Home / Standards / GB/T 37598-2019 GB/T 37598-2019 Active Inspection of non-metallic inclusions in steel—Blue fracture test method 钢中非金属夹杂物的检验 发蓝断口法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A