JB/T 7946.1-2017: Metallograph of cast aluminium alloys - Part 1: Cast aluminium-silicon alloys modification

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Scope

This part of JB/T 7946 specifies the cutting and preparation of metallographic
specimens of cast aluminum-silicon alloys, the observation of metallographic
structure, the grading of cast aluminum-silicon alloys.
This part applies to the evaluation of the grade of modification of cast aluminum-
silicon alloys.

Basic Data

Standard ID	JB/T 7946.1-2017 (JB/T7946.1-2017)
Description (Translated English)	Metallograph of cast aluminium alloys - Part 1: Cast aluminium-silicon alloys modification
Sector / Industry	Mechanical and Machinery Industry Standard (Recommended)
Classification of Chinese Standard	J31
Word Count Estimation	10,126
Date of Issue	2017-01-09
Date of Implementation	2017-07-01
Older Standard (superseded by this standard)	JB/T 7946.1-1999
Regulation (derived from)	Ministry of Industry and Information Technology Announcement No.2 of 2017
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the cutting and preparation of cast aluminum-silicon alloy metamorphic samples, metallographic structure observation and deterioration grade.