Hot-rolled steel refers to a manufacturing process where steel is heated above its recrystallization temperature and then rolled into the desired shape or thickness. This process is typically conducted at temperatures above 1700 degrees Fahrenheit (926 degrees Celsius).

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During the hot rolling process, the steel becomes more malleable, allowing it to be easily shaped and formed into various products such as sheets, bars, and structural components. As the steel is rolled, its grain structure is altered, resulting in improved mechanical properties such as increased strength and ductility.

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Hot-rolled steel products often have a scaled surface, caused by the oxidation that occurs during the heating process. This scale can be removed through processes such as pickling or abrasive blasting, depending on the desired finish of the final product.

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Overall, hot-rolled steel is widely used in industries such as construction, automotive, and manufacturing due to its cost-effectiveness, versatility, and favorable mechanical properties.

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Product Qualities

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S185JR, S235JR, S275JR, S355JR, DD11, DD12, DD13, DD14, DD15, S315MC, S355MC, S420MC, S460MC, S500MC, S550MC, S700MC