DIN EN 13674-1-2008 轨道交通.轨道.钢轨.第1部分:46 kg/m及以上的丁字形铁道钢轨
Railway applications - Track - Rail - Part 1: Vignole railway rails 46 kg/m and above (includes Amendment A1:2007); English version of DIN EN 13674-1:2008-01
This European Standard specifies Vignole railway rails of 46 kg/m and greater linear mass, for general and high
speed railway track usage.
Seven pearlitic steel grades are specified covering a hardness range of 200 to 390 HBW and include non heat
treated carbon manganese steels; non heat treated alloy steels; and heat treated carbon manganese and Iow alloy
steels.
There are 21 rail profiles specified in this Standard.
Two classes of rail straightness are specified, differing in requirements for straightness, surface flatness and crown
profile. Two classes of profile tolerances are specified.