Your Professional Galvanized Steel Coil Manufacturer
TIANJIN BO YI DA IMPORT AND EXPORT CO.,LTD is a modern production and exporting enterprise with professional experiences in international business.Our Product: galvanized steel, galvalume steel, PPGI, PPGL, hot rolled steel, cold rolled steel, stainless, wire rod, H-beam, steel pipe etc. The company is committed to providing customers with high-quality and reasonable price steel products and strives to create value for customers as its own responsibility.
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Why Choose Us
High Quality
We take pride in the craftsmanship of our products and ensure that each one meets our strict standards for quality.
Production Market
Our products are exported to all over the world, including Africa (West Africa, East Africa, South Africa), Southeast Asian countries (Philippines, Vietnam, Singapore, Indonesia), and South American countries, etc. Our products are widely used in construction projects.
Global Shipping
Our company has a strong and professional logistics and distribution system, ready to meet our customers' various needs at any time.
End-to-end Services
☆Pre-Sales service
* Inquiry and consulting support.
* Sample testing support
* View our Factory.
☆After-Sales Service
*Videos or photos will send to customers
*100% Granutee quanlity and quantity.
*Vessel tracking.
Products Specifications
|
Thickness |
0.12mm to 1.5mm and Width 750mm to 1500mm |
|
Coil ID |
508/610mm |
|
Zinc Weight |
30g-275g/m2 |
|
Coating |
Z181-Z275 |
|
Grade |
SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, DX51D |
|
Standard |
GB/ASTM/AISI/JIS |
|
Material |
SGCC/CGCC/TDC51DZM/TDC52DTS350GD/TS550GD/DX51D+Z Q195-q345 |
|
Hardness |
Mid Hard |
|
Surface |
Unoiled/oiled, Tension leveler skin pass, Anti-fingerprint/fingerprint, spangle |
|
Applications |
Making pipes, cold strip-welded pipes, cold-bent shaped-steel, bicycle structures, small-sized press-pieces and household decoration goods, boating |
|
Type |
Steel Coil |
Corrosion Resistance: The zinc coating on galvanized steel acts as a protective barrier, preventing the underlying steel from rust and corrosion. This resistance extends the lifespan of materials, reducing maintenance and replacement costs.
Longevity: Galvanized steel coil's exceptional durability translates to extended lifespans for various products, from buildings to vehicles, resulting in cost savings over time.
Strength and Structural Integrity: The inherent strength of galvanized steel ensures that it can withstand mechanical stresses and structural loads, providing stability and safety to the applications it supports.
Aesthetic Appeal: Galvanized steel's metallic appearance contributes to the aesthetic appeal of products, making it suitable for both functional and design-oriented applications.
Environmental Sustainability
The galvanization process uses zinc, a naturally abundant material, and the durability of galvanized steel coil reduces the need for frequent replacements, minimizing waste.
Low Maintenance
The minimal maintenance requirements of galvanized steel coil make it a convenient choice for applications where accessibility for upkeep might be limited.
Versatility
Galvanized steel coil can be customized for different applications, thanks to its wide range of available coatings and thicknesses.
Application of Galvanized Steel Coil
Construction
Galvanized steel coils play a critical role in the construction industry. They are used to manufacture roofing materials such as corrugated sheets, standing seam roofs, and roof tiles. Additionally, they are utilized in wall panels, structural components, beams, and columns, ensuring durability and longevity in building projects.
Automotive Industry
In the automotive sector, galvanized steel coils are employed to produce various components, including body panels, chassis parts, frames, reinforcements, exhaust systems, and structural sections. Their corrosion resistance protects vehicles from rust, enhancing performance and extending their lifespan.
Household Goods and Appliances
Galvanized steel coils are integral to the production of household appliances like refrigerators, air conditioners, washing machines, and ovens. They are also used in kitchenware, tools, cabinets, and other household items, where their durability and resistance to wear are essential.
HVAC Systems
Due to their resilience in high-moisture environments, galvanized steel coils are widely used in HVAC systems. Components such as air ducts, vents, and other structural elements benefit from their corrosion resistance and reliability.
Agricultural Machinery
In agriculture, galvanized steel coils are used to manufacture equipment and structures such as grain silos, barns, fences, and machinery. Their corrosion-resistant properties ensure long-term durability and reliability in challenging outdoor environments.
Telecommunications and Electrical Systems
Galvanized steel coils are essential in creating electrical enclosures, cable trays, and support structures for telecommunication and electrical systems. The zinc coating safeguards these components from environmental damage and corrosion.
Industrial Applications
Galvanized steel coils are widely used in industrial settings for applications such as industrial roofing, storage tanks, pipes, and scaffolding. Their strength and corrosion resistance make them ideal for demanding industrial environments.
Types of Galvanized Steel Coils
Hot-Dip Galvanized Steel Coils
The most popular type, produced by immersing steel coils in a bath of molten zinc, forming a thick, durable, and corrosion-resistant coating.
Electro-Galvanized Steel Coils
Involves applying a thin zinc layer through electrolysis, offering a lighter coating that is suitable for applications needing a smooth appearance and modest corrosion resistance.
Manufacturing Process of Galvanized Steel Coil
Surface Preparation
The journey begins with the preparation of the steel substrate. Raw steel coils are subjected to a thorough cleaning process to remove any contaminants, such as rust, oil, or dirt, from the surface. This preparation ensures optimal adhesion of the zinc coating that will be applied in subsequent steps.
Galvanizing Bath
Once cleaned, the steel coils are immersed in a bath of molten zinc. This step, known as hot-dip galvanizing, is pivotal to the process. The zinc bath is maintained at a high temperature to ensure proper metallurgical bonding between the zinc and the steel. This metallurgical bond enhances the durability and longevity of the resulting galvanized steel.
Alloying and Solidification
As the steel coils are withdrawn from the galvanizing bath, excess molten zinc drips off, leaving behind a layer of zinc that adheres to the steel surface. During this phase, alloying may occur between the zinc and the steel, further enhancing the bond between the two materials. The zinc layer solidifies on the steel substrate, forming the protective coating.
Cooling and Inspection
The galvanized steel coils are then cooled, allowing the zinc coating to fully solidify and bond to the steel. After cooling, the coils undergo thorough inspection to ensure uniformity of the coating thickness and its adherence to the steel. This inspection is crucial to ensuring that the final product meets the required quality standards.
Post-Treatment (Optional)
Depending on the intended application and desired characteristics, galvanized steel coils may undergo additional treatments. One common post-treatment is passivation, which involves applying a chemical solution to the zinc coating to enhance its corrosion resistance. Additionally, a topcoat may be applied for aesthetic purposes or to provide additional protection against specific environmental factors.
Packaging and Shipping
FAQ
As one of the leading galvanized steel coil manufacturers and suppliers in China, we warmly welcome you to buy high quality galvanized steel coil in stock here and get quotation from our factory. Contact us for more details.
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