Research Article

Through-Thickness Residual Stresses, Microstructure, and Mechanical Properties of Electron Beam-Welded CA6NM Martensitic Stainless Steel after Postweld Heat Treatment

Table 7

Comparison of the average Charpy impact energies (J) for CA6NM.

ConditionProcessSection thickness (mm)FZHAZ

PWHTed (600°C)EB9063.3 ± 4.6148 ± 18.0
As-welded [10]29.0 ± 4.4113 ± 15.4

PWHTed (600°C) [31]HLAW1045.5N/A
As-welded [36]28.5N/A

ASME Section VIII Div. 1 [28]N/AN/A≥27
GE Renewable Energy [37]N/AN/A≥34