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Properties and Applications of an Advanced Austenitic Fe-Ni-Cr Alloy FREE

[+] Author Affiliations
Venkat R. Ishwar, William C. Johnson

Haynes International, Inc., Kokomo, IN

George Y. Lai

Welding Services, Inc., Carmel, IN

Paper No. 97-AA-131, pp. V001T10A001; 22 pages
doi:10.1115/97-AA-131
From:
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME

abstract

Many modern industrial processes require high-temperature alloys with superior environmental resistance and high-temperature mechanical properties. This paper describes a recently developed Fe-Ni-Cr-Nb-N alloy (HAYNES® HR-120® alloy) which is being used in several modern high-temperature industries. This alloy utilizes niobium (columbium) nitride and carbide strengthening mechanisms for its excellent tensile and creep-rupture strength characteristics. These properties are significantly higher than those of regular Fe-Ni-Cr alloys and some Ni-base alloys. The alloy also exhibits excellent resistance to oxidation and sulfidation needed for applications in many of these industrial processes. This alloy is increasingly being used in the petroleum refinery, waste incineration, oil and gas recovery, heat treating and land base gas turbine industries. Major properties, alloy characterization and industrial applications for this alloy are reviewed in this paper.

Copyright © 1997 by ASME
Topics: Alloys
This article is only available in the PDF format.

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