GB/T 4000-2017: Determination of coke reactivity index (CRI) and coke strength after reaction (CSR)

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Scope

This standard specifies the principles of test method, test instruments,
equipment and materials, collection and preparation of specimen, test
procedures, calculation of results, precision for determination of coke reactivity
and coke strength after reaction.
This standard is applicable to the determination of the reactivity and strength
after reaction of coke which is used in blast furnace ironmaking. The coke for
other purposes may refer to this standard

Basic Data

Standard ID	GB/T 4000-2017 (GB/T4000-2017)
Description (Translated English)	Determination of coke reactivity index (CRI) and coke strength after reaction (CSR)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H32
Classification of International Standard	75.160.10
Word Count Estimation	19,199
Date of Issue	2017-10-14
Date of Implementation	2018-05-01
Older Standard (superseded by this standard)	GB/T 4000-2008
Regulation (derived from)	National Standard Announcement 2017 No. 26
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China