Home / Standards / GB/T 19747-2025 GB/T 19747-2025 Active Corrosion of metals and alloys—Determination of bimetallic corrosion in atmospheric exposure corrosion tests 金属和合金的腐蚀 双金属大气暴露腐蚀评定 Standard Type GBT ICS 77.060 CCS H 25 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A