Home / Standards / GB/T 39154-2020 GB/T 39154-2020 Active Corrosion of metals and alloys—Cathodic protection of steel in concrete 金属和合金的腐蚀 混凝土用钢筋的阴极保护 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A