This document describes three methods for evaluating banded structures in steel. the standard rating chart method, the quantitative method, the hardness method. It includes an overview of the methods, equipment, sampling, specimen preparation, evaluation methods, test results, test reports. This document applies to the inspection and evaluation of banded structures in steel that has undergone plastic deformation.
Basic Data
Standard ID
GB/T 34474-2025 (GB/T34474-2025)
Description (Translated English)
Methods for determination of banded structure of steels
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H24
Classification of International Standard
77.040.99
Word Count Estimation
50,529
Date of Issue
2025-08-29
Date of Implementation
2026-03-01
Older Standard (superseded by this standard)
GB/T 34474.1-2017, GB/T 34474.2-2018
Issuing agency(ies)
State Administration for Market Regulation; Standardization Administration of China
