The compilation principle and main technical indexes of GB/T 38822-2020 and the difference with foreign standards are introduced.Compared with foreign standards,the standard refines the provisions of the sample processing process,and the processing accuracy of the sample is related to the sample diameter.GB/T 38822-2020 can provide guidance for domestic enterprises,universities and research institutes to carry out creep-fatigue tests of metal materials.
万方数据
