Failure analysis of hanger for superheater tube
Abstract
Seven out of 12 pieces of hangers for superheater pipe were failed after one year in service. Failure analysis has been conducted to find out the root cause of failure. Hanger material is ASTM A182 Grade F22 Class 1. Fractography examinations revealed that the fracture mode is due to mechanical fatigue. Tensile test results show a tensile strength of 1015 MPa which is far beyond the minimum standard requirement of 415 MPa. The hardness of the...
Paper Details
Title
Failure analysis of hanger for superheater tube
Published Date
Jan 1, 2020
Journal
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