Download or read book GB T 4697 2017 Translated English of Chinese Standard GBT 4697 2017 GB T4697 2017 GBT4697 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-11-09 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.