标准摘要
[中文适用范围]： 本文件规定了有关焊接工艺、承包商、焊工、检验员的批准和/或认证以及工厂和/或轨道焊缝验收的要求。 本文件适用于以下钢轨焊接工艺： a) 闪光对焊（FBW）； b) 气压焊（GPW）； c) 铝热焊（ATW）； d) 封闭式电弧焊（EAW）。 本文件以相同型材、相同钢种的43 kg/m至75 kg/m新型平底钢轨作为焊接对象。 本文件没有规定特定于每种焊接工艺的要求或测试方法。 这些将在 ISO 23300 系列的后续部分中进行规定。 关于对焊，本文件仅限于连接钢轨端部。 本文件不包括用于建设交叉路口、铁路道岔、信号连接安装或铁轨修复的焊接。 本文件不涵盖焊接操作的任何安全规定。 本文件未明确铁路局批准进行钢轨焊接的个人和组织的资质。 [外文原描述]： This document specifies requirements concerning the approval and/or homologation of welding processes, contractors, welders, inspectors and acceptance of welded joints in the factory and/or track. This document is applicable to the following rail welding processes: flash butt welding (FBW); gas pressure welding (GPW); aluminothermic welding (ATW); enclosed arc welding (EAW). In this document, 43 kg/m to 75 kg/m new flat-bottomed rails of the same profiles and same steel grades are used as the subject of welding. This document does not specify requirements or test methods specific to each welding process. These are to be prescribed in the subsequent parts of the ISO 23300 series. Concerning butt welding, this document is restricted to connecting rail ends. This document does not cover the welding for construction of crossings, railway switches, signal bond installation or restoration of rails. This document does not cover any safety regulations for welding operations. In this document, the qualifications of individuals and organizations that are approved by the railway authority for rail welding are not specified.
英文名称Railway infrastructure — Rail welding — Part 1: General requirements and test methods for rail welding