发明名称 HOT ROLLED STEEL SHEET AND PRODUCTION METHOD THEREFOR
摘要 PROBLEM TO BE SOLVED: To provide a hot rolled steel sheet both ends of which have excellent adhesiveness to scale and which has excellent appearance, and a production method therefor.SOLUTION: There is provided the hot rolled steel sheet which has a predetermined chemical component, and in which scale thickness in each area from both ends in a sheet width direction of the steel sheet to 100 mm is 3% to 40% thicker than that of a central part in the sheet width of the steel sheet and composition of the scale in each area from both ends in a sheet width direction of the steel sheet to 100 mm satisfies Fe:5 vol.% to 25 vol.%, (Fe, Mn)O:0 vol.% to 5.0 vol.%, FeO:0 vol.% to 5 vol.%.SELECTED DRAWING: None
申请公布号 JP2016060955(A) 申请公布日期 2016.04.25
申请号 JP20140191692 申请日期 2014.09.19
申请人 KOBE STEEL LTD 发明人 NAKAKUBO SHOHEI;TAKEDA MIKAKO;OMURA KOSABURO;TERAOKA TAKASHI
分类号 C22C38/00;C21D8/02;C21D9/46;C22C38/06;C22C38/58 主分类号 C22C38/00
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