Home / Standards / GB/T 40338-2021 GB/T 40338-2021 Active Corrosion of metals and alloys—Exfoliation corrosion testing of aluminium alloys 金属和合金的腐蚀 铝合金剥落腐蚀试验 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