Technique for CSP sheet billet production line cold rolling feeding
A process method and production line technology, applied in the field of metallurgical steel rolling
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[0012] The present invention aims at the low-carbon steel produced by the CSP conventional process, which is easy to generate cementite at the ferrite grain boundary and the reduction rate of the roughing mill is too small, resulting in fine grains, which is not conducive to the subsequent processing requirements. The coiling temperature and The rolling reduction rate was optimized by process parameters. In terms of coiling temperature, a large number of comparative tests were carried out on the room temperature microstructure of low carbon steel with different coiling temperatures, and combined with the actual working capacity of the laminar cooling line to find out the optimized cold-rolled feeding material coiling temperature process parameters. The main improvements are: breakthrough The production of low-carbon steel by CSP conventional process generally adopts a high-temperature coiling process plan higher than 670°C, and implements coiling at a lower temperature of about...
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