本欧洲标准规定了所有轨距的铁路车轮的特性。 本文件适用于重型铁路车辆，但也适用于其他应用，如轻轨、电车轨道 或者地铁车辆。 本标准定义了ER6、ER7、ER8、ER8和ER9五种钢种。 注1:ERS8已作为ER8和ER9钢种的优化纳入本标准 考虑欧洲服务经验，如英国的BS 5892-3。 有些特征是作为类别1或类别2的函数给出的。 本标准规定的要求 适用于圆柱孔。大多数要求也适用于带锥形孔的车轮。锥形孔的具体要求（如几何尺寸…）见 技术规范。 本标准适用于由真空脱气钢制成并具有冷态轮辋的实心锻造和轧制车轮。它们已经在商业条件下使用 在欧洲网络上大量使用，或符合EN 13979‑1:2019的技术批准程序。 附录A描述了验收的评估过程 本标准中未提及的新材料。 本标准规定了车轮产品要求；技术批准程序不在本标准范围内。 注2冷态轮辋描述 轮辋的热处理，其目的是使轮辋硬化并在轮辋中产生压缩残余应力。

This document specifies the characteristics of railway wheels, used for all track gauges. This document applies to heavy railway vehicles but may also apply to other applications such as light railway vehicles, trams or underground systems. Five steel grades, ER6, ER7, ER8, ERS8 and ER9, are defined in this document. NOTE 1 Steel grade ERS8 has been introduced in this document as an optimisation of steel grades ER8 and ER9 due to contact fatigue (RCF), taking into account service feedback from Europe, for example, BS 5892-3 in force in the United Kingdom. Some features are provided as a Category 1 or Category 2 function. The requirements defined in this standard apply to cylindrical bores. Most requirements also apply to wheels with tapered bores. Specific requirements for tapered bores (e.g. geometrical dimensions, etc.) are defined in the technical specification. This document applies to monobloc wheels in vacuum degassed steel, forged and rolled, with surface treated rims, which have already been the subject of extensive commercial applications on a European network or have complied with a technical approval procedure according to EN 13979 – 1: 2019 to validate their design. Annex A describes the evaluation process for accepting new materials that are not included in this document. This document defines the requirements to be met for wheels; the technical approval procedure is not part of the scope of this document. NOTE 2 A "surface-treated rim" is achieved by heat treatment which aims to harden the rim and create compressive residual stress.