Full Hard Galvanized Steel Coil refers to a type of galvanized steel coil that has been cold-rolled to its full hard state. This means that the steel has been rolled to its maximum strength and hardness, making it more durable and resistant to damage. The galvanizing process involves coating the steel with a layer of zinc to protect it from corrosion and rust. Full Hard Galvanized Steel Coil is commonly used in construction, automotive, and industrial applications where strength and durability are important factors.
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Metal In China® offers a wide range of Full Hard Galvanized Steel Coil to meet your ASTM requirements with customer driven surface finish options including large spangle, small spangle, regular spangle and zero spangle. We support free customized size and OEM service, zinc coating thickness is in z20-z275, and provide supporting service from order to shipping.
Full hard galvanized steel coil refers to a type of galvanized steel coil that has undergone a cold-rolling process after being hot-dip galvanized. As a result of the cold-rolling process, the steel becomes stronger and more durable.
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As a galvanized steel supplier in China, at Metal in China® you can have more choices of spangle size, including large spangle, regular spangle, small spangle and zero spangle. You can also contact us to get free samples of various spangled galvanized steel sheets.
|Grade||Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S550GD，SGCC|
|Thickness||0.13-0.8mm,or customer's requirement|
|Width||600-1250mm, according to customer's requirement|
|Production Method||Cold Rolled|
|Surface Structure||Normal spangle, small spangle, large spangle, zero spangle|
|Surface Treatment||Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)|
|Standard||AISI, ASTM, BS, DIN, EN, GB, JIS|
|Coil Weight||3-8 tons or Customer’s Requirement|
|Edge||Mill Edge, Cut Edge|
Full Hard Galvanized Steel Coil is produced using a hot-dip galvanizing process where the steel is immersed in a bath of molten zinc to form a coating on the surface. The manufacturing process involves the following steps:
- Cleaning and Pickling: The steel is cleaned using a degreasing agent and then pickled in an acid solution to remove any rust or mill scale.
- Fluxing: The steel is then dipped in a flux solution to protect the surface from oxidation during the galvanizing process.
- Galvanizing: The steel is immersed in a bath of molten zinc at a temperature of around 450°C. The zinc reacts with the steel to form a series of zinc-iron intermetallic layers on the surface.
- Cooling: After galvanizing, the steel is cooled in a quench tank to solidify the zinc coating.
- Inspection: The final step involves inspection to ensure that the coating has formed uniformly and adheres to the steel surface.
Full Hard Galvanized Steel Coil may also undergo additional processing steps, such as temper rolling or skin passing, to improve its mechanical properties.
The special manufacturing technology of Full Hard Galvanized Steel Coil is the hot-dip galvanizing process, which ensures a uniform coating of zinc on the steel surface, providing excellent corrosion resistance and durability. The steel used in Full Hard Galvanized Steel Coil is typically low carbon steel, which offers good formability and weldability.
Full hard galvanized steel coil is widely used in various applications such as:
- Automotive industry: Full hard galvanized steel coil is used for the manufacturing of automobile parts such as body panels, chassis, and other structural components.
- Construction industry: Full hard galvanized steel coil is used for the manufacturing of roofing sheets, wall cladding, ducting, and other construction components.
- Appliances industry: Full hard galvanized steel coil is used for the manufacturing of home appliances such as refrigerators, washing machines, and air conditioning units.
- Electrical industry: Full hard galvanized steel coil is used for the manufacturing of electrical enclosures, cabinets, and other components.
- Furniture industry: Full hard galvanized steel coil is used for the manufacturing of furniture components such as frames, legs, and brackets.
- Packaging industry: Full hard galvanized steel coil is used for the manufacturing of packaging materials such as cans, containers, and drums.
- Agriculture industry: Full hard galvanized steel coil is used for the manufacturing of agricultural equipment such as fencing, gates, and other components.
Overall, full hard galvanized steel coil is a versatile material that finds its applications in various industries due to its durability, strength, and corrosion resistance properties.
Galvanized steel coils are typically packaged in a way that ensures their safety and protection during shipping and storage. Galvanized steel coils are typically shipped in coils with a weight of 3-5 tons. The coils are wrapped in a waterproof paper and then covered with a steel sheet to protect against damage during transportation. Galvanized steel coils may also be shipped in containers. The coils are loaded into the container and secured with steel bands to prevent movement during transportation. The container is then sealed and shipped to the destination.
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Regular Spangle Galvanized Steel Coil Stock in China