METHOD FOR CONTINUOUS STEEL CASTING
Provided is a method for continuously casting steel capable of reducing center segregation that occurs in a slab.In the method for continuously casting steel according to the present invention, in a section in a continuous casting machine in a slab withdrawal direction, a section from a start point...
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| creator | KOKUFU Sho SUGIHARA Hirokazu MATSUI Akitoshi OSUKA Kenichi FUKUDA Hiroyuki IRIE Shuhei UEOKA Satoshi ARAMAKI Norichika |
| description | Provided is a method for continuously casting steel capable of reducing center segregation that occurs in a slab.In the method for continuously casting steel according to the present invention, in a section in a continuous casting machine in a slab withdrawal direction, a section from a start point at which the average value of solid phase ratios along a thickness direction at a widthwise center of a slab 18 is within a range of 0.4 or more and 0.8 or less to an end point at which the average value of solid phase ratios along the thickness direction at the widthwise center of the slab is greater than the average value of solid phase ratios at the start point and is 1.0 or less is set as a first section, and the slab is cooled by water in the first section at a water flow rate per surface area of the slab within a range of 50 L/(m2×min) or more and 2,000 L/(m2×min) or less. |
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| subjects | CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING |
| title | METHOD FOR CONTINUOUS STEEL CASTING |
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