This document describes the selection and preparation of metallographic test specimens for zinc alloy die castings, as well as the inspection methods, inspection items, and inspection report. This document is applicable to the inspection of microstructure types, volume percentages of primary phases, and primary phase sizes in metallographic test specimens for zinc alloy die castings.
Basic Data
Standard ID
GB/T 46786-2025 (GB/T46786-2025)
Description (Translated English)
Metallographic test for zinc alloy die castings
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J31
Classification of International Standard
77.120.60
Word Count Estimation
20,299
Date of Issue
2025-12-02
Date of Implementation
2026-07-01
Issuing agency(ies)
State Administration for Market Regulation, Standardization Administration of China
