This document specifies the methods of the cutting, preparation and determination of free cementite, pearlite and Widmanstaten structure specimens in steel. This document is applicable to the determination of free cementite, pearlite and Widmanstaten structure in low-carbon and medium-carbon steel plates, steel strips and steel rods (billets). For other steel types, this document may be taken as a reference.
Basic Data
Standard ID
GB/T 13299-2022 (GB/T13299-2022)
Description (Translated English)
Determination of free cementite, pearlite and Widmanstaten structure in steel
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H24
Word Count Estimation
40,444
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
