Home / Standards / GB/T 39191-2020 GB/T 39191-2020 Active Heat treatment for stainless steel and heat resistant steel parts 不锈钢和耐热钢件热处理 Standard Type GBT ICS 25.200 CCS J36 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委