The characteristics of

1, low energy consumption, good plastic processing, low deformation resistance, work hardening is not obvious, easy to roll, reduce the energy consumption required for metal deformation.

2, hot rolling usually adopts large ingot, large pressure rolling, fast production pace, large output, so as to create conditions for large-scale production.

3. The cast structure is transformed into the processed structure by hot rolling, and the plasticity of the material is greatly improved by the transformation of the structure.

4. The characteristics of rolling mode determine the anisotropy of the rolled sheet performance, one is the longitudinal, transverse and high direction of the material has obvious performance differences, the other is the existence of deformation texture and recrystallization texture, there is obvious directionality in the punching performance

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Hot rolling steel plate products have high strength, good toughness, easy processing and forming and good weldability and other excellent properties, so the north is widely used in ships, automobiles, Bridges, construction, machinery, pressure vessels and other manufacturing industries. Hot continuous rolling steel plate products, a wide variety of steel specifications, a wide range of uses, from the general engineering structure to the automobile, bridge, ship, boiler pressure vessel and other manufacturing, have been widely used. All kinds of different uses, the material performance of steel plate, surface quality and size, shape accuracy and other requirements are also different, therefore, must be on the hot rolled steel plate products variety, material, characteristics and use of some understanding, in order to achieve economic and rational use.