Hot dip galvanized steel coils have a rough appearance and a darker color, generally presenting a silver white color. Due to the influence of the manufacturing process, water streaks and droplets may appear on the surface. But its coating has strong adhesion and long service life. Cold galvanized steel coils have a smooth and bright appearance, and can be color passivated as needed to present different colors. But its coating is relatively thin and the anti-corrosion time is relatively short.

Hot dip galvanized steel coils are commonly used in fields that require high corrosion resistance and strength, such as marine engineering, chemical engineering, shipbuilding, aerospace, etc., due to their excellent anti-corrosion performance and strength. In these fields, hot-dip galvanized steel coils can effectively resist the erosion of materials by harsh environments. Cold dip galvanized steel coils are commonly used in fields such as construction, home appliances, automobiles, and light industry. Although its anti-corrosion performance is not as good as hot-dip galvanized steel coils, its cost is relatively low and it can meet the anti-corrosion requirements in general environments.

Galvanized steel coil refers to a layer of zinc metal coated on a steel plate to achieve anti-corrosion and aesthetic effects. This category usually includes hot-dip galvanized steel coils and cold-dip galvanized steel coils, but when referring to galvanized steel coils, it mostly refers to cold-dip galvanized steel coils. Hot dip galvanized steel coil is a special type of galvanized steel coil, whose galvanizing process involves heating the original steel plate to a certain temperature and immersing it in molten zinc solution for galvanizing treatment. This method forms a thick layer of zinc alloy on the surface of the steel plate.

The application scope of galvanized steel coils continues to expand, and there are also multiple well-known brands of galvanized steel coil products on the market, such as Baosteel, Wugang, Shagang, etc. These brands of galvanized steel coils have reliable quality and excellent performance, and have a high level of popularity and market share in the market. The galvanized steel coil market also faces some challenges, such as price fluctuations and intensified market competition. Therefore, when choosing galvanized steel coils, it is necessary to select suitable brands and models based on one's own needs and project requirements, and pay attention to market dynamics and price changes.

Galvanized steel coils are commonly used for components in building structures, such as beams, columns, purlins, as well as for building roofs, walls, and other areas. Its excellent anti-corrosion performance can protect building materials from corrosion by the atmosphere and water. Galvanized steel coils are also widely used in automobile manufacturing, such as manufacturing car bodies, doors, engine covers, and other components. Its corrosion resistance helps to extend the service life of automotive components.