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China Suppliers Galvanized Sheet and Coils - Durable Zinc-Coated Steel Strip from Factory with High Corrosion Resistance
Product Parameters
| Thickness | Common thickness ranges from 0.2mm to 5.75mm. |
| Width | Common width ranges from 600mm to 1500mm. |
| Zinc Coating Thickness | Typically between 10g/m² and 275g/m². |
| Tensile Strength | Typically between 300MPa and 600MPa. |
| Yield Strength | Typically between 200MPa and 400MPa. |
Product Types
Galvanized coils can be classified based on their use, material, and process:
By Use
- Construction galvanized coils: Used for roofs, walls, and steel structures.
- Appliance galvanized coils: Used for refrigerator, washing machine, and air conditioner exteriors.
- Automotive galvanized coils: Used for car bodies, chassis, and components.
By Material
- Carbon steel galvanized coils: Made of carbon steel, widely used in construction and manufacturing.
- Alloy steel galvanized coils: Contains manganese, silicon, etc., for higher strength and special uses.
By Process
- Hot-dip galvanized coils: Produced by hot-dip galvanizing, with a thicker zinc layer for better rust resistance.
- Electro-galvanized coils: Produced by electroplating, with a thinner zinc layer and smoother surface.
Product Advantages
🛡️
Excellent Rust Resistance
Zinc coating effectively prevents rust, significantly extending product lifespan.
💰
Cost-Effectiveness
High cost-performance ratio, especially advantageous in large-scale applications.
🔧
Wide Application
Suitable for construction, appliances, automotive, and many other industries.
♻️
Eco-Friendliness
Galvanized coils are fully recyclable and environmentally responsible.
Product Materials
⚙️ Carbon Steel
Mainly used for standard galvanized coils. Cost-effective with reliable strength.
🔩 Alloy Steel
Contains manganese, silicon, etc., for enhanced strength and wear resistance.
🧪 Zinc Coating
Provides rust protection and extends the overall service life of the product.
Product Applications
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Construction
Roofs, walls & steel structures
Roofs, walls & steel structures
🏠
Appliances
Refrigerators, washers & AC units
Refrigerators, washers & AC units
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Automotive
Car bodies, chassis & parts
Car bodies, chassis & parts
🌾
Agriculture
Greenhouses & livestock fences
Greenhouses & livestock fences
🏭
Industrial
Ventilation ducts & cable trays
Ventilation ducts & cable trays
Process Advantages and Material Selection Guidelines
Advanced high-speed rolling and controlled cooling technologies ensure dimensional precision (±0.1 mm) and microstructural homogeneity, supporting downstream processes like drawing and heat treatment. Material selection must comply with industry standards (ASTM, GB/T, JIS), prioritizing carbon content, elongation, and surface defect control.
As a global wire rod supplier, we deliver full-range solutions for steel strands, cold-headed standard parts, and special alloy wire materials, empowering clients to reduce costs and enhance efficiency. Contact us now for customized product catalogs and technical support!
Frequently Asked Questions
What is the standard thickness range for galvanized coils?
Galvanized coils are commonly available in thicknesses ranging from 0.2mm to 5.75mm, with zinc coating weights between 10g/m² and 275g/m². The appropriate thickness depends on the specific application and required corrosion resistance level.
What is the difference between hot-dip galvanized and electro-galvanized coils?
Hot-dip galvanized coils are produced by immersing steel in molten zinc, resulting in a thicker zinc layer and superior rust resistance — ideal for outdoor and heavy-duty applications. Electro-galvanized coils use electroplating to apply a thinner, more uniform zinc layer with a smoother surface finish, making them suitable for appliances and precision parts.
Which industries commonly use galvanized coils?
Galvanized coils are widely used across multiple industries including construction (roofs, walls, steel structures), home appliances (refrigerators, washing machines, air conditioners), automotive (car bodies and chassis), agriculture (greenhouses and fencing), and industrial sectors (ventilation ducts and cable management systems).
What international standards do your galvanized coils comply with?
Our galvanized coils are produced in compliance with major international standards including ASTM (American Society for Testing and Materials), GB/T (Chinese National Standards), and JIS (Japanese Industrial Standards). We prioritize carbon content, elongation performance, and surface defect control to meet diverse global requirements.
Can galvanized coils be customized to specific dimensions and specifications?
Yes. We offer customized solutions for width (600mm–1500mm), thickness (0.2mm–5.75mm), zinc coating weight, tensile strength, and surface finish. Please contact our team with your specific requirements to receive a tailored product catalog and technical support.
Are galvanized coils environmentally friendly?
Yes. Galvanized coils are 100% recyclable, making them an environmentally responsible material choice. The zinc coating extends the service life of the steel, reducing the need for frequent replacement and minimizing overall material waste in the long term.