Home / Standards / GB/T 37793-2019 GB/T 37793-2019 Active Quantitative analysis of dendritic segregation in steel billets 钢坯枝晶偏析的定量分析方法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2019-08-30 Implementation 2020-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A