Hot Dip Galvanized Steel Coil (GI Coil)
Hot Dip Galvanized Steel Coil (GI Coil)
Note: MOQ, pricing, lead time and payment terms may vary depending on product grade, specifications, order quantity and processing requirements. Please contact QueenMetal (ding@queenmetalgroup.com) for a product-specific quotation.
Product Introduction
Hot Dip Galvanized Steel Coil (GI Coil) is a zinc-coated steel product manufactured through a hot-dip galvanizing process, providing excellent corrosion resistance and long-term durability. The zinc coating protects the steel substrate from oxidation and environmental corrosion, making it suitable for both indoor and outdoor applications. Queen Metal supplies galvanized steel coils with various steel grades, zinc coating weights, surface finishes, and dimensions to meet different project requirements. GI coils are widely used in construction, automotive, appliances, industrial equipment, and fabrication industries. Customized thickness, width, coating, surface treatment, and processing services are available according to customer specifications.
Specifications
| Item | Specification |
|---|---|
| Product Type | Hot Dip Galvanized Steel Coil (GI Coil) |
| Material Type | Galvanized Carbon Steel |
| Base Material | Cold Rolled Steel / Hot Rolled Steel |
| Common Grades | DX51D / DX52D / DX53D / S250GD / S280GD / S350GD / ASTM A653 / Customized Grades |
| Standard | EN 10346 / ASTM A653 / JIS G3302 / DIN / GB Standards |
| Manufacturing Process | Hot Dip Galvanizing |
| Thickness | 0.12mm - 6.0mm / Customized |
| Width | 600mm - 1500mm / Customized |
| Zinc Coating | Z40 - Z600g/m² / Customized |
| Coating Type | Pure Zinc Coating / Zinc-Iron Alloy Coating |
| Surface Treatment | Chromated / Oiled / Passivated / Fingerprint Resistant / Customized |
| Surface Finish | Regular Spangle / Zero Spangle / Mini Spangle / Customized |
| Edge Condition | Mill Edge / Slit Edge |
| Coil Weight | Standard / Customized according to customer requirements |
| Inner Diameter | 508mm / 610mm / Customized |
| Mechanical Properties | According to applicable standards and customer requirements |
| Processing | Cutting / Slitting / Leveling / Roll Forming / Customized |
| Customization | Steel Grade / Thickness / Width / Zinc Coating / Surface Treatment / Coil Weight / Processing |
Need a Customized Solution?
If you cannot find a hot dip galvanized steel coil (GI Coil) for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.
Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.
Email: ding@queenmetal.com
Applications & Industries
| Industry | Typical Applications |
|---|---|
| Construction | Roofing sheets, wall panels, structural components and building materials |
| Automotive | Vehicle body panels, automotive parts and corrosion-resistant components |
| Home Appliances | Refrigerator panels, washing machine parts and appliance housings |
| Industrial Equipment | Machinery covers, equipment structures and fabricated components |
| Solar Energy | Solar mounting structures and photovoltaic support systems |
| HVAC Systems | Air ducts, ventilation equipment and protective components |
| Steel Fabrication | Metal processing, roll forming and customized steel products |
| General Manufacturing | Various corrosion-resistant steel applications |
Quality Assurance & Testing
| Inspection / Testing | Details |
|---|---|
| Chemical Composition Test | Verification of steel chemistry according to applicable standards |
| Zinc Coating Test | Coating weight inspection to ensure corrosion protection performance |
| Thickness Inspection | Thickness, width and dimensional accuracy verification |
| Surface Inspection | Inspection for coating uniformity, scratches, defects and surface quality |
| Mechanical Testing | Tensile strength, yield strength and elongation testing |
| Coating Adhesion Test | Verification of zinc coating bonding performance |
| Flatness Inspection | Checking coil flatness and forming performance |
| Salt Spray Test | Available according to customer requirements |
| MTC | Mill Test Certificate available according to EN 10204 3.1 or customer requirements |
| Third-Party Inspection | SGS / BV or other inspection agencies available upon request |
Packaging & Logistics
| Item | Details |
|---|---|
| Packaging Standard | Export-standard galvanized steel coil packaging |
| Coil Protection | Waterproof paper, galvanized sheet protection and steel strapping |
| Edge Protection | Protective rings or edge guards available to prevent coil damage |
| Surface Protection | Anti-rust protection and suitable wrapping according to shipping conditions |
| Coil Packaging Type | Vertical eye / Horizontal eye packaging according to transportation requirements |
| External Packaging | Waterproof packaging suitable for ocean transportation |
| Shipping Method | Container / Bulk shipment |
| Transportation Protection | Suitable protection for long-distance ocean transportation and heavy steel coils |
| MOQ | According to grade, thickness, width, coating and order requirements |
| Lead Time | Confirmed according to material availability, production schedule and order quantity |
| Customized Logistics | Coil marking, packaging method and shipping arrangements available according to customer requirements |
FAQS
1. What is GI Coil?
GI Coil, also known as Hot Dip Galvanized Steel Coil, is a carbon steel coil coated with a layer of zinc to improve corrosion resistance and service life.
2. What are the advantages of galvanized steel coil?
Galvanized steel coil provides excellent corrosion resistance, good formability, durability, low maintenance requirements, and long-term protection for steel products.
3. What zinc coating options are available for GI coils?
Queen Metal supplies different zinc coating weights, including Z40, Z80, Z120, Z180, Z275, Z350, Z450, and customized coating requirements.
4. What are GI coils used for?
GI coils are widely used in construction, automotive, solar structures, home appliances, HVAC systems, industrial equipment, and steel fabrication.
5. Can Queen Metal customize galvanized steel coils?
Yes. Queen Metal provides customized GI Coil solutions based on required steel grade, thickness, width, zinc coating, surface treatment, coil weight, processing requirements, and application.
Request a Quote Now
Tell us your requirements, including product type, specifications and quantity. Our professional team will provide a fast response and customized steel solutions.
- Choosing a selection results in a full page refresh.
- Opens in a new window.