Home / Standards / GB/T 40314-2021 GB/T 40314-2021 Active Corrosion of metals and alloys—Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel 金属和合金的腐蚀 适用于不锈钢平板或管状试样的碟形弹簧缝隙腐蚀构型 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