Home / Standards / GB/T 44327-2024 GB/T 44327-2024 Active Welded zirconium and zirconium alloy tube and pipe 锆及锆合金焊管 Standard Type GBT ICS 77.150.99 CCS H63 Status 现行 Issue Date 2024-08-23 Implementation 2025-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A