are available?
Common options include polyester, PVDF, and SMP coatings. Colors can be selected from RAL charts or customized according to your project requirements. -
Can the sheet thickness and length be customized?
Yes. Thickness, width, length, wave height, and wave pitch are customizable. Please send your drawings or request a technical recommendation. -
What is the normal packing for ocean freight?
Each bundle is protected with waterproof paper, fixed with steel strips, and can be placed on a wooden pallet if needed. Alternately, packing can be adapted to your requirement. -
What details should I provide to get a quotation?
Please provide material thickness, width, length, color, coating type, zinc coating weight, quantity, and destination port. Our sales team can then offer a customized quotation. -
Can we arrange a third-party inspection?
Yes, third-party inspection can be arranged upon request. We will cooperate with the inspection agency to provide sample materials and access to the production line.
For more information, please contact Hemaokang Steel (Shandong) Co., Ltd. today. Our team is ready to discuss your project, share material samples, and provide a competitive price with documented quality support.
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