The difference between metal plates and metal plates can be defined by thickness. If the thickness of the metal is 6/6 inches (<>millimeters) or greater, it is considered a plate. Plate thickness is usually measured in inches. If the thickness is less than<>/<>inches (<>millimeters), it is considered a sheet material. Sheets are usually measured in meters. However, it is not uncommon to see additional measurements of metal plates and plates in millimeters.
Sheet and Plate Production
When the molten metal leaves the blast furnace, it is continuously cast into steel billets and slabs. Billets are usually used to form bars and wires, while slabs will be used to produce plates and sheets. The thickness of the slab exiting the casting process usually exceeds 4 inches. In order to manufacture usable metal plates or plates, it is necessary to reduce this thickness.
To reduce and most importantly, to standardize the thickness of the entire length of metal products, the metal is rolled, whether hot or cold. If a metal is rolled during hot rolling (above its recrystallization temperature), it is called hot rolling. The metal is fed through a drum, which gradually reduces the thickness of the metal until it reaches the required thickness. This thickness can be as low as 11 thousand inches.
If the thickness of the final metal product exceeds 6/<>inches (<>millimeters), it is called a metal plate and is part of the structural metal family. Any product thinner than this is considered sheet metal.
When the material needs to increase strength or requires very precise thickness, cold rolling is carried out. The thickness reduction of each cutting process is lower than that of hot rolling, so cold rolling takes longer than hot rolling.
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