Home / Standards / GB/T 34506-2023 GB/T 34506-2023 Active High strength and toughness Al-Zn-Mg-Cu series aluminium alloy extrusion products 高强高韧型Al-Zn-Mg-Cu系铝合金挤压材 Standard Type GBT ICS 77.150.10 CCS H61 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A