Your Professional Galvanized Steel Coil Supplier！
Shandong SDEE Steel Co., Ltd. relies on Shandong Shengde Daye New Materials Technology Co., Ltd., which also serves as our production base. So far, SDEE Steel has three major production bases and warehouses located in China, Saudi Arabia, and Indonesia.
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![GI Steel Coil]()
GI Steel CoilGI Steel Coil (Galvanized Steel Coil) is supplied with hot-dip zinc coating for reliable corrosion resistance. It is widely used for construction steel structures, metal roofing, and light industry product manufacturing.view more -
![Galvanized Steel Sheet In Coil]()
Galvanized Steel Sheet In CoilGalvanized Steel Sheet In Coil is supplied with pure zinc coating for basic anti-corrosion performance. It is widely used for steel structures, metal parts processing, and general building materials.view more -
![Prime Hot Dipped Galvanized Steel Coils]()
Prime Hot Dipped Galvanized Steel CoilsPrime Hot Dipped Galvanized Steel Coils are supplied with pure zinc coating for reliable anti-corrosion performance. It is widely used for steel structures, roofing panels, and general metal component manufacturing.view more
Why Choose Us
Quality Control
SDEE Steel enforces comprehensive quality control throughout production and holds internationally recognized certifications, ensuring every steel coil complies with global performance and durability standards.
Customized Processing
We offers comprehensive processing services, including cut-to-length, slitting, and forming based on customer specifications. Support for customized designs, specifications, and packaging to meet personalized requirements.
Sales Market
Our products have been sold to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Middle East, Eastern Asia, Western Europe.
Overview: Galvanized Steel Coil
A galvanized steel coil is a continuous sheet of carbon steel that has been coated with a protective layer of zinc to prevent rust and corrosion. It is commonly used in manufacturing, construction, and automotive industries due to its exceptional durability and cost-effectiveness.
Product Specification
We offers the following product specifications：
|
Parameter Item |
Specification Range |
Remarks |
|
Zinc Coating |
20-180 g/m² |
Common specs: 60g, 80g, 120g, 180g |
|
Steel Grade |
DX51D, DX52D, DX53D, DX54D |
DX51D for general purpose, DX54D for deep drawing |
|
Substrate Thickness |
0.12 mm - 1.5 mm |
Custom thicknesses available |
|
Coil Width |
750 mm - 1500 mm |
Slitting to custom widths offered |
|
Tensile Strength |
270 MPa - 500 MPa |
Balances formability and strength |
|
Surface Treatment |
Regular Spangle, Minimal Spangle, Chrome-Free Passivation |
Passivation enhances paint adhesion & prevents white rust |
|
Inner Diameter (ID) |
508 mm or 610 mm |
Standard for shipping and handling |
|
Coil Weight |
3-10 MT (Standard) |
Up to 15 MT upon request |
Corrosion Resistance
The zinc coating forms a robust protective barrier, ensuring the steel remains rust-free, even in harsh conditions. This is particularly important in industries like construction, agriculture, and automotive, where materials are exposed to moisture and extreme weather.
Durability & Strength
Combining the inherent strength of steel with the protective qualities of zinc, galvanized steel coils offer long-term performance in demanding applications. Whether in roofing, fencing, or plumbing, galvanized steel ensures the longevity of the products.
Versatility
Galvanized steel coils can be easily molded into a wide range of shapes, sizes, and thicknesses, making them suitable for nearly any application across different industries.
Cost-Effective
While the initial cost may be higher than non-galvanized alternatives, the long-lasting performance and low maintenance needs of galvanized steel make it a cost-effective solution over time.
Building and construction
Galvanized steel coil is widely used in roofing, siding, gutters, decking, and other construction applications. Its zinc coating offers protection against rusting, even in harsh outdoor conditions.
Vehicle components
Galvanized steel coil is used for manufacturing vehicle panels, chassis parts, wheels, and other automotive components due to its impact resistance and rust prevention properties.
Appliances
It provides sturdy support and rust protection for appliances like refrigerators, washing machines, and ovens.
Storage systems
Galvanized steel coil is ideal for shelving, containers, cabinets, and other storage systems, offering durability for long-term use indoors and outdoors.
Infrastructure
Lamp posts, railings, bollards, and other infrastructure components benefit from galvanized steel's resistance to corrosion, even in moist, chemical, and polluted environments.
Steels Grade of Galvanized Steel Coil
Commercial Steel (CS)
This steel consists of carbon with a level range of 0.04 percent to 0.10 percent and manganese with a level range of 0.2 to 0.6 percent. CS has a cold-rolled substrate with a fifty- to eighty-percent reduction before it undergoes galvanizing line processing. Commercial steel has three types of chemical compositions, such as CS Type A, CS Type B, and CS Type C.
Forming Steel (FS)
This steel has about 0.25 percent manganese and 0.04 to 0.06 percent carbon. FS is not as hard compared to CS due to its 60 to 80 percent cold reduction during processing, which makes it formable during application.
Structural Steel (SS)
SS has a carbon level range of 0.04 to 0.20 percent and a manganese level range of 0.4 to 1.6 percent. The steel sheet undergoes cold rolling for a fifty- to seventy-percent reduction. Structural steel has a yield strength of 33–80 ksi and passes the standard requirements for mechanical properties.
Surface Preparation: Cleaning and acid washing ensure the steel coil surface is free of impurities for optimal zinc adhesion.
Annealing: Steel is heated to improve ductility and structural stability.
Galvanizing: Steel is either dipped into molten zinc (hot-dip galvanized) or coated via electroplating (electro-galvanized steel coil).
Cooling and Finishing: Post-treatment processes like passivation, oil coating, or temper rolling enhance surface durability and handling.
Quality Inspection: Coating thickness, adhesion, and surface uniformity are checked before the coil is rolled and shipped. These checks ensure that galvanized steel coils meet both industrial standards and specific project requirements.
Service & Support
Customization: Tailored dimensions, coatings, and packaging.
Technical Assistance: On-site guidance for installation and fabrication.
Quality Assurance: Mill test certificates and third-party inspections available.
After-Sales Warranty: Up to 25 years against perforation corrosion (terms apply).
Global Logistics: Reliable shipping and doorstep delivery worldwide.
Certificates
Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea
FAQ
As one of the leading galvanized steel coil manufacturers and suppliers in China, we warmly welcome you to buy discount galvanized steel coil for sale here from our factory. All customized products are with high quality and competitive price. Contact us for free sample.
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