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0.47mm G550 Prepainted Galvanized Color Coated Corrugated Board ASTM A755 Compliant
Product Spotlights
0.47mm G550 high-strength prepainted galvanized corrugated board, ASTM A755 compliant, delivers superior load capacity, corrosion resistance, and color retention. Ideal for roofing and cladding, it reduces structural costs and extends service life. Backed by ISO9001, customizable colors, and global export experience.
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Roofing
Thickness:
0.47mm
Material Grade:
G550 (High Strength Galvanized Steel)
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
7 days
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Application
Other, Roofing
Thickness
0.47mm
Material Grade
G550 (High Strength Galvanized Steel)
Coating Type
Prepainted (Color Coated)
Standard
ASTM A755
Surface Shape
Corrugated
Width
Customizable (e.g., 1000mm)
Length
Customizable (e.g., 2000-6000mm)
Color
Customizable (e.g., RAL colors)
Brand
Hemaokang
Hemaokang Steel (Shandong) Co., Ltd. is proud to introduce our 0.47mm G550 Prepainted Galvanized Color Coated Corrugated Board, engineered to meet the rigorous requirements of ASTM A755 standard. As a leading manufacturer with an annual export value of US$50 million to US$100 million, we combine advanced production technology with strict quality control to deliver corrugated panels that offer superior durability, corrosion resistance, and aesthetic appeal. Whether for commercial roofing, agricultural buildings, or industrial warehouses, this product provides a reliable, long-lasting solution that reduces maintenance costs and enhances building performance.
Key Features & Technical Specifications
- High-Strength G550 Steel Substrate: The G550 grade (minimum yield strength of 550 MPa) ensures exceptional load-bearing capacity and resistance to deformation, making it ideal for harsh weather conditions and heavy snow loads.
- Prepainted Color Coating: A multi-layer coating system (primer + topcoat) provides excellent UV resistance, color retention, and anti-fading performance. Available in a wide range of RAL colors to match architectural designs.
- ASTM A755 Compliance: Manufactured in strict accordance with ASTM A755, the industry standard for steel sheet, metallic-coated by the hot-dip process and prepainted, ensuring consistent quality and performance.
- Corrugated Profile Design: The trapezoidal corrugation increases structural rigidity and facilitates efficient water drainage, reducing the risk of leaks and standing water.
- Corrosion Protection: The galvanized zinc coating (typically 80-120 g/m²) combined with the paint layer creates a robust barrier against rust, even in coastal or industrial environments.
- Lightweight & Easy Installation: At only 0.47mm thickness, the board is lightweight yet strong, reducing transportation costs and simplifying on-site handling. Can be cut, drilled, and fastened with standard tools.
| Parameter | Value |
|---|---|
| Material | G550 Galvanized Steel |
| Thickness | 0.47mm (±0.02mm) |
| Zinc Coating Weight | 80-120 g/m² (Z275 optional) |
| Paint System | Polyester (PE) / Silicon Modified Polyester (SMP) / PVDF (optional) |
| Width | 1000mm (customizable) |
| Length | 2000mm – 6000mm (or as required) |
| Corrugation Pitch | 76mm / 125mm (or custom) |
| Color Options | RAL 3009, 5005, 6005, 7004, 8017, etc. |
| Standard | ASTM A755 / A755M |
Why Choose Hemaokang's 0.47mm G550 Prepainted Corrugated Board?
- Proven Durability: Our rigorous testing ensures the product withstands exposure to UV radiation, humidity, and temperature extremes without peeling or chalking for up to 20 years (depending on coating type).
- Cost-Effective Solution: The combination of high strength and light weight reduces structural steel requirements, lowering overall building costs. Longer lifespan means fewer replacements and lower lifecycle expenses.
- Versatile Applications: Suitable for roofing, wall cladding, decking, and interior partitions in residential, commercial, agricultural, and industrial projects.
- Eco-Friendly Manufacturing: Our production process complies with environmental regulations, and the steel is 100% recyclable, supporting green building initiatives.
Trust Hemaokang Steel – Your Reliable Partner
Established in 2025, Hemaokang Steel (Shandong) Co., Ltd. has quickly become a trusted supplier in the global steel market. With 51-100 skilled employees and an annual export value of US$50 million to US$100 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are backed by ISO9001:2015 certification, ensuring consistent quality from raw material procurement to final delivery. We offer flexible customization options, competitive pricing, and timely shipment. Contact us today for a quote or technical consultation – let our 0.47mm G550 Prepainted Galvanized Corrugated Board elevate your next project!
Frequently Asked Questions (FAQ)
-
Q: What does G550 mean in the product name?
A: G550 refers to the steel grade with a minimum yield strength of 550 MPa. It indicates the high strength of the galvanized steel substrate, which allows the panel to support heavy loads while maintaining a thin profile. -
Q: Is this board suitable for direct exposure to coastal or marine environments?
A: Yes, the prepainted galvanized coating provides excellent corrosion resistance. For coastal areas, we recommend a higher zinc coating weight (e.g., Z275) and a PVDF topcoat for enhanced durability. Please consult our technical team for specific recommendations. -
Q: Can I get custom colors or RAL numbers?
A: Absolutely. We offer a wide range of RAL colors and can match custom samples. Minimum order quantities may apply for custom colors. Contact us for a color chart and lead time. -
Q: What is the typical lead time for orders?
A: For standard sizes and colors, production takes approximately 15-20 working days after order confirmation. Large or customized orders may require 25-30 working days. We also maintain stock for popular specifications. -
Q: Does this product require any special maintenance?
A: No special maintenance is needed. Periodic cleaning with water and mild detergent helps maintain the appearance. Avoid abrasive cleaners. The paint system is designed to be self-cleaning under normal rain conditions. -
Q: How is the panel packaged for export?
A: Panels are stacked in bundles with protective plastic wrap, steel strapping, and corner protectors. Each bundle is labeled with specifications and quantity. For sea freight, we use waterproof packaging and fumigation-free wooden pallets if required. -
Q: Can you provide samples before bulk order?
A: Yes, we offer free samples (with shipping cost paid by the buyer) for quality evaluation. Sample size is typically 200mm x 200mm. Please contact our sales team to request a sample. -
Q: What certifications does your company hold?
A: Our factory is ISO9001:2015 certified, ensuring a robust quality management system. Our products are manufactured in compliance with ASTM A755 standards. We can provide a certificate of conformity upon request.
Send Inquiry to This Supplier
1Yr
Year Established
2025
Annual Export Value
US$50 Million - US$100 Million
Total Employees
51 - 100 People
Product Certifications
ISO9001
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