Home / Standards / GB/T 26649 GB/T 26649 Active Magnesium alloy castings for automobile wheels 镁合金汽车车轮铸件 Standard Type GBT ICS 77.120.10 CCS J31 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委