GB/T 4697-2017: Hot rolled steel section for mine timbering

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Scope

This Standard specifies the ordering content, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and certification of hot rolled U- and I-type steel section for mine timbering.
This Standard applies to hot rolled U- and I-type steel section for mine timbering (hereinafter referred to as steel section).

Basic Data

Standard ID	GB/T 4697-2017 (GB/T4697-2017)
Description (Translated English)	Hot rolled steel section for mine timbering
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H44
Classification of International Standard	77.140.70
Word Count Estimation	14,149
Date of Issue	2017-07-12
Date of Implementation	2018-04-01
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