Cold Rolled Steel Sheet in Coil

Cold rolled steel sheet in coil Steel is produced by the cold rolling process. Compared with hot rolled coils, it has higher surface quality and dimensional accuracy and is widely used in automobiles, home appliances, electronics, and construction.

Excellent surface quality: After cold rolling and fine processing, the surface has high smoothness, no oxide scale, and good flatness, which can meet the high surface quality requirements of applications such as home appliance shells and car panels.

High dimensional accuracy: Small thickness tolerance and good dimensional stability.

Good processing performance, good flatness, and excellent surface quality.

In bending and deep drawing processes that require toughness and ductility, cold-formed steel grades can be prioritized.

Continuous annealing production method: The unit is mainly composed of laser welding machine, transmission roller, continuous annealing furnace, six-roller leveling machine, etc., which can produce 8 categories and more than 100 products of different grades.

The laser welding machine connects and welds the head and tail of the steel strip to achieve the purpose of continuous production. The surface of the steel strip is cleaned and degreased to remove the residual oil on the surface of the steel strip.

The transmission roller adjusts the length of the steel strip by moving up and down, stores the steel strip, and ensures continuous production.

After the steel strip enters the continuous annealing furnace area, it goes through 8 processes, such as preheating, heating, uniform temperature heating, slow cooling, and fast cooling to restore the plasticity of the steel strip.

The leveling machine leveled the annealed steel strip, and after subsequent processes such as disc shearing and oiling by the oiling machine, it was rolled out and packaged into the finished product of cold rolled steel sheet in coil storage area.

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