Hot Rolled Sheet Metal Properties

They may be bent flat on themselves in any direction at room temperature without cracking on the outside of the bent portion.
Hot rolled sheet metal properties. Hot rolled sheets hot rolled sheets are produced from low carbon rimming capped or semi killed steel and are intended for uses involving simple bending or moderate drawing and welding. Hot enough to handle hot rolled steel is malleable and perfect for industrial applications such as structural beams rail tracks and sheet metal. When galvanized it is also regularly used in applications where corrosion resistance is a necessity. Continuous rolling gives the desired final shape a metal sheet 3 mm and upwards or profile.
Due to the high temperature the surface of hot rolled steel produces a layer of oxidation sheet thus has certain corrosion resistance can be stored in the open air. As it is easy to form metal in high temperatures without any extra delays it is possible to produce it in larger quantities than cold rolled steel. The steel cools at room temperature. The properties that are exclusive to the hot rolled steel manufacturing process include the following.
Hot rolled steel has a blue gray appearance and a rough feel once it completes the rolling process and will remain malleable and soft. However as an example the below chart features the chemical properties of 1018 steel and the key differences. Most of the steel is rolled in hot rolled. Hot rolled steel sheet plate hot rolled steel sheet and plate provides a rougher surface than cold rolled steel and plate.
Hot rolled end temperature is 800 900 generally cooling in the air so hot rolling state is equivalent to normalizing treatment. This keeps the market price of hot rolled steel lower. For that reason it is never safe to make assumptions about the mechanical properties of hot rolled vs cold rolled unless they are the same grade. High strength and highly formable hr steel sheet and plate is also easy to drill form and weld.