--- title: Hot vs Cold Forming description: The process of rolling steel is more complicated than it might seem at first. 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Depending on the process used, different factors need to be considered. For example, cold rolling a part increases its brittleness which can cause it to break under the wrong conditions. When hot rolling, other factors need to be considered such as how to avoid or correct transformations in the material or thermal distortion. AT&F has a PhD metallurgist on staff due to the complexities of the work we do including hot and cold rolling. The first thing a metallurgist will do to determine whether to hot or cold roll is to find what code is required for the part and then the strain of the particular material being rolled. From there he can determine if hot rolling is required or if cold rolling is acceptable. 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