Home / Standards / GB/T 40741-2021 GB/T 40741-2021 Active Quality requirements for post welding heat treatment 焊后热处理质量要求 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A