Cold Rolled Sheet

Rolling is a kind of metal forming process; which uses a series of rollers to change shape, improve uniformity and enhance the mechanical properties of materials. Rolled steel can be divided into two types–hot-rolled steel and cold-rolled steel–which have different characteristics and are suitable for different applications. When selecting rolled steel materials for a project, it is important to understand the differences between the two types and how they affect their performance.

The main difference between hot-rolled steel and cold-rolled steel lies in their processing methods.
Hot-rolled steel is rolled above the recrystallization temperature of the material, while cold-rolled steel is rolled below the recrystallization temperature of the material. Cold-rolled steel is essentially hot-rolled steel and is further processed in cold-rolled materials. Different grades and specifications of steel can be hot-rolled or cold-rolled. The difference between cold-rolled steel and hot-rolled steel is mainly in the following aspects:

Surface quality: the edges and surfaces of hot rolled steel are often rough and need decarburization or other treatment before they can be used in subsequent production operations. In contrast, the surface of cold-rolled steel is usually bright and smooth and can be directly used in production operations.

Material hardness: the steel produced by cold rolling process has higher strength and hardness than that produced by hot rolling process.

Internal stress: the higher the strength and hardness of the material brought by the cold rolling process, the greater the internal stress. These stresses must be eliminated before processing the material; otherwise, the final part or product may warp.

In conclusion, when evaluating the steel selection of a project, it is important to keep in mind that some materials are more effective than others in some uses.
Knowing which steel provides the right performance for a particular application can prevent excessive spending on raw materials and save time in the long run.

The above table shows the common cold rolling models and specifications, each corresponding to different sizes and parameters. These specifications and models are widely used in metallurgy, mechanical manufacturing, construction, automobile manufacturing and other fields.

Cold rolled steel Sheet is widely used in the manufacturing of various types of metal products in the industrial field, such as automobiles, home appliances, machinery manufacturing, building materials, furniture and other fields, and has been widely used and recognized in product appearance, performance, material durability and environmental friendliness.

There are cold-rolled steel supplier companies all over the world, When choosing suppliers, be sure to choose reputable companies, such as Wanzhi Steel. As a leading manufacturer and sales company of iron and steel products in China, we have our own factory in Shandong Province and a professional service team in Zhengzhou, Henan Province. We have developed a professional Production team to produce CR steel with accurate size, beautiful surface and good mechanical properties. In addition, we have a strict quality control system.You can come to the scene to check your steel plate. Moreover, we are also subject to inspection by third parties. Not only that, we also have a full service system.

If you have any questions in receiving the goods, please feel free to contact us. We’ll call you back in 12 hours. Wanzhi Steel also offers a big discount for large orders.Welcome to call to inquire about the latest price.