Home / Standards / GB/T 40403-2021 GB/T 40403-2021 Active Corrosion of metals and alloys—Methodology for determining the resistance of metals to stress corrosion cracking using the four-point bend method 金属和合金的腐蚀 用四点弯曲法测定金属抗应力腐蚀开裂的方法 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会