This part of EN 13674 specifies flat bottom symmetrical railway rails of 46 kg/m and greater linear mass, for general and high speed railway track usage. Seven pearlitic steel grades are specified giving a hardness range between 200-390 HBW. The rails are either non heat treated carbon manganese or alloy steel, or heat treated carbon manganese or low alloy steel. There are 21 rail profiles specified in this Standard. Two rail classes are specified, differing in requirements for straightness, surface flatness and crown profile. Three classes of profile tolerances are specified.
DIN EN 13674-1-2003由德国标准化学会 DE-DIN 发布于 2003-12,于 2008-01 废止。
DIN EN 13674-1-2003 在中国标准分类中归属于: S11 线路构件,在国际标准分类中归属于: 45.080 钢轨和线路构件,93.100 铁路建筑。
DIN EN 13674-1-2003 由 DIN 5901-1995 变更而来。
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