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Help CenterHot Dipped Galvanized Steel Coil 1 Year Warranty Mill Test Certification Supplied Export Packing Standard
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Hemaokang Steel (Shandong) Co., Ltd. supplies hot dipped galvanized steel coils for buyers who need reliable corrosion resistance, consistent processing performance, and complete export documentation. As a supplier with US$50 million to US$100 million in annual export value, we serve customers in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic market. This hot dipped galvanized steel coil is offered with a 1-year warranty, Mill Test Certification supplied with the shipment, and standard export packing, so you know what to expect from factory to port.
The manufacturing process is managed under an ISO9001 quality system. Our coil products are designed for roofing sheets, wall panels, corrugated sheets, structural components, ventilation ducts, home appliance parts, automobile components, storage racks, electrical cabinets, and general sheet metal fabrication. The zinc coating provides effective barrier protection and sacrificial corrosion protection, helping to extend the service life of finished parts in moderately corrosive environments.
Product Overview
Hot dipped galvanized steel coil is produced by continuously passing a clean steel strip through a bath of molten zinc. The molten zinc reacts with the steel surface to form a metallurgical bond. This bond allows the coating to withstand bending, punching, roll forming, and light drawing without peeling under normal working conditions. The product is an economical solution when you need a durable, weldable, and paintable steel material for manufacturing or construction projects.
Key Features and Benefits
- Long-term corrosion resistance: The uniform zinc coating resists atmospheric moisture, rain, and humidity, reducing the need for additional painting in many applications.
- Good formability: The steel base and zinc coating are processed to support stamping, deep drawing, roll forming, and folding with minimal surface damage.
- Multiple surface finishes: Normal spangle, minimized spangle, and zero spangle are available, and passivation or oiling can be applied according to project requirements.
- Weldability and paintability: The surface can be cleaned and prepared for painting, and spot welding is widely used in fabrication without material handling problems.
- Customizable dimensions: Thickness, width, coil weight, and inner diameter can be adjusted to match your production equipment and order specification.
- Complete documentation: A Mill Test Certificate is supplied with the shipment to provide traceable material information.
Typical Technical Parameters
| Parameter | Value / Option |
| Base Material | Steel coil for galvanizing |
| Coating | Hot-dipped zinc coating |
| Surface Finish | Spangle / minimized spangle / zero spangle, oiled or passivated |
| Thickness | Customizable, available upon request |
| Width | Customizable, available upon request |
| Coil Inner Diameter | Standard or customized, available upon request |
| Coil Weight | According to customer requirement |
| Warranty | 1 year |
| Certification | ISO9001 quality system; Mill Test Certificate supplied |
| Packing | Standard export packing |
| Port of Shipment | Qingdao, China |
Quality Assurance and Documentation
Every order can be arranged with a Mill Test Certificate, as stated in the product title. This certificate provides product identity and material information for the specific batch supplied. The production and inspection process is carried out with reference to ISO9001 management practices. If you have additional inspection requirements, such as dimension measurement, coating weight verification, or visual surface inspection before loading, our team can support you. Third-party inspection is also available upon request. These options help you receive material that meets your project specification.
Export Packing and Logistics
This product uses standard export packing suitable for international transportation. The typical packing method includes moisture-proof paper, plastic film, protective edge protectors, steel strapping, and pallets or framed bundles designed to protect the coil during container shipping. This packing is intended to avoid rust stains, scratching, edge damage, and coil deformation during handling and ocean transport. Since the port of shipment is Qingdao, China, the coil can be loaded efficiently into containers or onto bulk vessels for destinations worldwide.
Main Applications
- Roofing and wall cladding systems, including corrugated sheets and sandwich panel facing.
- Gutters, downspouts, flashings, and ventilation duct components.
- Cold-formed steel sections, purlins, trusses, and steel framing.
- Home appliance housings, control cabinets, and electrical enclosures.
- Automotive parts, agricultural equipment, storage racks, and general metal packaging.
Why Choose Hemaokang Steel
- Company established in 2025 with a focused, agile export service team.
- 51 to 100 employees supporting production, inspection, logistics, and sales coordination.
- Annual export value of US$50 million to US$100 million, serving diverse global markets.
- ISO9001 certified quality system.
- Located in Liaocheng, Shandong, with convenient access to Qingdao Port.
- Markets served include North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic Chinese market.
Ordering Information
To receive an accurate quotation, please tell us the required thickness, width, zinc coating weight, surface finish, coil weight, and quantity. If you need processing services such as slitting, cut-to-length, or embossing, confirm this in your inquiry so we can include the correct specification. Every order benefits from clear communication, mill test certification, 1-year warranty, and export packing that is designed for safe delivery.
Frequently Asked Questions
- What is hot dipped galvanized steel coil? It is a steel coil coated by immersion in molten zinc. This process creates a metallurgically bonded zinc layer that protects the base steel from corrosion.
- Do you supply a Mill Test Certificate? Yes. As stated in the product title, a Mill Test Certification is supplied with the shipment, and you can request the document for your records before loading when needed.
- What is included in the 1-year warranty? The warranty covers quality issues caused by manufacturing defects under normal handling, storage, and processing conditions. Please discuss the specific warranty terms with our sales team when placing your order.
- Can I customize thickness and width? Yes. Thickness, width, coil inner diameter, and coil weight are available upon request. Send us your required specification and we will confirm whether it can be produced.
- What surface options are available? We can supply normal spangle, minimum spangle, or zero spangle surface. Oiling and passivation can also be discussed according to application and destination climate.
- What packing is used? Standard export packing includes moisture-proof paper, plastic film, edge protectors, steel strapping, and palletized support. Packing can be adapted for container or bulk shipment.
- What is the delivery time? Delivery time depends on the specification, quantity, and production schedule. Please contact us with your order details so we can confirm a reliable loading time.
- Can you arrange shipment from Qingdao Port? Yes. Qingdao is our port of shipment, and we can coordinate container loading or break-bulk shipment according to your destination and cargo volume.
Hemaokang Steel (Shandong) Co., Ltd. is ready to support your galvanized steel coil requirement. With ISO9001 quality system, 1-year warranty, Mill Test Certification, and export standard packing, we aim to make international procurement simple and dependable. Contact us for a quotation, sample support, or further technical discussion.
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