发明名称 RAIL AND PRODUCTION METHOD THEREFOR
摘要 A rail provided by the present invention has: a prescribed chemical component; a Mn/Cr value being a ratio between the Mn content and the Cr content within the range of 0.30-1.00; at least 98 area% of the composition being bainite, in an area to a depth of 10 mm from a head contour surface comprising a head top section surface and a head corner section surface; and an average hardness of the area from the head contour surface to a depth of 10 mm that is within the range of 380-500 Hv.
申请公布号 CA2946541(A1) 申请公布日期 2015.12.03
申请号 CA20152946541 申请日期 2015.05.29
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 UEDA, MASAHARU;MIYAZAKI, TERUHISA;TANAHASHI, TAKUYA
分类号 C22C38/00;C21D8/00;C21D9/04;C22C38/54 主分类号 C22C38/00
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