规定了钢轨焊接的性能要求和试验。给出了闪光对焊、铝热焊和金属电弧焊（用于维修）的详细要求。包括焊接工艺评定，包括参数改变时的再评定标准。试验方法见附录。

Sets out performance requirements and tests for welding of steel rail. Gives detailed requirements for flash butt welding, aluminothermic welding and metal arc welding (for repairs). Qualification of the welding procedure is covered, including criteria for requalification when parameters are changed. Test methods are given in appendices.