GB/T 13299-1991: Steel. Determination of microstructure

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Scope

This Standard specifies the metallographic determination method,
determination principles and structural characteristics of free cementite, pearlite
of low-carbon deformed steels, banded structure and Widmannstatten structure
of steels.
This Standard applies to the determination of microstructure of steel plates,
steel strips and sections of low-carbon and medium-carbon steels. Other steel
types can be determined with reference to this Standard according to relevant
standards or agreements.

Basic Data

Standard ID	GB/T 13299-1991 (GB/T13299-1991)
Description (Translated English)	Steel. Determination of microstructure
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H24
Classification of International Standard	77.040.30
Word Count Estimation	19,155
Date of Issue	12/13/1991
Date of Implementation	10/1/1992
Quoted Standard	GB/T 13298
Issuing agency(ies)	State Bureau of Technical Supervision
Summary	This standard specifies the metallurgical evaluation method free cementite steel, low carbon steel deformed pearlite banded structure and widmanstatten, evaluation principles and organizational characteristics. This standard applies to low-carbon, medium carbon steel, steel and profiles of microstructure evaluation; other steel grades according to the relevant standards or protocols, may refer to the standard assessment.