Steel Coil
Your Professional Steel Coil Supplier
Brilliance Solution,headquartered in Tianjin, China,has grown from a small scaffolding manufacturer to a leading steel products provider. Over the years, we have expanded into a modern 5,000-square-meter facility with over 100 skilled professionals. We specialize in scaffolding, formwork, steel pipes, and solar structure components, offering both standard and customized solutions to meet diverse project needs. With advanced production lines and state-of-the-art equipment, our experienced team ensures reliable, cost-effective solutions tailored to your specifications.
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Hot Rolled Carbon Steel CoilStandard:AiSi, ASTM, bs, DIN, GB, JISread more
Thickness:0.6mm or as required
Width:600-2000 or as required -
Colour Coated Sheet CoilWidth: 600mm-1500mm,according to customer's requirementread more
Thickness: 0.12-6.00mm,or customer's requirement
Length: 6-12m or According To Customer's Demends -
Hot Dipped Galvanized CoilCoil ID:508-610mm or as your requestread more
Coil Weight:3~5 Tons or as per your request
Zinc Coating:30g - 275g / m2 -
Electro Galvanized CoilThickness:0.12mm-8.0mmread more
Width:700-1500mm
Zinc coatin:AZ40g/m2-AZ275g/m2
Why choose us
Our Certificate
Our company is ISO 9001 certified,with ISO, CE, and other international safety standards (OSHA, ANSI, EN) to ensure the highest level of reliability and safety.
Global Reach & Timely Delivery
We serve clients in over 50 countries, offering flexible shipping options including FOB, CIF, and DDP to meet diverse delivery requirements on time, every time.
Custom Solutions
We provide tailored scaffolding, formwork, and steel products with specific height, load capacity, and design requirements, ensuring each product perfectly suits your project needs.
Service Advantages
Our dedicated customer support team offers rapid responses within 24 hours and provides ongoing technical assistance, ensuring your project stays on track and problems are resolved promptly.
Electro Galvanized Coil
Galvanized steel coils are steel sheets or strips coated with a layer of zinc to protect them from corrosion. The galvanization process involves either immersing steel coils in molten zinc baths or applying a zinc coating through a continuous hot-dip galvanizing process. The zinc coating serves as a protective barrier, shielding the steel from environmental elements that cause rust and corrosion. Additionally, it acts as a sacrificial layer, meaning that even if the coating is scratched or damaged, the zinc corrodes before the steel, preserving the underlying material.
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Product name |
Galvanized Steel Coil |
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Thickness |
0.12mm-8.0mm |
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Width |
700-1500mm |
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Zinc coatin |
AZ40g/m2-AZ275g/m2 |
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Painting |
Top side: 10-25 microns, back side 5-10 microns |
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Color |
Ral chart or as customer required |
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Spangle |
No spangle , min spangle , regular spangle |
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Standard |
ASTM AISI JIS DNS GB etc |
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Package |
Mill standard export seaworthy packing |
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Surface Treatment |
1. Galvanized |
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Product Application |
1. Fence, greenhouse, door pipe,greenhouse |
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Usage |
Grade |
Yield Strength (MPA) |
Tensile Strength (MPA) |
Elongation rate % |
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Punching galvanized steel |
DX51D+Z |
~ |
270-500 |
>=20 |
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DX52D+Z |
140-300 |
270-420 |
>=22 |
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DX53D+Z |
140-260 |
270-380 |
>=26 |
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DX54D+Z |
140-220 |
270-350 |
>=30 |
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Structure galvanized steel |
S220GD+Z |
>=220 |
>=300 |
>=18 |
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S250GD+Z |
>=250 |
>=330 |
>=17 |
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S280GD+Z |
>=280 |
>=360 |
>=16 |
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S320GD+Z |
>=320 |
>=390 |
>=15 |
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S350GD+Z |
>=350 |
>=420 |
>=14 |
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S400GD+Z |
>=400 |
>=470 |
~ |
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S500GD+Z |
>=500 |
>=530 |
~ |
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S550GD+Z |
>=550 |
>=560 |
~ |
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Benefits of Electro Galvanized Coil
Corrosion Resistance: The zinc coating prevents rust and oxidation, even in harsh environments.
Cost-Effective: Compared to stainless steel, galvanized steel is more affordable while still offering excellent protection.
Long Lifespan: Galvanized steel products can last 20–50 years depending on the environment and exposure conditions.
Low Maintenance: Thanks to its protective coating, it requires little to no maintenance over its lifetime.
Recyclable and Sustainable: Galvanized steel is fully recyclable, making it an eco-friendly material choice.
Types of Electro Galvanized Coil
Hot-Dipped Galvanized Steel Coils
Coated by immersing steel in molten zinc, creating a thick, durable layer with visible spangle patterns.
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Ultra-Low Spangle Galvanized Steel Coils
Treated to minimize or eliminate visible spangle patterns while retaining corrosion resistance.
02
Organic-Coated Galvanized Steel Coils
Features a layer of paint, polymer, or other organic material applied over the galvanized base for enhanced protection and appearance.
03
Finger-Stiffened Galvanized Steel Coils
Incorporates raised ridges ("fingers") rolled into the steel surface to enhance rigidity and dent resistance.
04
Twin Galvanized Steel Coils
Two steel sheets are simultaneously coated in a single pass, improving production efficiency and consistency.
05
Applications of Electro Galvanized 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.
Manufacturing Process of Electro Galvanized Coil
Cleaning: The steel or iron surface is thoroughly cleaned to remove any dirt, oil, rust, or other contaminants. This can be done using chemical cleaners, degreasers, or mechanical methods like abrasive blasting.
Pickling: The cleaned metal is then treated with an acid solution (usually hydrochloric or sulfuric acid) to remove any remaining oxides and scale. This step ensures a clean surface for better adhesion of the zinc coating.
Rinsing: After pickling, the metal is rinsed with water to remove any acid residues. This step is crucial to prevent contamination of the electroplating bath.
Electrolyte Bath: The metal is submerged in an electrolyte solution containing dissolved zinc salts (such as zinc sulfate or zinc chloride).
Electrodes: The metal to be coated acts as the cathode (negative electrode), and a zinc anode (positive electrode) is also placed in the bath.
Current Application: An electrical current is passed through the electrolyte solution. Zinc ions in the solution are reduced and deposited onto the surface of the metal, forming a thin, uniform zinc coating.
After electroplating, the coated metal is rinsed with water to remove any remaining electrolyte solution. The metal is then dried to prevent water spots or other surface imperfections.
Depending on the desired properties of the final product, additional treatments such as chromate conversion coating or passivation may be applied to enhance corrosion resistance and appearance.
Which steels are Electro Galvanized Coil constructed from
Low-Carbon Steel
The standard substrate for electro galvanizing; provides a strong, malleable base ideal for automotive, appliance, and construction uses.
Stainless Steel (less common)
Occasionally used when combining the intrinsic corrosion resistance of stainless with the sacrificial protection of zinc plating is beneficial.
Coating Function
The electroplated zinc layer acts as a barrier and sacrificial anode, protecting the underlying steel from rust and environmental degradation.
FAQ
As one of the most professional steel coil manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy durable steel coil made in China here from our factory. Contact us for more details.

