What Is The Difference Between Hot Rolled Steel And Cold Rolled Steel For Integrated Cabinet Steel?



Outdoor integrated cabinets are mainly used in communication base stations. There are many materials for integrated cabinets. Today, the cabinet air conditioner manufacturer hop technology will show you the difference between hot-rolled steel and cold-rolled steel for outdoor integrated cabinets.

1. Appearance and surface quality:

Since the cold plate is obtained by the hot plate after the cold rolling process, and cold rolling will also carry out some surface finishing, the surface quality of the cold plate (such as surface roughness) is better than that of the hot plate, so if the product is If there are higher requirements for coating quality such as subsequent painting, cold plates are generally selected, and hot plates are divided into pickled plates and unpickled plates. The surface of the pickled plates becomes a normal metallic color due to pickling, but not Therefore, the surface of the cold rolled plate is still not as high as the cold plate. The surface of the unpickled plate usually has an oxide layer, blackening, or a black iron tetroxide layer. In layman's terms, it's like it's been grilled on fire, and if the storage environment is not good, it will usually have some rust.

 
2. Performance: Under normal circumstances, the mechanical properties of the hot plate and the cold plate are considered to be the same in the engineering, although the cold plate has a certain degree of work hardening during the cold rolling process, (but it does not rule out the strict requirements on the mechanical properties , Then it needs to be treated differently), the yield strength of the cold plate is usually slightly higher than that of the hot plate, and the surface hardness is also higher, depending on the degree of annealing of the cold plate. However, the strength of annealed cold plate is higher than that of the hot plate.
 

3. Forming performance. Since the performance of cold and hot plates is basically not too different, the influencing factors of formability depend on the difference in surface quality. Since the surface quality is better from cold plates, usually steel plates of the same material are used. , The forming effect of the cold plate is better than that of the hot plate.

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