Galvanized steel is a type of steel that has been coated with zinc to prevent corrosion. Galvanized steel coils are made of high-quality steel substrates and processed by continuous hot-dip galvanizing.
The galvanizing process involves dipping steel strip into a bath of molten zinc. The zinc layer adheres tightly to the steel surface for excellent corrosion resistance and durability. The thickness of the galvanized layer can vary depending on the application of the galvanized steel coil.
Here are some important details about Galvanized Steel Coil:
- Galvanized steel coils of different thickness and width can be produced according to customer requirements.
- Galvanized steel coils can be produced in different grades of steel such as high strength low alloy (HSLA) steel, carbon steel and stainless steel.
- Galvanized steel coils are used in a wide variety of applications including automotive, construction, industrial and agricultural.
- Galvanized steel coil has good formability, weldability and paintability, making it a versatile material for a variety of applications.
- Galvanized steel coils can be pre-painted or additionally coated to enhance their performance in specific applications.
- Galvanized steel coils are an economical and sustainable option for many industries as they have a long service life and can be recycled at the end of their useful life.
1. Corrosion Resistance: Galvanizing is an economical and effective rust prevention method that is often used. About half of the world's zinc production is used for this process. Zinc not only forms a dense protective layer on steel surface, but also has cathodic protection effect. When the zinc coating is damaged, it can still prevent the corrosion of iron based materials through cathodic protection.
2. Good Cold Bending and Welding Performance: low carbon steel is mainly used, which requires good cold bending, welding performance and certain stamping performance
3. Reflectivity: high reflectivity, making it a thermal barrier
4. The Coating Has Strong Toughness, and the zinc coating forms a special metallurgical structure, which can withstand mechanical damage during transportation and use.
Galvanized Steel Coils are widely used in different applications across various industries. Here are some common applications for GI coils:
1. Construction: Galvanized steel coils are commonly used in the construction industry for the manufacture of roofs, walls, doors, windows and other building components. The galvanized coating has excellent corrosion resistance, making it a suitable material for outdoor applications.
2. Automotive: GI coils are used in the automotive industry to manufacture various components such as body panels, frames, and chassis. Its strength and corrosion resistance make it ideal for these applications.
3. Electrical: GI coils are also used in the electrical industry for the manufacture of switchgear, control panels and conduits. The galvanized coating provides resistance to rust and oxidation and also enhances electrical conductivity.
4. Agriculture: Galvanized steel coils are often used in the agricultural industry for the manufacture of agricultural equipment such as troughs, feeders, and barns. The coating protects the steel from rust and corrosion, making it suitable for outdoor use.
5. Household appliances: GI coils are used in the manufacture of household appliances, such as refrigerators, ovens, washing machines, etc. Galvanized coatings provide a durable and attractive finish that can withstand harsh environments.
6. Industrial: Galvanized steel coils are used to make various industrial components such as pipes, storage tanks and bridges. The coating provides excellent corrosion and weather protection, making it suitable for industrial applications.
Overall, GI coils are a versatile and durable material suitable for a wide range of applications in different industries.
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Product name |
Galvanized steel Coil |
| Galvanized steel Coil | ASTM,EN ,JIS ，GB |
| Grade | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,
SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer’s Requirement |
| Thickness | 0.10-2mm can customized accordingly your requirement |
| Width | 600mm-1500mm, according to customer's requirement |
| Technical | Hot Dipped Galvanized coil |
| Zinc Coating | 30-275g/m2 |
| Surface Treatment | Passivation, Oiling, Lacquer sealing, Phosphating, Untreated |
| Surface | regular spangle,misi spangle, bright |
| Coil Weight | 2-15metric ton per coil |
| Package | Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by
seven steel belt.or according to customer's requirement |
| Application | structure construction,steel grating, tools |
1. What are your prices?
Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contact
us for further information.
2. Do you have a minimum order quantity?
Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website
3. Can you supply the relevant documentation?
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.
4. What is the average lead time?
For samples, the lead time is about 7 days. For mass production, the lead time is 5-20 days after receiving the deposit payment. The lead times become effective when
(1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so.
5. What kinds of payment methods do you accept?
30% in advance by T/T, 70% will be before shippment basic on FOB; 30% in advance by T/T, 70% against the copy of BL basic on CIF.