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Hot rolled steel sheet

Views: 2     Author: Site Editor     Publish Time: 2020-12-08      Origin: Site

hot rolled steel sheet

We could supply you hot rolled stainless steel plate with thickness3-100mm thickness

Hot rolling involves the production of sheet metal from billets by passing the steel through rollers while above its recrystallization temperature to desired physical dimensions. Multiple passes through the rollers may be necessary to produce the final dimensions.

Hot working is more widely used compared to cold working because it needs less force and energy. It is used in compressive forming methods like rolling, extrusion, forging, etc.

Hot rolled steel plate and cold rolled steel plate

By definition, ingots or billets are difficult to deform and process at room temperature. Generally, they are heated to 1100-1250 ℃ for rolling. This rolling process is called hot rolling. Because of the high temperature of the hot rolled plate, the deformation resistance is small and the large deformation can be realized. Taking the rolling of steel plate as an example, the thickness of continuous casting slab is generally about 230mm, and the final thickness is 1 ~ 20mm after rough rolling and finishing rolling. At the same time, because the width thickness ratio of steel plate is small and the requirement of dimension accuracy is relatively low, the shape problem is not easy to appear, and the control of convexity is the main way. The microstructure and mechanical properties of the strip are generally controlled by controlling rolling and cooling, that is to say, controlling the opening rolling temperature, finishing rolling temperature and rolling temperature.

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