Galvanized Steel Coil

 China Galvanized Steel Coil Manufacturer & Supplier

Galvanized steel is defined as a steel sheet with zinc coated on both sides, customers required the galvanized steel coil with different zinc coated like G-90, G-60, G-40, and G-30. Many customers also demand hot dipped galvanized steel coil and electro galvanized steel coil. The galvanized steel coil is a kind of very popular material that customers always required DX51D grade. We cooperate with many galvanized steel coil manufacturers in our market and galvanised steel coil factory, we always can supply the best galvanized steel coil prices.

Galvanizing is a process of coating steel with a thin layer of zinc, which serves as a barrier between the steel and the elements. The steel is dipped into a molten bath of zinc, which creates a metallurgical reaction that forms an alloy coating. This coating, or barrier, provides superior corrosion protection from harsh environmental conditions.

We can help you choose the ideal galvanized steel for your application based on the fabrication method and type of environment in which the steel will be used.

Manufacturing Processes & Equipment.

QQ图片20231028200814High Speed Continuous Galvanizing Line

Continuous Galvanizing Line

Spangle of the Galvanized Steel Coil

Spangle is formed during the hot-dip galvanizing process. The size, brightness, and surface of spangles mainly depend on the composition of the zinc layer and the cooling method. According to the size, it includes small spangles, regular spangles, big spangles, and free spangles. They look different, but the spangles almost will not influence the quality of galvanized steel. You can choose according to your preference and use purpose.


(1)Spangled galvanized steel sheet is the spangle obtained by the condensation of the zinc coating under normal conditions after galvanizing. It is mainly used in buildings and other places where there is little direct contact with the human body.

(2)Galvanized steel sheets without spangles are mainly produced through a special production process to control the lead in the zinc pot to a certain level, or after the strip steel is out of the galvanized pot, it undergoes special treatment to control the spangles to less than a certain level. Mainly used in home appliance housing.

Quick Details of Galvanized Steel Coil


Application Field Examples
The electrical appliance industry Air conditioner, Computer chassis, Plate for refrigerator, Outer shell of washing machine, kitchen fittings, The freezing chamber device
The building industry housetop, Lateral wall, doors and windows, gutter, Shutter doors and windows, Wall frame , Ceiling joist, ventiduct
The agricultural and pastoral Granary, silo, animal house, trough, flume, Greenhouse trellis, Baking equipment;
The transport railroad: The roof of the train, The internal frame of train, The road sign, The inner walls of the train; shipping: container, cold-formed-walled; aviation: hangar, scutcheon; road: Highway guardrail, Soundproof wall
The equipment and structure radiator, cold roll-formed , Pedals and rack


1.Construction and building: roofing, interior and exterior wall panels, the surface sheet of the balcony, ceiling, partitioning walls, windows and doors, gutter, barn, sound insulation wall, etc..
2.Further processing: coating base plate.
3.Electric appliance: refrigerator; washing machine; recorder; microwave, etc.
4.Furniture, such as wardrobe, locker, radiator, lampshade, table, bed, bookcase, shelf, etc
5. Transportation:decorative panels of cars, decks of trains or ships, containers, road signs, etc.

Packing & Delivery


Standard Export Packing:
Galvanized metal fluted rings on inner and outer edges
Galvanized metal and waterproof paper wall protection disk
Galvanized metal and waterproof paper around circumference and bore protection
About the sea worthy packaging: extra reinforcement before shipment to ensure that the goods are safer and less damaged to customers.

Order Guide -How to Choose Galvanized Steel Coil?

Please refer to the instructions mentioned below in order for you to select the products appropriate to your final usage when you place an order. W
It is important for you to select specific size appropriate for your final usage when you place an order for a product. In addition, since there are various grades of products which you can choose from even in case of a product for commercial use, please consult with us when you place an order.
- Surface treatment
Please select a post-treatment method of the product after the surface treatment and a surface treatment method appropriate to a condition under which the final products is used referring to the relevant catalog.

- Post Treatment
Cr-treated or Cr-free treated materials for a post-treatment is effective in preventing any white rust from the surface of a galvanized steel sheet.

- Coating Weight
Please select a proper coating weight according to the targeted durable life-span of the coating weight and consider the conditions of usage, processing and the final product as well. A post-plating treated product is better under the environment that cause some corrosion, on the other hand, a foil plating method is better for a product requiring good formability and weldability.

Factory Views



Why choose us?

- Are you looking for a steel supplier from China? If so, please contact us, we are a team of experts that always can supply the best as our customers requirements.

- We are the best because we cooperated with many multi-disciplined design and manufacturing companies in our domestic place. We are known since 20 years ago for supply all kinds of steel products.

- Since we are one of the most versatile steel supplier in Tianjin, China, multiple industries are availing our services. We promise to deliver them unparalleled quality from our competition. 

- In addition, we can supply metal steel customized based on the customers’ requirements and drawings, our reputed company takes pride in offering the best range of products to our clients all over the world. 

- Our steel supply cost is affordable because we analyze material, process, and everything else before quoting a price. Different industries that take our services include mining, forestry, energy, agriculture, and more.

- Our team’s extensive experience and the technology we use help us meet and exceed our client’s expectations. So, if you are interested in getting services from us, contact us now.

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