Home / Standards / GB/T 46066-2025 GB/T 46066-2025 Active Corrosion of metals and alloys—Measurement of critical crevice temperature for cylindrical crevice geometries in ferric chloride solution 金属和合金的腐蚀 在三氯化铁溶液中圆柱形试样临界缝隙腐蚀温度的测量 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A