Hot rolling method of cold-rolled low-carbon low-silicon non-oriented electrical steel
A technology of oriented electrical steel, low-carbon and low-silicon, applied in metal rolling, temperature control, etc., can solve the problems of high cost, long development cycle, restrictions on the production and promotion of cold-rolled low-carbon, low-silicon non-oriented electrical steel, etc. Achieve the effect of stable rolling state, ensure electromagnetic properties, and meet the requirements of grain size and texture
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[0021] In the non-oriented electrical steel production line of a certain factory, the engineering test of cold-rolled low-carbon and low-silicon non-oriented electrical steel was carried out according to the hot rolling method of the present invention, and other processes except hot rolling were implemented according to existing requirements.
[0022] Specifically, its finishing rolling unit is a six-stand finishing rolling unit capable of achieving six passes of finishing rolling, and the temperature range of starting rolling is the same as that of the existing ones. The above three consecutive passes are respectively the fourth from last, third from last and last In the second pass, the forced cooling is cooled by cooling water.
[0023] Limited by the performance of specific equipment, in order to ensure that the starting rolling temperature meets the requirements and the processing capacity of each pass before the penultimate pass, and the slab can be directly cooled by for...
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