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Help CenterGalvanized Steel Coil With 1-Year Warranty and Mill Test Certificate 0.5x1250mm
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. As a professional manufacturer and exporter of galvanized steel coils, we are proud to present our premium Galvanized Steel Coil with 1-Year Warranty and Mill Test Certificate (0.5×1250mm). This product is designed to meet the rigorous demands of the construction, appliance, and automotive industries, offering superior corrosion resistance, excellent formability, and consistent quality. With our ISO9001 certified production line and annual export value exceeding US$50 million, we ensure every coil delivers reliability and performance.
Our galvanized steel coil is produced using a hot-dip galvanizing process, which provides a uniform and tightly bonded zinc coating that protects the base steel from rust and environmental damage. The 0.5mm thickness and 1250mm width make it highly versatile for applications such as roofing sheets, wall panels, automotive parts, and home appliances. Each coil comes with a comprehensive mill test certificate, guaranteeing traceability and adherence to international standards.
Key Features & Technical Specifications
- Superior Corrosion Resistance: The hot-dipped zinc coating (Z60–Z275 g/m²) provides long-lasting protection against rust, even in harsh environments.
- Excellent Formability: Suitable for bending, stamping, and deep drawing without cracking or spalling of the coating.
- Consistent Dimensional Accuracy: Thickness tolerance within ±0.02mm, width tolerance within ±0.5mm, ensuring smooth processing.
- Surface Finish Options: Available with regular spangle, minimized spangle, or zero spangle; plus chromated, oiled, or skin-pass treatment to meet your specific requirements.
- Wide Range of Steel Grades: DX51D+Z, DX52D+Z, S250GD+Z and more, as per ASTM A653, JIS G3302, EN 10142 standards.
- Certified Quality: Each coil is accompanied by a Mill Test Certificate and backed by a 1-year warranty against manufacturing defects.
- Customizable Packaging: Standard seaworthy export packing with inner waterproof paper, rust-proof coating, and steel pallets or wooden crates as required.
| Parameter | Specification |
|---|---|
| Thickness | 0.5mm (0.0197 inches) |
| Width | 1250mm (49.21 inches) |
| Zinc Coating Weight | Z60 – Z275 g/m² (both sides) |
| Steel Grade | DX51D+Z, DX52D+Z, S250GD+Z (or equivalent) |
| Surface Treatment | Chromated / Oiled / Skin-pass (optional) |
| Spangle Appearance | Regular, Minimized, or Zero Spangle |
| Coil Inner Diameter | 508mm or 610mm |
| Coil Weight | 3 – 8 tons per coil (customizable) |
| Standard Compliance | ASTM A653, JIS G3302, EN 10142 |
| Warranty | 1 Year against material & manufacturing defects |
Why Choose Our Galvanized Steel Coil?
- Cost-Effective: The combination of long-lasting protection and low maintenance reduces total lifecycle costs.
- Versatile Applications: Ideal for roofing, wall cladding, air ducts, HVAC components, automotive parts, agricultural equipment, and electrical enclosures.
- Easy Fabrication: Can be cut, punched, bent, and welded with standard equipment.
- Eco-Friendly: Zinc is fully recyclable, and our production process meets environmental standards.
- Reliable Supply Chain: With 51–100 employees and annual export value of US$50–100 million, we ensure timely delivery and consistent quality.
We understand that quality control is critical for your projects. That is why every coil undergoes rigorous testing at our factory, including tensile strength, yield strength, elongation, coating weight, and adhesion tests. The mill test certificate provides full traceability of raw materials and production parameters, giving you peace of mind. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and other regions, earning the trust of clients worldwide.
Trust Hemaokang Steel for Your Business – Established in 2025, we have quickly grown into a leading supplier in the steel industry. Our ISO9001 certified management system ensures that every step from raw material procurement to final delivery meets the highest standards. We are located in Liaocheng, Shandong, China – a well-known steel production hub – which gives us access to premium raw materials and efficient logistics. Whether you need a small trial order or a large container shipment, our team is ready to provide competitive pricing, professional support, and fast response. Contact us today to request a mill test certificate, discuss your specific requirements, or place an order. Let us be your reliable partner in steel.
Frequently Asked Questions (FAQ)
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What is the difference between hot-dipped galvanized and electro-galvanized steel coil?
Hot-dipped galvanizing applies a thicker zinc coating (typically Z60–Z275) by immersing the steel in molten zinc, providing superior corrosion resistance. Electro-galvanizing uses an electric current to deposit a thinner zinc layer, which is more suitable for applications requiring a smooth paint finish but lower corrosion protection. Our product is hot-dipped, making it ideal for outdoor and industrial use. -
Can you provide a mill test certificate for each coil?
Yes, every coil is accompanied by a mill test certificate that includes chemical composition, mechanical properties, coating weight, and dimensional tolerances. This certificate is issued by our factory and ensures full traceability. -
What is the typical lead time for this 0.5×1250mm galvanized coil?
Standard lead time is 15–25 working days after order confirmation, depending on the quantity and coating specifications. For urgent orders, we can expedite production upon request. -
How is the coil packaged to prevent damage during shipping?
We use standard seaworthy export packing: the coil is wrapped with rust-proof paper, VCI film, and plastic sheeting, then secured with steel strapping on a pallet. For extra protection, we can also use wooden crates or waterproof paper as per your requirement. -
What payment terms do you accept?
We commonly accept T/T (30% deposit, 70% balance before shipment) and L/C at sight. Other terms such as D/P or D/A are negotiable for long-term partners. -
Can I get a sample before placing a bulk order?
Absolutely. We can provide a small sample (e.g., 1m × 1m sheet) for quality evaluation. The sample is free of charge, but the freight cost is to be borne by the buyer. Please contact our sales team to arrange. -
Does your warranty cover discoloration or surface rust after storage?
Our 1-year warranty covers manufacturing defects, including coating adhesion failure, delamination, or structural defects. Discoloration due to improper storage (e.g., high humidity, chemical exposure) is not covered. We recommend storing coils in a dry, ventilated area and using them within 6 months of receipt. -
Can you supply galvanized steel coils with special zinc coating weights or widths?
Yes, we can customize the zinc coating from Z60 to Z275, and widths from 600mm to 1500mm. Thickness can range from 0.12mm to 4.0mm. Please send your specific requirements, and we will provide a tailored solution.
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