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High-Quality Galvanized Steel Sheet | Hot Dipped Zinc Coated Steel Plate Manufacturer
Introduction to Galvanized Steel Sheets
Galvanized steel sheets are among the most durable and versatile metal materials used in modern construction and manufacturing.
They are made by coating cold-rolled or hot-rolled steel sheets with a protective layer of zinc, which enhances corrosion resistance, mechanical strength, and surface appearance.
At HaiHong (Jiangsu) Steel International Trade CO.,Ltd, we provide high-quality hot dipped galvanized steel sheets (GI Sheets) available in various thicknesses, coatings, and finishes, suitable for roofing, wall cladding, panels, and industrial use.
What Is a Galvanized Steel Sheet?
A galvanized steel sheet is produced by dipping base metal into a molten zinc bath, which creates a strong metallurgical bond between steel and zinc.
The resulting zinc-coated layer acts as a sacrificial anode, protecting the underlying steel from corrosion and extending its service life even in harsh outdoor conditions.
Types of Galvanized Steel Sheets
| Type | Description | Application |
|---|---|---|
| Hot Dipped Galvanized Sheet (GI Sheet) | Coated by immersion in molten zinc | Roofing, wall panels, steel frames |
| Electro-Galvanized Sheet (EG Sheet) | Coated using electroplating process | Home appliances, automotive panels |
| Galvalume Sheet (55% Al-Zn) | Aluminum-zinc alloy coating for extra protection | Industrial roofing, warehouses |
| Pre-painted Galvanized Sheet (PPGI) | Color coated galvanized steel | Decorative panels, building facades |
Advantages of Galvanized Steel Sheets
1. Excellent Corrosion Resistance
Zinc coating prevents rust, providing long-term protection in humid and outdoor environments.
2. High Strength and Durability
Strong base steel combined with zinc coating ensures high mechanical performance.
3. Smooth Surface & Attractive Finish
Shiny metallic surface suitable for both industrial and decorative applications.
4. Easy to Process
Can be cut, bent, drilled, or welded for a wide range of industrial uses.
5. Cost-Effective Alternative
Compared with stainless steel, galvanized steel provides similar protection at a lower cost.
Technical Specifications
| Item | Specification |
|---|---|
| Material Grade | SGCC, DX51D, DX52D, ASTM A653, CS Type B |
| Thickness | 0.12mm – 4.0mm |
| Width | 600mm – 1500mm |
| Zinc Coating | Z30 – Z275 g/m² |
| Surface Finish | Regular Spangle / Zero Spangle / Bright / Matte |
| Surface Treatment | Chromated, Oiled, Anti-fingerprint |
| Standards | ASTM, JIS, EN, GB/T |
Applications of Galvanized Steel Sheets
1. Construction and Roofing
Used in roofing panels, wall cladding, ceilings, gutters, and steel structures, ensuring protection and aesthetic value.
2. Automotive Industry
Applied in body panels, chassis parts, and frames for rust prevention and strength.
3. Home Appliances
Used for refrigerator panels, washing machines, and oven casings due to smooth finish and corrosion resistance.
4. Industrial and Agricultural Equipment
Ideal for ducting, storage tanks, silos, and machinery housings.
Why Choose HaiHong (Jiangsu) Steel International Trade CO.,Ltd?
Factory Direct Supply – Stable quality with competitive price.
⚙️ Advanced Production Line – Continuous hot-dip galvanizing and cutting equipment.
Global Export Experience – Serving clients in more than 50 countries.
Customizable Options – Thickness, zinc coating, and surface finish tailored to project needs.
✅ Certified Quality – ISO, SGS, and Mill Test Certificates (MTC) available.
Call to Action
Looking for a reliable galvanized steel sheet supplier?
HaiHong (Jiangsu) Steel International Trade CO.,Ltd provides high-quality hot dipped galvanized steel plates with factory prices, fast delivery, and full customization options.
Email: haihonginternationaltrade@gmail.com,cheng@haihong-steel.com
Tel/WhatsApp: +86 18652578808,+86 13773560716,+86 18114884888
Get your free quotation and product catalog today!
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