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Galvanized Steel Coil

It is the cold roll coated with zinc which is dipped into the molten zinc bath, so that the surface is adhered to zinc. Galvanized coil greatly prolongs the service life and improves the oxidation resistance of the galvanized steel coil....

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Products Description

     It is the cold roll coated with zinc which is  dipped into the  molten zinc bath, so that the surface is adhered to zinc. Galvanized coil greatly prolongs the service life and improves the oxidation resistance of the galvanized steel coil.

     The galvanized coil is produced by a continuous galvanizing process in which a thin steel plate is immersed in a molten zinc bath to adhere a zinc-plated steel sheet to the surface. This steel sheet is produced by hot dip, but immediately after it is discharged, it is heated to about 500 ° C to form an alloy coating of zinc and iron. This galvanized roll has good adhesion and weldability of the coating. 

      After being galvanized, the steel coil is formed into a roll by hot pressing and cold pressing of the coil. For easy storage and transportation, it is easy to carry out various processing and can be processed into galvanized steel sheets and galvanized steel strips.

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Surface Treatment According To Customer

6.1 passivation

The passivation treatment of the galvanized layer can reduce the occurrence of rust (white rust) under the conditions of moisture storage and transportation. However, the corrosion resistance of this chemical treatment is limited and hinders the adhesion of most coatings. This treatment is generally not used in the zinc-iron alloy coating, except for the finishing surface, as a routine, the manufacturer has passivated other types of galvanized coatings.

6.2 Oiling

Oiling can reduce corrosion of steel plates under wet storage conditions, and the re-applied steel and steel strips after passivation will further reduce corrosion under wet storage conditions. The oil layer should be capable of being removed with a degreaser that does not damage the zinc layer.

6.3 Paint seal

By applying a very thin transparent organic coating film, an additional anti-corrosion effect, in particular fingerprint resistance, can be provided. Lubricity is improved during molding and acts as an adhesion to the underlying layer of the subsequent coating.

6.4 Phosphating

By phosphating, the galvanized steel sheets of various plating types can be coated without further treatment, except for normal cleaning. This treatment improves the adhesion and corrosion resistance of the coating and reduces the risk of corrosion during storage and transportation. After phosphating, it can be used with a suitable lubricant to improve the molding properties.

6.5 does not process

Only when the orderer asks for the unprocessed request and is responsible for it, the steel plates and strips supplied in accordance with this standard may not be subjected to surface treatment such as passivation or oiling or lacquer sealing or phosphating.


China's galvanized steel export status

Recently, the China Iron and Steel Industry Association learned that with the continuous promotion of production capacity, the capacity utilization rate of China's steel industry has been basically restored to a reasonable ranged. By Increasing the export position, relaxing export policy and providing government subsidies for galvanized steel coil export, he contradiction of heavy capacity overcapacity has been effectively alleviated.

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Inspection

1. Measure the package

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2. Open the package

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3. Measure the size

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4. Check zinc coating

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Transport & Loading

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Galvanized Steel Coil Manufacturer In China

(1). Management:

We use the software of management for sales .And we bring in the advanced technology to control quality and reduce cost of production.

(2)Excellent salesmen

We employed lots of experienced salesmen who can individually discuss with customers, introduce products, manage process of sales and production.

(3)Experience

We have exported our galvanized coil and other main products to all over the world, especially in Asia, Africa, South America and Ukraine.

(4)Good quality

We have been adhering to the principle of quality first to satisfy all kinds of customers' requirement.

(5).Service

We not only supply solutions of all questions from customers, but also give best advice to customers to suit their markets.


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    • E-MAIL: sales@supereal-group.com
    • Phone: +86-532-67756345
    • Fax: +86-532-82860084
    • 24 hours service: +86-139-6980-9032
    • Company: Supereal Enterprise Limited
    • ADDRESS: Industrial Park, Guanxian County, Shandong province, China

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    Supereal Enterprise Limited is a professional company engaged in the products of galvanized steel , galvalume steel, prepainted steel, steel roofing fiberglass roofing sheets and other building products. The production bases are Shandong Zhuoyu Steel Sheet Co.Ltd

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