Chemical reduction of the iron ore mineral with the help of an integrated steel manufacturing process results in the production of the steel metal. It may also be produced through a direct reduction process. It involves the process of converting the iron ore from the blast furnace to steel in an oxygen furnace that is basic in nature also known as a Basic Oxygen Furnace (BOF). This process results in mixing iron with carbon at extremely high temperatures. The temperature for this manufacturing process may vary but the average temperatures range anywhere north of 2600 degrees Fahrenheit.
Steel profiling with the desirable cross-sections comprises the following four processes:
The material drawn in the cold drawing process is at room temperature. This improves the size, section and surface finish of the component and reduces machining losses.
Special steel profiles having a constant longitudinal cross-section can be formed through the production process of hot extrusion. The force that acts in the metal forming process is called the compression force. Profiled hollow material bars that have a fixed cross-section and complex geometries can be made in a single step through this process.
The process of cold rolling is defined as an approach that involves a metal sheet or strip passing through two rollers and compressed or squeezed in between them. The amount of pressure applied by the rollers will determine the tensile properties and hardness of the finished material.
This process involves plastically deforming the metal by heating it above the recrystallization temperature before the rolling or working operation. Various shapes may be created with the desired material properties and geometrical dimensions keeping a constant volume of the metal used.
Special profiles and cross-sections have a plethora of applications in the following industries:
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