Galvanized Steel Coils

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Galvanized Steel Coils

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Galvanized steel coils are steel coils with a zinc coating formed on the surface of steel strips through continuous production line processing. During production, the surface is first purified through degreasing and pickling pretreatment, then a zinc layer is formed by hot-dip or electrolytic methods, and finally, the coils are formed through post-treatments such as thickness control and passivation.
The zinc layer significantly enhances corrosion resistance through physical barrier and electrochemical protection. Classified by process into hot-dip, electrolytic and other types. galvanized steel coils are widely used in construction, automotive, home appliance and other fields, combining the strength and weather resistance of steel.

Galvanized Steel Coil

Product NameGalvanized Steel Coil
Technical StandardASTM DIN GB JIS3302
GradeSGCC/SGCD or Customer’s Requirement
Thickness0.13mm-1.2mm
Width600mm-1250mm
LengthAs Customer
Type of CoatingHot Dipped Galvanized
Zinc CoatingZ30-275g/㎡
Surface TreatmentPassivation / skin pass / non-oiled / oiled
Surface StructureZero Spangle / Mini Spangle / Regular Spangle / Big Spangle
Inner Diameter508mm / 610mm
Coil Weight3-5 metric ton per coil
PackageStandard seaworthy package or customized
MOQ4 Tons




Galvanized Steel Coils Production Line

The galvanized steel coils production line is a continuous automated assembly line, with core processes including: uncoiling and welding (to connect steel strips and ensure continuous production), pretreatment (degreasing to remove oil stains, pickling to eliminate oxide scales), galvanizing (hot-dip method by immersing in a molten zinc bath, or electrolytic deposition of zinc layer), post-treatment (air knife for thickness control, cooling, passivation, oiling), and finally, finishing and coiling into steel coils.

Parameters are regulated by an automated system throughout the entire process, enabling efficient production of galvanized steel coils of various specifications.

Galvanized Steel Coils

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299980

+

Annual Output (tons)

49980

+

Total Land Area (㎡)

0

+

Exporting Countries

0

million

Annual Export Value ($)

Quality Control

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We have our own Physical & Chemical Testing Center Lab. to guarantee our product quality. Our test items & instrument fully meet international standards.

About Packing Details

1.Core Preparation & Inner Wrapping: A steel or paper core is first placed at the center of the coil. The coil is then wrapped with multiple layers of waterproof paper, VCI anti-rust paper, and plastic film to create a sealed moisture and rust-proof environment.

 

2.Outer Protective Layer Installation: The entire coil is fully enclosed with a galvanized steel sheet or pre-painted steel sheet to form a robust outer shell. Circular steel plates are installed on both ends of the coil for edge protection.

 

3.Multi-directional Strapping: High-tensile steel straps are used for multiple bands. Both circumferential and radial straps are applied to ensure the coil remains secure in all directions. Edge protectors are placed under the straps to prevent damage.

 

4.Pallet Securing & Marking: The packaged coil is placed on a wooden or steel pallet. It is then firmly secured to the pallet with steel straps, and a shipping mark with product information is affixed or printed on the package.

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