Home / Standards / GB/T 42899-2023 GB/T 42899-2023 Active Test method for weldability of ocean engineering structural steel 海洋工程结构钢可焊性试验方法 Standard Type GBT ICS 77.140.60 CCS H44 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A