Cold rolled steel is a process by which steel is roll pressed at room temperature. Generally, the temperature for hot rolled steel exceeds 1700☏. Hot rolled steel is mill process by which the steel is roll pressed at a high temperature. Most steel products are manufactured in two primary ways: hot rolling or cold rolling. Differing steel grades provide several unique properties such as tensile strength, ductility, malleability, durability, and thermal and electrical conductivity.ĭifferences between Hot Rolled Steel and Cold Rolled Steel Small amounts of other alloying materials such as chromium, manganese or tungsten are also added to produce many more steel grades.
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