JB/T 7946.4-2017 English PDF

US$209.00 · In stock
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JB/T 7946.4-2017: Metallograph of cast aluminium alloys - Part 4: Cast aluminium-copper alloys gram size
Status: Valid

JB/T 7946.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7946.4-2017	209	Add to Cart	3 days	Metallograph of cast aluminium alloys - Part 4: Cast aluminium-copper alloys gram size	Valid
JB/T 7946.4-1999	199	Add to Cart	2 days	Metallograph of cast aluminium alloys. Cast aluminium-silicon alloys. Grain size	Obsolete
JB/T 7946.4-1995	RFQ	ASK	3 days	(Cast aluminum-copper alloy grain size)	Obsolete

Similar standards

JB/T 7946.3   GB/T 8263   GB/T 7659   JB/T 7946.2   JB/T 7946.1   

Basic data

Standard ID: JB/T 7946.4-2017 (JB/T7946.4-2017)
Description (Translated English): Metallograph of cast aluminium alloys - Part 4: Cast aluminium-copper alloys gram size
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J31
Word Count Estimation: 9,988
Date of Issue: 2017-01-09
Date of Implementation: 2017-07-01
Older Standard (superseded by this standard): JB/T 7946.4-1999
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-copper alloy grain size test specimens and the determination of grain size.

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