Estimation of oxide scale growth and temperature increase of high (9-12%) chromium martensitic steels of superheater tubes

M. Z. Hamzah, W. H. Yeo, A. T. Fry, Jawaid Iqbal Inayat Hussain, S. Ramesh, J. Purbolaksono

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The improved ferritic steels that have very good creep strength such as grades 91 and 92 have been widely used for power plant applications. For example, a chromium-molybdenum-vanadium steel tube (SA213-T91) has been available in the market for two decades. The SA213-T91 material has better high temperature strength and oxidation resistance than those of the more widely used materials such as T11 and T22. In this paper, estimations of the oxide scale growth and temperature increase of 9-12% Cr martensitic steels of superheater tubes are carried out using an incremental procedure, utilizing the finite element simulations and the relation between the Larson Miller Parameter (LMP) and the scale thickness over a period of time. In order to show the superiority of T91 steels over T22 steels, two different steam temperatures are considered in the models for comparisons. The estimations showed as expected that the oxide scale growth and temperature increase of the 9-12% Cr steels were significantly lower compared to those of 2.25% Cr steels.

Original languageEnglish
Pages (from-to)380-386
Number of pages7
JournalEngineering Failure Analysis
Volume35
DOIs
Publication statusPublished - 15 Dec 2013

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Superheater tubes
Martensitic steel
Steel
Chromium
Oxides
Temperature
Vanadium
Molybdenum
Ferritic steel
Steam
Oxidation resistance
Power plants
Creep

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

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title = "Estimation of oxide scale growth and temperature increase of high (9-12{\%}) chromium martensitic steels of superheater tubes",
abstract = "The improved ferritic steels that have very good creep strength such as grades 91 and 92 have been widely used for power plant applications. For example, a chromium-molybdenum-vanadium steel tube (SA213-T91) has been available in the market for two decades. The SA213-T91 material has better high temperature strength and oxidation resistance than those of the more widely used materials such as T11 and T22. In this paper, estimations of the oxide scale growth and temperature increase of 9-12{\%} Cr martensitic steels of superheater tubes are carried out using an incremental procedure, utilizing the finite element simulations and the relation between the Larson Miller Parameter (LMP) and the scale thickness over a period of time. In order to show the superiority of T91 steels over T22 steels, two different steam temperatures are considered in the models for comparisons. The estimations showed as expected that the oxide scale growth and temperature increase of the 9-12{\%} Cr steels were significantly lower compared to those of 2.25{\%} Cr steels.",
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Estimation of oxide scale growth and temperature increase of high (9-12%) chromium martensitic steels of superheater tubes. / Hamzah, M. Z.; Yeo, W. H.; Fry, A. T.; Inayat Hussain, Jawaid Iqbal; Ramesh, S.; Purbolaksono, J.

In: Engineering Failure Analysis, Vol. 35, 15.12.2013, p. 380-386.

Research output: Contribution to journalArticle

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AU - Ramesh, S.

AU - Purbolaksono, J.

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