Galvanized Steel Coil
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- Product Description
-
Galvanized steel coil are coated with a layer of zinc on the surface, which can enhance corrosion resistance and durability, and can be selected in a variety of thicknesses and widths. Exhibits excellent formability, uniform mechanical properties and smooth surface finish in applications. It is widely used in construction, automobile, home appliance and industrial industries. Meet the national standards ASTM, EN, JIS, etc., and the products can be customized according to the needs to provide one-stop solutions.
Galvanized Steel Coil Specification
Material
Steel, Zinc Alloy
Standard
SGCC, ASTM A653/653M, ASTM A36, JISG302, etc
Grade
DX51D, DX52D, DC51D, DX54D, SGCC, SGCD, SECC, etc
Thickness
0.12-3.50mm
Width
100-1250mm
Zinc Layer
30-275g/㎡
Inner Diameter
508/610mm
Coil Weight
3-4tons, 4-6tons or according to customer requirements
Spangle
no spangle, minimized spangle, maximum spangle, regular spangle
Surface Treatment
oiled, passivated or chrome-free passivated, passivated + oiled
MOQ
None
Delivery Time
In stock Package
Standard export package
Galvanized Steel Coil Use
Construction: Roofing sheets, wall panels, structural components, gutters, and downpipes.
Automotive: Car body panels, chassis components, and automotive parts requiring rust protection.
Appliances & Electronics: Washing machines, refrigerators, air conditioners, and other home appliances.
Industrial Applications: Storage tanks, ducts, fencing, and pipelines.
Furniture & Outdoor Equipment: Metal furniture, shelves, and playground or garden structures.
Features of Galvanized Steel Coil
Galvanized steel coils have the advantages of corrosion resistance, high strength, smooth surface, easy to cut, bend and form, and can ensure the versatility of applications in various industries, with reliable and long-lasting performance.
Galvanized Steel Coil Process
1. Pickling: The steel coil to be galvanized is put into the acid solution for pickling, mainly to remove oxides, oil stains and rust on the surface of the steel to ensure the galvanizing effect.
2. After cleaning and pickling, rinse the surface of the steel coil with water to remove residual acids and chloride ions and other harmful substances.
3. Pre-treatment: Put the cleaned steel coil into the pre-treatment tank, which will form a protective film on the surface of the steel, thereby enhancing the combination of the steel coil and the zinc solution and greatly improving the coating quality.
4. Baking: After pretreatment, it is dried for subsequent galvanization process.
5. Zinc dipping: The baked steel coil is immersed in molten zinc to form a zinc layer to avoid corrosion of the steel coil, and adjust the galvanization time and temperature according to the demand to achieve the required quality.
6. Cooling: After the galvanization process, wait for the steel coil to cool down to make the zinc layer solidify quickly.
7. Crimping: After cooling, the galvanized steel coil is crimped and tested for quality, mainly including coating thickness, adhesion and uniformity.
Galvanized Steel Coil
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