Jia-Yue Liu

Failure analysis of cracks in the sealing slot of the inlet flange of a stainless steel residual oil hydrogenation reactor

This paper addresses the issue of circumferential cracks appearing at the bottom of the trapezoidal sealing groove of the 321H stainless steel elbow flange at the inlet of reactor R103I in a residual oil hydrogenation unit at a certain refining and petrochemical company. Using methods such as macroscopic observation, c...