发明名称 |
Cooling method of hot-rolled steel strip |
摘要 |
The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%. |
申请公布号 |
US8414716(B2) |
申请公布日期 |
2013.04.09 |
申请号 |
US201013319600 |
申请日期 |
2010.05.13 |
申请人 |
SERIZAWA YOSHIHIRO;NISHIYAMA YASUHIRO;OGAWA SHIGERU;IDA SHINJI;NIKAIDOH HITOSHI;YOSHII ISAO;HISHINUMA NORIYUKI;KISHIMOTO TETSUO;TAKAGI NOBUHIRO;NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
SERIZAWA YOSHIHIRO;NISHIYAMA YASUHIRO;OGAWA SHIGERU;IDA SHINJI;NIKAIDOH HITOSHI;YOSHII ISAO;HISHINUMA NORIYUKI;KISHIMOTO TETSUO;TAKAGI NOBUHIRO |
分类号 |
C21D8/02 |
主分类号 |
C21D8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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