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Help CenterHot Dipped Galvanized Steel Coil 0.5mm-2.5mm Dx51D G90 Standard Compliant for Construction
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As a leading supplier from Hemaokang Steel (Shandong) Co., Ltd., we take pride in offering the Hot Dipped Galvanized Steel Coil 0.5mm-2.5mm Dx51D G90 — a premium-grade material engineered for demanding construction applications. Our product combines superior corrosion resistance with exceptional formability, making it the backbone of modern building structures. Manufactured under strict quality control and backed by our ISO9001 certification, this coil ensures consistent performance across every project.
The 0.5mm to 2.5mm thickness range provides flexibility for diverse uses, from roofing sheets to industrial frames. The G90 zinc coating (0.9 oz/ft²) offers long-lasting protection against rust, even in harsh environments. With our company's annual export value reaching US$50 million - US$100 million and a global presence spanning North America, Europe, Asia, and Africa, you can trust our supply chain reliability and product quality.
Key Features & Technical Specifications:
- Material Grade: Dx51D — optimized for cold forming and welding, ideal for structural components.
- Zinc Coating Weight: G90 (0.9 oz/ft²) — meets ASTM A653 standard for corrosion resistance.
- Thickness Tolerance: ±0.02mm, ensuring uniform material distribution for precise fabrication.
- Surface Finish: Smooth, spangle-free or regular spangle available upon request.
- Coil Weight: 3-8 tons per coil, customizable to suit handling equipment.
- Inner Diameter: 508mm or 610mm, compatible with standard uncoilers.
- Application: Building roofs, wall panels, garage doors, steel structures, and agricultural silos.
- Processing: Can be cut, punched, bent, or roll-formed without cracking.
Product Performance Table:
| Property | Value |
| Yield Strength | ≥ 140 MPa |
| Tensile Strength | 270 - 500 MPa |
| Elongation | ≥ 22% |
| Zinc Coating Weight (G90) | 0.9 oz/ft² (both sides) |
| Spangle | Regular or minimized (optional) |
| Chemical Treatment | Chromate-free passivation available |
Advantages for Your Business:
- Longevity: The G90 galvanized layer provides 20+ years of corrosion protection in moderate environments, reducing maintenance costs.
- Workability: Dx51D steel offers excellent ductility, allowing complex shapes without cracking — ideal for custom architectural elements.
- Cost Efficiency: Compared to stainless steel, our galvanized coil delivers similar rust resistance at a fraction of the cost.
- Consistent Quality: Each coil undergoes rigorous testing for thickness, coating weight, and mechanical properties before shipment.
- Global Logistics: We ship from Qingdao Port with expertise in container consolidation and break-bulk, ensuring timely delivery worldwide.
Trust & Credibility: Hemaokang Steel was established in 2025 but has rapidly grown into a reliable partner with 51-100 employees and an annual export value of US$50 million - US$100 million. Our ISO9001 certification reflects our commitment to quality management. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our team of experienced engineers and sales professionals is ready to support your projects with technical advice and customized solutions. Choose Hemaokang for durable, cost-effective, and compliant galvanized steel coils.
Frequently Asked Questions (FAQ)
Q1: What is the difference between G90 and G60 zinc coating?
A: G90 has a heavier coating weight (0.9 oz/ft²) compared to G60 (0.6 oz/ft²), providing superior corrosion resistance. G90 is recommended for outdoor or high-humidity construction applications.
Q2: Can this coil be used for roofing?
A: Yes, it is widely used in metal roofing systems. The 0.5mm-2.5mm thickness range allows selection for different structural requirements. We recommend a minimum thickness of 0.5mm for residential roofing and 0.6mm+ for commercial projects.
Q3: What is the maximum width available?
A: Standard widths range from 600mm to 1500mm, but we can customize up to 1800mm depending on the order volume. Please contact our sales team for specific width requirements.
Q4: Do you offer samples before bulk order?
A: Yes, we provide free samples (A4 size) for quality evaluation. The buyer only needs to cover the shipping cost. Samples are typically dispatched within 3 working days.
Q5: How is the coil packaged for export?
A: Each coil is wrapped with waterproof paper, plastic film, and steel strapping. The outer layer uses galvanized steel sheet for protection. We also offer vacuum packaging for long-distance sea freight at no extra charge.
Q6: Is the material RoHS compliant?
A: Yes, our Dx51D steel and G90 coating comply with RoHS and REACH regulations. No hazardous substances such as lead, cadmium, or mercury are intentionally added.
Q7: What is the lead time for a typical order?
A: For stock sizes, lead time is 7-10 days after deposit. For custom sizes or special coating, it may take 15-20 days. We always prioritize urgent orders.
Q8: Can you provide a mill test certificate?
A: Yes, a mill test certificate (MTC) conforming to EN 10204 is included with each shipment. Third-party inspection like SGS or BV is also available upon request.
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