DIN EN 13674-2-2006 轨道交通.轨道.钢轨.第2部分:46kg/m及以上(列车)的丁字形铁轨的转辙器和交叉铁路连接
Railway applications - Track - Rail - Part 2: Switch and crossing rails used in conjunction with Vignole railway rails 46 kg/m and above English version of DIN EN 13674-2:2006-08
The project specifies switch and crossing rails that carry railway wheels. These are used in conjunction with flat bottom symmetrical railway rails. Check rails that do not carry railway wheels are covered in Part 3. Eight pearlitic steel grades are specified giving a hardness range between 200-390 HBW. These steel grades are as rolled carbon manganese, alloy steels and heat-treated carbon manganese and low alloy steels. There are 24 rail profiles specified in this standard, but they may not all be available in all steel grades.