A steel plate is also called a coil.
The roll is like a toilet paper. (Describe is not very appropriate)
Coil to use when the need to use flattened machine stretched into a flat use.
Steel Coil The use of a lot of refrigerators, refrigerators, washing machines, household appliances, and other industries are wrapped around the coil.
The use of steel is also seen everywhere aircraft, artillery, trains, ships, space shuttles, spacecraft, cars and so on.
Steel plate through mining - sintering - iron - melting - forming.
Steel plate is divided into a variety of general board, low alloy, boiler plate, Steel Coil container board, high strength plate and so on.
The roll is mainly hot rolled and cold rolled. The hot rolled coil is a processed product before the billet is recrystallized. Cold rolled coils are the subsequent processing of hot rolled coils. The weight of the coil is about 15-30T. This year, China's hot-rolled production capacity has been expanding, Steel Coil there are dozens of hot-rolled production lines, there are some projects to be opened or put into operation.
Rolled coil rolled mainly for large customers, the general user does not open the volume of equipment or limited use. So the subsequent processing of the coil will be very promising industry. Of course, Steel Coil the current relatively large steel mills have their own open and flat items.