YB/T 951-2014 in English

本标准规定了钢轨超声波探伤的术语和定义、探伤原理、探伤方法、人员要求、探伤要求、试块及样轨、探头、仪器设备、信噪比、稳定性、操作、结果判定及标记等内容。
本标准适用于37kg/m～75 kg/m铁路用对称断面钢轨和非对称断面钢轨的超声波探伤，其他钢轨的超声波探伤亦可参照执行。

Scope

This standard specifies the terms and definitions of rail ultrasonic flaw detection, flaw detection principles, flaw detection methods, personnel requirements, flaw detection requirements, test blocks and sample rails, probes, instruments and equipment, signal-to-noise ratio, stability, operation, result judgment and marking, etc. . This standard is applicable to ultrasonic flaw detection of symmetrical section rails and asymmetric section rails for 37kg/m~75kg/m railways. Ultrasonic flaw detection of other rails can also be implemented with reference.