Download or read book JB T 9210 1999 Translated English of Chinese Standard JBT9210 1999 written by https://www.chinesestandard.net and published by www.ChineseStandard.net. This book was released on 2022-06-04 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the special requirements for vacuum heat treatment equipment, commonly-used metal materials for vacuum heat treatment, technological process of vacuum heat treatment and its basic technological parameters. This Standard applies to technologies such as metal vacuum quenching, vacuum tempering, vacuum annealing, vacuum solution heat treatment, and vacuum aging.