This document describes a method for classifying the characteristics of ultrasonic indications arising from discontinuities. Based on the characteristics of the indications, internal discontinuities are classified as planar or non-planar. This document applies to discontinuities at the weld surface opening after removing the weld reinforcement.
Basic Data
Standard ID
GB/T 29711-2023 (GB/T29711-2023)
Description (Translated English)
Non-destructive testing of welds - Ultrasonic testing - Characterization of discontinuities in welds
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J33
Classification of International Standard
25.160.40
Word Count Estimation
17,123
Date of Issue
2023-11-27
Date of Implementation
2024-06-01
Older Standard (superseded by this standard)
GB/T 29711-2013
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
