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China Suppliers Factory for Galvanized Sheets and Coils - Zinc-Coated Steel Strip with Superior 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:
1 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.
2 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.
3 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
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Excellent Rust Resistance
Zinc coating effectively prevents rust.
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Cost-Effectiveness
High cost-performance ratio, especially in large-scale applications.
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Wide Application
Suitable for construction, appliances, automotive, and more.
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Eco-Friendliness
Galvanized coils are recyclable and environmentally friendly.
Product Materials
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Carbon Steel
Mainly used for standard galvanized coils, cost-effective and strong.
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Alloy Steel
Contains manganese, silicon, etc., for enhanced strength and wear resistance.
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Zinc Coating
Provides rust protection, extending service life.
Product Applications
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Construction
Used for roofs, walls, and steel structures.
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Appliances
Used for refrigerator, washing machine, and air conditioner exteriors.
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Automotive
Used for car bodies, chassis, and components.
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Agriculture
Used for greenhouses and livestock fences.
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Industrial
Used for ventilation ducts and 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.
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Frequently Asked Questions
Q What is the standard thickness range for galvanized coils?
Galvanized coils are commonly available in thicknesses ranging from 0.2mm to 5.75mm, with widths from 600mm to 1500mm. Custom dimensions can be arranged based on project requirements.
Q What is the difference between hot-dip galvanized and electro-galvanized coils?
Hot-dip galvanized coils have a thicker zinc layer (up to 275g/m²), offering superior rust resistance and durability in harsh environments. Electro-galvanized coils feature a thinner, more uniform zinc layer with a smoother surface finish, making them ideal for applications requiring precise aesthetics.
Q Which industries commonly use galvanized coils?
Galvanized coils are widely used across construction (roofs, walls, steel structures), home appliances (refrigerators, washing machines), automotive (car bodies, chassis), agriculture (greenhouses, fences), and industrial sectors (ventilation ducts, cable trays).
Q What international standards do your galvanized coils comply with?
Our galvanized coils are manufactured in compliance with major international standards including ASTM (American), GB/T (Chinese), and JIS (Japanese) standards, ensuring consistent quality, dimensional precision, and mechanical performance.
Q Are galvanized coils environmentally friendly?
Yes. Galvanized coils are fully recyclable, making them an environmentally responsible choice. The zinc coating also extends the service life of the steel, reducing material waste and the need for frequent replacements.
Q Can I request custom specifications for galvanized coils?
Absolutely. We offer customized solutions including specific thickness, width, zinc coating weight, tensile strength, and surface finish. Please contact us or request a free quote to discuss your project requirements with our technical team.