The decrease in material thickness causes the material to elongate. Hot Steel Rolling Mill Plant. In the semi continuous hot strip mill, the roughing mill consists of usually one or two roughing stands in which the slab is hot rolled reversibly. Larger sheets could be produced at lower cost and this reduced cost and enabled tinplate and steel sheet to be used for more purposes. Regular inspections and maintenance form the basis for safeguarding the efficiency of your equipment. When space is available in the furnace, the pusher arms push the slab into the furnace. Controlled rolling is a type of thermomechanical processing which integrates controlled deformation and heat treating.
Other methods of compensating for roll deformation include continual varying crown CVC , pair cross rolling, and work roll bending. Cold rolled steel is then annealed to induce ductility in the cold rolled steel which is simply known as a Cold Rolled and Close Annealed. The friction at the interface between the material and the rolls causes the material to be pushed through. For the factory, see steel mill. Always at your side. The disadvantage to this system is the workpiece must be lifted and lowered using an elevator. Retrieved from " https:
Primetals to modernize hot strip mill of Severstal
Typical uses for cold-rolled steel include metal furniture, desks, filing cabinets, tables, chairs, motorcycle exhaust pipes, computer cabinets and hardware, home appliances and components, shelving, lighting fixtures, hinges, tubing, steel drums, lawn mowers, electronic cabinetry, water heaters, metal containers, fan blades, frying pans, wall and ceiling mount kits, and a variety of construction-related products. Production planning and scheduling for all production units in the plant. General plant services include a full site maintenance contingent, a waste water treatment plant, medical services facility, and corporate offices. Other typical uses for hot-rolled metal :. Lubrication is often used to keep the workpiece from sticking to the rolls.
Hot Strip Mills
Description: Also, one could have fairly high crown or wedge, but still produce material that is flat. Archived from the original on 15 November This is done in a gas- or oil-fired soaking pit for larger workpieces; for smaller workpieces, induction heating is used. Strip temperature tracking already starts at the roughing mill exit. Journal of Process Control.