production and properties of hot-rolled and cold-rolled aluminum coils for sale Haomei aluminum

Today we are going to talk about the difference of production and properties of hot-rolled and cold-rolled aluminum coils. Now let's firstly start from the production perspective. The production process of aluminum coils begins with melting aluminum ingots and then adding metal elements to the molten aluminum. The mixture is then heated for 12-15 hours and flows into a crystallization pool where impurities are extracted. The top layer of impurities is then removed, and the mixture returns to the furnace for insulation heating at a temperature between 450-520 degrees for another 12-15 hours. After this, the mixture flows into the crystallization word, where the process for hot-rolled and cold-rolled aluminum coils differ.

Hot-rolled aluminum coils start pressing above the insulation heating temperature on the mill, while cold-rolled aluminum coils start pressing below the insulation heating temperature. This difference in pressing temperature results in different properties of the two types of aluminum coils.

Now let's talk about their properties. Hot-rolled aluminum coils have several advantages over cold-rolled aluminum coils. Firstly, they have higher corrosion resistance, which makes them suitable for use in harsh environments. Secondly, they have better plasticity, which means they can be easily shaped and formed into various shapes and sizes. Thirdly, they have better fatigue resistance, which means they can withstand repeated stress and strain without breaking. These properties make hot-rolled aluminum coils ideal for use in industries such as construction and transportation.

On the other hand, cold-rolled aluminum coils have their own set of advantages. They have a smoother surface finish, which makes them suitable for use in decorative applications. They also have higher strength and hardness, which makes them suitable for use in industries such as aerospace and electronics.

In conclusion, the differences between hot-rolled and cold-rolled aluminum coils are significant and depend on the production and properties required for a specific application. Both types have their own advantages and disadvantages, and the choice of type depends on the specific application. Aluminum coils are essential materials in many industries, and their demand continues to grow due to their versatility and durability. If you need to know more about hot-rolled and cold-rolled aluminum coils, please feel free to contact us. We welcome new and old customers from all walks of life to discuss business.