Wanzhi Group specializes in supplying various types of galvanized steel products, committed to providing customers across different industries with a one-stop solution for Galvanized Steel Slitted Coil. Our factory is equipped with mature galvanizing production lines and precision slitting equipment for galvanized coils, ensuring accurate widths, stable quality, and timely delivery, significantly reducing your processing costs and inventory pressure.
Galvanized Steel Slitted Coil Raw Materials
Wanzhi Steel Factory can provide galvanized steel that comply with international standards such as GB, EN, ASTM, and JIS according to customer requirements. You can select the width, thickness, steel grade, and coating based on your application, and we will promptly calculate and provide you with the most competitive quotation.
Steel Grade
- Commercial Grade: DX51D, DX52D, Q195, SGCC (General and stamping applications)
- Structural Grade: S220GD, S250GD, S280GD, S350GD+Z (High-strength load-bearing structures)
- Deep Drawing Grade: DX53D, DX54D (Suitable for complex formed parts)
Standard
- Chinese Standard: GB/T 2518-2019
- European Standard: EN 10346:2015
- American Standard: ASTM A653/A653M
- Japanese Standard: JIS G 3302
Coating Type
- Pure Zinc Coating: Conventional hot-dip galvanizing, providing balanced corrosion resistance and processing performance.
- Zinc-Aluminum Alloy Coating: Hot-dip galvalume, offering superior corrosion resistance and weather resistance compared to pure zinc coatings.
- Zinc-Iron Alloy Coating: Dark gray surface, featuring excellent paint adhesion and weldability.
- Lead-Free/Chromium-Free Passivation Coating: Meets higher environmental protection requirements.
Coating Weight
- General Range: Z30 ~ Z275 (Total weight for both sides, g/m²)
- Common Grades: Z40, Z80, Z120, Z180, Z275. Choose based on required anti-corrosion service life.
Surface Treatment
- Conventional Passivation: Chromate passivation, providing basic protection against white rust.
- Oil Coating: Light or standard oiling, for rust prevention and facilitating subsequent processing.
- Surface Structure: Options include regular spangle, minimum spangle, and zero spangle (skin-passed).
- Painting: Roller coating or spraying of organic coatings.
Thickness & Width
- Thickness Range: 0.12 mm ~ 3.0 mm (Common range: 0.3mm ~ 2.0mm)
- Slit Width: 30 mm ~ 1500 mm
- Width Tolerance: Can be controlled within the precision range of ±0.1mm to ±0.5mm.
Wanzhi Galvanized Steel – Slitting Service
- High-Precision Slitting Lines: Equipped with multiple high-precision longitudinal slitting production lines, ensuring smooth edges, no burrs, and no camber.
- Flexible Customization: Slit standard width galvanized steel coils into one or more strips of your required specific widths based on your order.
- Customizable Coil Weight: Can be rewound to your specified inner diameter (typically 508mm/610mm) and coil weight.
- Edge Treatment: Mill edge or edge-trimming treatment available upon request.
- Finished Product Inspection: Three-stage inspection (dimensional tolerance, surface quality, end treatment) and final pre-packaging inspection for slit strips.
Our Factory
Whether you need standard specifications or special customization, Wanzhi Group can provide you with a professional and reliable Galvanized Steel Slitted Coil solution. Our factory is located in Boxing County, Binzhou City, Shandong Province, China (Shandong Wanzhi Steel). With years of deep involvement in the galvanized steel field, we integrate galvanized steel coil production + CNC slitting processing for integrated operations. As a factory-direct supplier, besides full-specification customization of GI Slitted Coil, we also supply GL, PPGI, PPGL, SS Slitted Coil, offering one-stop service from production, slitting to packaging, and shipping.
Benefits
- Cost Saving: Eliminate equipment investment, labor, and material loss costs associated with self-slitting.
- Efficiency Improvement: Directly obtain materials in the required width for production, shortening preparation time and accelerating the production cycle.
- Stable Quality: Completed in one pass by professional equipment, edge quality is superior to multiple processing steps, ensuring stability in subsequent forming.
- Full-Specification Customization: From steel grade and coating weight to slitting width and coil specifications, all can be customized according to actual customer needs. Small trial orders are supported, and samples can be provided.
- Packaging & Labeling: Inner packaging with rust-proof paper, reinforced with steel edge protectors or wooden pallets to ensure no deformation or scratching during transport. Each coil is clearly labeled with specifications, weight, batch number, etc., facilitating your management and use.
- Quick Response Capability: With ample raw material inventory and flexible production line scheduling, we can quickly respond to your urgent needs and shorten delivery cycles.
- Rich Experience: Products comply with major global standards and have been exported to over 100 countries and regions, including the Philippines, Brazil, the Middle East, and Southeast Asia.
- Certifications: Certified with ISO9001 Quality Management System, ISO14001 Environmental Management System, and ISO45001 Occupational Health and Safety Management System.
Galvanized Steel Slitted Coil Application
Construction Industry: Base material for light-gauge steel framing, cable trays, building guardrails, embedded parts, ventilation ducts, louver blades, and arched corrugated roof sheets.
Home Appliance Manufacturing: Precision stamping material for internal structural parts, casings, back panels, and frames of refrigerators, air conditioners, and washing machines.
Automotive Industry & Energy: Automotive parts, seat frames, battery pack structural components, muffler casings, photovoltaic support accessories, etc.
General Hardware & Cabinets: Precision small hardware, spring clips, metal fasteners, filing cabinets, distribution boxes, computer chassis and cabinets, storage racks, various stamping fasteners.
Agriculture & Furniture: Frames for agricultural greenhouses, metal furniture tubing, office partition profiles, etc.
Wanzhi Group focuses on Galvanized Steel Slitted Coil production and processing for many years, providing a full-process one-stop service for slitted galvanized steel coils to multiple industries including hardware manufacturing, home appliance production, construction materials, photovoltaic new energy, and transportation facilities. If you have specific specification parameters, order quantity requirements, or need free samples, exclusive quotations, or factory inspections, please feel free to leave a message to contact us. We will respond to you promptly!