JJG 654-1990 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 654-1990: Verification Regulation of Ultrasonic Hardness Testers
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 654-1990	279	Add to Cart	3 days	Verification Regulation of Ultrasonic Hardness Testers	Obsolete

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Basic data

Standard ID: JJG 654-1990 (JJG654-1990)
Description (Translated English): Verification Regulation of Ultrasonic Hardness Testers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Word Count Estimation: 7,722
Date of Issue: 6/12/1990
Date of Implementation: 1/1/1991
Regulation (derived from): National Metrology technical regulations catalog edition 2010; AQSIQ Notice 2013 No. 154
Issuing agency(ies): State Bureau of Technical Supervision
Summary: This standard applies to new manufacturing ultrasonic measuring metal hardness of test and repair after the use of Rockwell hardness.

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