Home / Standards / GB/T 46052-2025 GB/T 46052-2025 Active Corrosion of metals and alloys—Sulfur dioxide test in a humid atmosphere(fixed gas method) 金属和合金的腐蚀 潮湿大气中的二氧化硫试验(固定气体法) 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