Download or read book GB T 28909 2012 Translated English of Chinese Standard GBT 28909 2012 GB T28909 2012 GBT28909 2012 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-10-27 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the ordering content, designation indication method, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of extrahigh strength structural steel plates in the heat-treatment condition. This standard is applicable to steel plates with a thickness of not more than 50 mm for construction machinery such as mines, buildings and agriculture.