prior to insertion in the vessel. After 1
year, the specimens were removed and examined.
Liquid penetrant examination of these
specimens also showed multidirectional cracks
in the weld and the HAZ.
Discussion. Nondestructive testing revealed
severe branching of the cracks on the inner side
of the plates. This type of cracking is generally
representative of SCC. Microexamination of the
cracks revealed that propagation was transgranular,
further supporting the possibility of SCC.
The results of the simulation test confirmed this
mode of failure