China 'GB/T 40314-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40314-2021
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
Issued Date:2021/8/20
Implemented Date:2022/3/1
Issued by:
The Standardization Administration of the People's Republic of China