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Hot-rolled steel plate is a type of steel product that is manufactured by passing a slab of steel through a series of rollers at high temperatures. This process, known as hot rolling, results in a plate with a rough surface texture and specific dimensions.

During hot rolling, the steel is heated to extremely high temperatures, typically above 1700 degrees Fahrenheit (926 degrees Celsius), which makes it more malleable and easier to shape. As the steel passes through the rollers, it is gradually reduced in thickness and elongated in length, resulting in a thinner and longer plate.

Hot-rolled steel plates are commonly used in various industries for structural applications, including construction, shipbuilding, automotive manufacturing, and machinery production. They offer advantages such as high strength, good formability, and relatively low cost compared to cold-rolled steel plates. However, the surface finish of hot-rolled steel plates is rougher compared to cold-rolled plates, and they may require additional processing or finishing for certain applications.