YB/T 6537-2026Rail residual stress - Method of high power sound beam control (English PDF)

YB/T 6537-2026 is the English-translated version of 钢轨 残余应力 声束调控法.

The document specifies a sound-beam method for regulating residual stress in rails during manufacture and in service. It sets out the principle of the method, the regulation system, the regulation procedure and the regulation report. It applies to reducing and homogenizing residual stress in rails and in their welded joints. In plain terms, the method uses high-power sound beams to relieve and even out the internal stresses left in rail steel, and the document describes how the treatment is set up, run and written up.

Rail manufacturers, welding and rail maintenance organizations, railway operators, equipment suppliers and testing institutes can use it to describe how a sound-beam treatment is carried out and recorded. It is a voluntary standard (code with /T), issued by the Ministry of Industry and Information Technology on 15 July 2026 and effective from 1 February 2027. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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