GB/T 7216-2023: Metallographic test for grey cast iron

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Scope

This document specifies the preparation of specimens, inspection items and rating
charts, result representation, test reports for metallographic examination of gray cast
iron.

Basic Data

Standard ID	GB/T 7216-2023 (GB/T7216-2023)
Description (Translated English)	Metallographic test for grey cast iron
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J31
Classification of International Standard	77.080.10
Word Count Estimation	32,312
Date of Issue	2023-05-23
Date of Implementation	2023-05-23
Older Standard (superseded by this standard)	GB/T 7216-2009
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration