Download or read book GB T 8731 2008 Translated English of Chinese Standard GBT 8731 2008 GB T8731 2008 GBT8731 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2015-05-06 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the scope, terms and definitions, ordering information, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packing, marking and quality certificate of free-cutting structural steels. This standard is applicable to steels such as bar steels, wire rods, steel wires, steel plates, and steel strips that are used for mechanical machining. Their chemical.