Cold-rolled automotive sheets are developing towards ultra-deep drawing

Silicon steel, also known as silicon steel, is an iron-silicon alloy developed on the basis of industrial pure iron.

With the development of my country's electric power industry and the continuous deepening of the construction and transformation of urban and rural power grids, amorphous alloy core transformers, with their obvious advantages of low no-load loss, energy saving and environmental protection, are in line with the "saving resources and protecting the environment" advocated by the Chinese government.

With the development of modern technology and economy, cars have changed from a symbol of wealth to a travel necessity for every household.

With the continuous development of the global automobile industry and the deepening of the concept of environmental protection, lightweighting has become an important trend in the development of the automobile industry. In this context, cold-rolled automotive steel, as an important lightweight material, is gradually receiving widespread attention and application.

Performance of silicon steel sheet 1: The silicon steel sheet is required to have low iron loss. Low iron loss of silicon steel sheets is an important indicator of the quality of silicon steel sheets.

Cold rolled steel coils have a better finish and are more durable than hot rolled steel. Cold rolling is a process where steel is rolled at room temperature, below its recrystallisation temperature. Although cold rolled steel coils are superior to other coils, they are more difficult to handle due to their higher carbon content.

As we have said before, there are many different industries that use sheet metal, whether it is stainless steel, thin aluminium strip or copper and brass, here are some of the industries that use this material on a regular basis.

The cold rolled coil is made of hot rolled coil. In cold rolled process, the hot rolled coil is rolled below the recrystallization temperature, and the generally rolled steel is rolled at room temperature. Steel sheet with high silicon content has low brittleness and low plasticity, and needs to be preheated to 200 °C before cold rolling. Since the cold rolled coil is not heated during the production process, there are no defects such as pitting and iron oxide which are often found in hot rolling, and the surface quality and the finish are good.