GB/T 32073.1-2025: Non-destructive testing - Ultrasonic testing method for measuring residual stress - Part 1: Critical refraction longitudinal wave method

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Scope

This document describes the ultrasonic testing method for testing residual stress based
on critical refraction longitudinal wave, specifies the testing system, testing procedures,
temperature compensation and correction, and testing report for the critical refraction
longitudinal wave method.
This document applies to the testing of residual stress and load stress in metallic
materials with a sound transmission rate of not less than 6 dB/m sound path attenuation.
Other non-metallic materials shall be handled with reference to this method.

Basic Data

Standard ID	GB/T 32073.1-2025 (GB/T32073.1-2025)
Description (Translated English)	Non-destructive testing - Ultrasonic testing method for measuring residual stress - Part 1: Critical refraction longitudinal wave method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Classification of International Standard	19.100
Word Count Estimation	14,169
Date of Issue	2025-12-31
Date of Implementation	2025-12-31
Older Standard (superseded by this standard)	GB/T 32073-2015
Issuing agency(ies)	State Administration for Market Regulation, Standardization Administration of China