Home / Standards / GB/T 47040-2026 GB/T 47040-2026 Active Aerospace—Sulfuric acid anodizing of titanium and titanium alloys—Treatment process 航空航天 钛及钛合金硫酸阳极氧化 处理工艺 Standard Type GBT ICS 49.040 CCS V16 Status 现行 Issue Date 2026-01-28 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A