And hot rolled difference

1. The section of cold-rolled steel is allowed to appear local buckling, so that the bearing capacity of the rod after buckling can be fully utilized; The hot rolled section does not allow local buckling.

2. The causes of residual stress are different between hot rolled section steel and cold rolled section steel, so the distribution on the cross section is also very different. The distribution of residual stress on the section of cold-formed thin-wall steel is of bending type, while the distribution of residual stress on the section of hot-banded or welded steel is of thin film type.

3. The free torsional stiffness of hot rolled section steel is higher than that of cold rolled section steel, so the torsional resistance of hot rolled section steel is better than that of cold rolled section steel.

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Cold rolled strip is widely used, such as automobile manufacturing, electrical products, rolling stock, aviation, precision instruments, canned food, etc. Cold rolled sheet steel is the abbreviation of common carbon structural steel cold rolled sheet, also known as cold rolled sheet, commonly known as cold plate, sometimes mistakenly written as cold tied sheet. Cold plate is made of ordinary carbon structural steel hot rolled steel strip, after further cold rolling into a thickness of less than 4mm steel plate. Due to rolling at room temperature, does not produce iron sheet, therefore, cold plate surface quality, high dimensional accuracy, coupled with annealing treatment, its mechanical properties and process properties are better than hot rolled thin steel sheet, in many fields, especially in the field of home appliance manufacturing, has gradually replaced hot rolled thin steel sheet.

The steel described provides stamping, swing shearing, leveling, laser cutting, laser welding and strip processing, and we also have a professional logistics team to provide you with a full range of services.

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