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Galvanized Steel Coil
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Galvanized Steel Coil Supplier in China
Galvanized Steel Coil, also called GI coil, hot-dip galvanized coil, or galvanized sheet coil, is a steel coil coated with a protective zinc layer to improve corrosion resistance and service life. It offers good forming performance, weldability, and surface protection, and is widely used in roofing, wall panels, ducting, home appliances, construction, automotive parts, and general fabrication projects.
As a Galvanized Steel Coil stockist and supplier, SKSteel supplies galvanized steel coil and sheet with full sizes available, multiple steel grades, stable zinc coating, different spangle options, mill test certificates, slitting and cut-to-length service, and fast delivery worldwide.
Type of Galvanized Steel Coil SKSteel can supply
| Item | Description |
|---|---|
| Product | Galvanized Steel Coil / GI Coil / Galvanized Sheet Coil |
| Standard | ASTM A653, JIS G3302, EN10346, GB/T 2518 or Customized |
| Steel Grade | DX51D, DX52D, DX53D, SGCC, SGCD, SGC340, SGC400, CS Type A/B/C or Customized |
| Production Method | Hot-Dip Galvanized or Electro Galvanized |
| Thickness | 0.12mm-4.0mm or Customized |
| Width | 600mm-1500mm or Customized |
| Zinc Coating | Z30-2600, G30-G235 or Customized |
| Spangle | Regular Spangle, Small Spangle, Zero Spangle or Customized |
| Surface Treatment | Chromated, Oiled, Unoiled, Anti-Fingerprint, Passivated or Customized |
| Coil Weight | 3-12MT or Customized |
| Processing | Slitting, Cut-to-Length, Leveling, Shearing Available |
| Packing | Standard Export Packing or Customized |
| Certificate | MTC EN10204 3.1 Available |
For other specifications and customization requirements, please contact our professional sales team.
Chemical composition varies according to the selected base steel grade and standard. The following table is a common reference for carbon steel galvalume steel coil materials.
| Element | Content (%) |
|---|---|
| C | According to steel grade requirement |
| Si | According to steel grade requirement |
| Mn | According to steel grade requirement |
| P | Controlled by applicable standard |
| S | Controlled by applicable standard |
| Property | Value |
|---|---|
| Yield Strength | According to grade and standard |
| Tensile Strength | According to grade and standard |
| Elongation | According to grade and standard |
| Formability | According to grade and application requirement |
| Coating Adhesion | Tested according to project or standard requirements |
| Surface Quality | According to selected spangle and surface treatment |
Applications
With exceptional processing performance and durability, our steel sheets are widely utilized across industries operating in challenging environments.
Infrastructure & Construction
Solar Mounting Systems
Automotive Manufacturing
HVAC Pipelines
Challenges & Needs
To ensure excellence in these applications, we have gained deep insights into the common challenges customers face when sourcing Galvanized steel sheets and established a rigorous protection system to address them.
Inadequate Corrosion Resistance
Concerns over uneven or substandard zinc coating, leading to premature rust in harsh environments.
Poor Processing Adaptability
Cracking or springback during cutting, stamping, or bending, which hinders production efficiency.
Transit Damage
Improper packaging risks dents, deformation, or oxidation during long-distance sea freight.
Our Supply Solutions
To address these challenges, we provide customized, cost-effective solutions that keep your production lines running efficiently.
As a manufacturer with full supply chain control, SK STEEL integrates quality management throughout the process. From material selection to delivery, we strive to eliminate uncertainty and ensure every batch perfectly matches your production needs.
Our Manufacturing Strength
- Large Ready Stock
- Full Thickness, Width, and Zinc Coating Range Available
- Competitive Export Pricing
- Multiple Steel Grades Available
- Slitting and Cut-to-Length Service Available
- Mill Test Certificates Available
- Fast Global Delivery
- Professional Export Support
Value-Added Services
We offer more than just Galvanized steel sheets; we provide full-chain value-added services to eliminate hurdles in your downstream manufacturing and logistics.
Deep Pre-processing
Custom laser cutting, shearing, and bending from your blueprints.
Surface Enhancement
Blasting, cleaning, and painting for better protection and looks.
End-to-End Tracking
Real-time tracking and customs help to ensure on-time delivery.
Smart Logistics
Optimized container loading to save space and costs.
Collaboration with SK STEEL
FAQ for Steel Supply Services
What is the maximum thickness you can supply for Galvanized steel sheets?
We can supply a thickness range from 0.12mm up to 6.00mm, or we can customize it to meet your specific project requirements.
Can you provide custom lengths for the sheets?
Yes, we offer flexible length options ranging from 1m to 12m, or we can cut them according to your specific needs.
How do you handle surface treatment requests for these steel sheets?
We offer specialized surface treatments including cleaning, blasting, and painting, all tailored to your specific project requirements.
What kind of packaging do you use to ensure the sheets arrive safely?
We use standard export seaworthy packaging, which includes waterproof paper and steel strips, ensuring the sheets are protected for any type of transport.
Do your Galvanized steel sheets meet international quality standards?
Yes, our products are manufactured in compliance with ISO9001 and CE international quality standards.