The hot rolling process is the reduction of slab thickness, done after reheating to soften the steel to make it more workable through enormous pressure applied by stands of rolls in the rolling mill. After rolling, the hot rolled product is typically wound into a coil, where it can be sold as is or further processed into cold rolled or coated coil. The true classification of flat rolled products as either sheet or plate depends on the thickness of the product; under 3/16 of an inch thick is considered sheet, while over 3/16 of an inch is classified as plate. Flat rolled coils can be processed into sheets.
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