GB/T 38977-2020: Nanometer grain cemented carbide rod

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Scope

This Standard specifies the classification, technical requirements, test methods,
inspection rules, marking, packaging, transportation, storage, quality certificate and
order sheet (or contract) content of nanometer grain cemented carbide rod.
This Standard is applicable to nanometer grain cemented carbide rod, in which, the
average grain size of wolfram carbide (WC) in cemented carbide is not greater than
200 nm (hereinafter referred to as “rod”).

Basic Data

Standard ID	GB/T 38977-2020 (GB/T38977-2020)
Description (Translated English)	Nanometer grain cemented carbide rod
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H72
Classification of International Standard	77.160
Word Count Estimation	10,194
Date of Issue	2020-07-21
Date of Implementation	2021-06-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration