Hot-rolled and cold-rolled sheets are two common forms of steel sheets, each produced through distinct manufacturing processes. The choice between hot and cold-rolled sheets depends on the specific requirements of the application, considering factors such as surface finish, dimensional accuracy, and mechanical properties.
Hot-rolled sheets are made by heating steel slabs above their recrystallization temperature and then rolling them through a series of rollers to achieve the desired thickness. These sheets have a rough surface and are typically less precise in terms of dimensions. They are known for their malleability and are often used in applications where thickness tolerances and surface finish are less critical.
Hot-rolled sheets are commonly utilized for structural components, construction, railway tracks, and general fabrication.
Cold-rolled sheets are manufactured by taking hot-rolled coils, subjecting them to a cold reduction process (rolling at room temperature), and then annealing the material for improved strength and finish. These sheets have a smoother surface finish and more accurate dimensions. They exhibit higher strength and hardness due to the cold-working process.
Common applications of cold-rolled sheets include precision engineering, automotive components, appliances, and applications where a smooth surface finish is crucial
For inquiries regarding our Hot & Cold Rolled Coils, including specifications and pricing, please don’t hesitate to get in touch with our knowledgeable team. We’re here to provide you with the support you need.
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