In this paper, the creep parameter involved in the constitutive equations for Norton’s law is identified for the base metal, heat affected zone (HAZ) and weld metal in the weldment of a high-Cr ferritic heat-resisting steel, which is a candidate material for the steam generating tube of the supercritical boiler, by conducting a high temperature indentation creep test. Important engineering problems, such as the welded plate and the tube subjected to a creep loading are analyzed using the estimated creep parameter by the finite element analysis.

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