Key Laboratory of Nuclear Materials and Safety Assessment;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang;
110016;
China;
School of Materials Science and Engineering;
University of Science and Technology of China;
Shenyang;
110016;
China;
Shenyang National Laboratory for Materials Science;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang;
110016;
China;
Nuclear Power and Petro-Chemical Business Group.China First Heavy Industries;
Dalian;
116113;
China;
316H weld metal; Aging treatment; δ-ferrite; M(23)C6; δphase; Mechanical property;