Zero Spangle Hot Dip Galvanized Steel Coil
Zero Spangle Hot Dip Galvanized Steel 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
Zero Spangle Hot Dip Galvanized Steel Coil (GI Coil) is a zinc-coated steel product with a smooth, uniform surface appearance and minimal visible zinc crystal patterns. Produced through a hot-dip galvanizing process under controlled conditions, it combines the corrosion protection of a zinc coating with a surface finish suitable for a variety of manufacturing and fabrication applications. Zero spangle galvanized steel coil is commonly used in appliance components, electrical enclosures, ventilation systems, metal panels, construction components and general industrial manufacturing where a less prominent spangle appearance is preferred. Available in different steel grades, thicknesses, widths, zinc coating weights and surface treatments, it can be selected according to forming, finishing and end-use requirements. Queen Metal provides customized coil dimensions, zinc coating specifications, slitting, cut-to-length processing, material documentation and export packaging solutions for industrial buyers and steel service centers.
Specifications
| Item | Specification |
|---|---|
| Product Type | Zero Spangle Hot Dip Galvanized Steel Coil |
| Common Name | Zero Spangle GI Coil / No Spangle Galvanized Coil / Smooth Surface Galvanized Steel Coil |
| Base Material | Carbon Steel with Zinc Coating |
| Surface Appearance | Smooth, uniform appearance with minimal visible zinc spangle |
| Common Steel Grades | DX51D / DX52D / DX53D / S250GD / S280GD / S350GD, or other grades according to applicable standards |
| Applicable Standards | EN 10346 / ASTM A653/A653M / JIS G 3302 / GB/T 2518, depending on grade and order requirements |
| Manufacturing Process | Continuous Hot-Dip Galvanizing |
| Product Form | Steel Coil / Slit Coil / Cut-to-Length Sheet |
| Thickness | Typically 0.12–6.00 mm, subject to grade, coating and production availability |
| Width | Typically 600–1,500 mm, with customized widths available |
| Zinc Coating Weight | Common options include Z40 / Z60 / Z80 / Z100 / Z120 / Z140 / Z180 / Z275, subject to availability and applicable standards |
| Spangle Type | Zero Spangle / Minimal Visible Spangle, according to the available production process |
| Surface Finish | Smooth and uniform appearance, subject to production conditions and agreed specifications |
| Surface Treatment | Passivated / Non-chromated / Oiled / Dry, depending on requirements and availability |
| Coil Inner Diameter | Common options include 508 mm / 610 mm, subject to production specifications |
| Coil Outer Diameter | According to coil weight, thickness, width and production requirements |
| Coil Weight | Customized according to material dimensions, production capability and transportation requirements |
| Edge Condition | Mill Edge / Slit Edge |
| Mechanical Properties | According to the selected steel grade and applicable standard |
| Dimensional Tolerance | According to applicable standards or agreed customer specifications |
| Processing Services | Slitting / Cut-to-Length / Recoiling / Customized Packaging, subject to availability |
| Customization Options | Steel Grade / Thickness / Width / Zinc Coating Weight / Surface Appearance / Surface Treatment / Coil Weight |
| Documentation | Material Test Certificate (MTC) available according to order requirements |
Need a Customized Solution?
If you cannot find a zero spangle hot dip galvanized steel 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 |
|---|---|
| Appliance Manufacturing | Appliance housings, internal panels, covers and selected component parts, subject to grade and forming requirements |
| Electrical & Electronics | Electrical enclosures, control cabinet panels, equipment covers and protective housings |
| HVAC & Ventilation | Air ducts, ventilation components and sheet metal ductwork |
| Construction | Building components, ceiling systems, wall panels and general construction fabrication |
| Roofing & Building Materials | Selected roofing components, cladding accessories and formed galvanized products |
| Industrial Manufacturing | Metal panels, brackets, protective covers and fabricated components |
| Steel Service Centers | Slitting, recoiling and cut-to-length processing for downstream manufacturers |
| General Metal Fabrication | Bending, roll forming, stamping and customized sheet metal products |
| Furniture & Storage Systems | Metal cabinets, shelving components, storage enclosures and support panels |
| Commercial Equipment | Equipment housings and fabricated metal parts where the specified surface finish is suitable |
Quality Assurance & Testing
| Inspection / Testing | Details |
|---|---|
| Material Verification | Verification of steel grade and chemical composition according to the applicable material standard |
| Thickness Inspection | Base metal thickness and dimensional checks according to the agreed specification |
| Width Inspection | Verification of coil width, slit width and dimensional tolerances |
| Zinc Coating Inspection | Verification of zinc coating mass or coating weight according to the applicable standard |
| Surface Appearance Inspection | Inspection of surface uniformity and minimal visible spangle, according to agreed requirements |
| Surface Defect Inspection | Inspection for bare spots, scratches, stains, coating defects and other visible surface issues |
| Surface Treatment Inspection | Verification of specified passivation, non-chromated treatment, oiling or dry surface condition, where applicable |
| Mechanical Testing | Tensile strength, yield strength, elongation and other tests according to the selected steel grade and standard |
| Formability Testing | Bend or other formability tests according to applicable requirements, where specified |
| Coating Adhesion | Coating adhesion testing according to the applicable standard or agreed requirements, where applicable |
| Dimensional Tolerance | Inspection of thickness, width, coil dimensions and other specified tolerances |
| Coil Weight Verification | Verification of actual coil weight and packing information against order requirements |
| Material Test Certificate | MTC available according to order requirements, subject to the agreed documentation scope |
| Traceability | Coil identification, batch information and product marking according to order requirements |
| Third-Party Inspection | SGS / BV or other third-party inspection available upon request |
Packaging & Logistics
| Item | Details |
|---|---|
| Packaging Standard | Export-standard zero spangle galvanized steel coil packaging |
| Coil Protection | Waterproof paper, protective steel sheets and steel strapping |
| Surface Protection | Protective wrapping to help prevent scratches, moisture exposure and surface damage |
| Edge Protection | Protective rings or edge guards to help prevent transportation damage |
| Coil Packaging Type | Vertical eye / Horizontal eye packaging, depending on order requirements |
| External Packaging | Waterproof packaging suitable for long-distance ocean transportation |
| Inner Core | Coil core and inner diameter arranged according to production specifications |
| Bundle Identification | Coil labels, material grade, dimensions, coil weight and order identification according to requirements |
| Shipping Method | Container / Bulk shipment, depending on coil dimensions, weight and order volume |
| Transportation Protection | Suitable protection for long-distance ocean transportation and coated steel products |
| MOQ | According to steel grade, thickness, width, zinc coating weight and order quantity |
| 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 Zero Spangle Galvanized Steel Coil?
Zero Spangle Galvanized Steel Coil is hot-dip galvanized steel with a smooth surface appearance and minimal visible zinc crystal patterns. It is selected for applications where a less prominent spangle appearance is preferred.
2. What is the difference between zero spangle and regular spangle galvanized steel coil?
Zero spangle GI coil has minimal visible zinc crystal patterns, while regular spangle GI coil has a more noticeable crystalline surface pattern. The main difference is appearance; corrosion resistance depends primarily on the zinc coating weight, coating quality and service environment.
3. What thicknesses and zinc coating weights are available?
Availability depends on the selected grade and production specifications. Common options include different thicknesses, coil widths and zinc coating weights such as Z80, Z120, Z180 and Z275. Customized specifications can be evaluated according to your requirements.
4. Can zero spangle galvanized steel coil be used for forming and fabrication?
Yes. Depending on the selected steel grade and mechanical properties, zero spangle GI coil can be used for bending, roll forming, stamping and general sheet metal fabrication. The appropriate grade should be selected based on the required forming operation and final application.
5. Can Queen Metal supply customized zero spangle GI coils with inspection and export packaging?
Yes. Queen Metal can coordinate custom steel grades, thicknesses, widths, zinc coating weights, surface treatments, processing services, material documentation and export packaging. SGS / BV third-party inspection can also be arranged upon request. Send us your specifications and quantity for a quotation.
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