Home / Standards / GB/T 46816-2025 GB/T 46816-2025 Active Aluminium alloy flange forgings—General specifications 铝合金法兰锻件 通用技术规范 Standard Type GBT ICS 77.120.10 CCS J32 Status 现行 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 国家标准委 Drafting Unit N/A