“…Being able to operate at high temperature and pressure conditions successfully made super-alloys a candidate for advanced ultra-supercritical (A-USC) power plants. Inconel Alloy 740H is a super-alloy designed for using in A-USC power plants and it has ASME Code Case 2702 that allows it to be used for welded construction [2]. Performance of this alloy was investigated in the recent studies.…”