Download or read book GB T 38885 2020 Translated English of Chinese Standard GBT 38885 2020 GB T38885 2020 GBT38885 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-08-13 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, markings and quality certificates of ultra-high cleanliness of high-carbon chromium bearing steel. This standard is applicable to the hot-rolled or forged round steel, wire rod, cold-drawn round steel and steel wire which has a diameter of not more than 150 mm for the production of bearing rings and rolling elements with long contact fatigue life performance of automobiles, railways, energy sources, CNC machine tools.