解析铁道行业标准《钢轨》第1和第2部分

Interpretation of Railway Industry Standard Rails Part 1 and Part 2

为保障钢轨性能和质量,为钢轨设计、制造、采购、验收、检验提供技术依据,修订铁道行业标准《钢轨》。介绍TB/T 2344(所有部分)《钢轨》历次版本发布情况。重点阐述TB/T 2344.1—2020《钢轨第1部分:43 kg/m~75 kg/m钢轨》和TB/T 2344.2—2020《钢轨第2部分:道岔用非对称断面钢轨》的修订原则、主要修订内容及关键技术要求的确定,以及标准中未纳入贝氏体钢轨的原因,以便更好地理解和实施。

In order to ensure the quality and performance of rail and provide technical basis for rail design,manufac⁃turing,procurement,acceptance and inspection,the railway industry standard Rails is revised.This paper introduces the previous versions of TB/T 2344(all parts)Rails.It focuses on the revision principles,main revision contents and key technical requirements of TB/T 2344.1—2020 Rails—Part 1:43 kg/m~75 kg/m rails and TB/T 2344.2—2020 Rails—Part 2:Switch and crossing rails,as well as the reasons why bainite rail is not included in the standard,so as to better understand and implement.