, Volume 19, Issue 11, pp 60–66 | Cite as

Developments and projected trends in maraging steels

  • R. F. Decker
  • C. J. Novak
  • T. W. Landig
Technical Article


The original development of maraging steels is reviewed, with emphasis on the basic inventive concepts involved. These concepts are related to the advantages of maraging steels. In addition to attractive combinations of strength and toughness, maraging steels provide resistance to embrittlement (hydrogen, neutron irradiation, and temper) and ease of fabricability. These advantages have led to consideration and use for a wide variety of applications. Important factors that have evolved since the original development are also cited. Control of certain processing factors, including purity level and ingot working practice, have improved the level of properties obtained from maraging steels. Better heat treatments have also provided improvements in both cast and wrought maraging steel. Current developments are outlined and predictions for future performance levels are made, based upon better current laboratory scale results. Significant progress in upgrading the strength-toughness combination of heavy sections, welds, and thin sheet are predicted. Prospects for more stainless grades are also promising. Growth into additional application areas is anticipated.


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Copyright information

© The Minerals, Metals & Materials Society 1967

Authors and Affiliations

  • R. F. Decker
    • 1
  • C. J. Novak
    • 1
  • T. W. Landig
    • 2
  1. 1.Paul D. Mercia Lab., Sterling ForestThe International Nickel Co., Inc.SuffernUSA
  2. 2.Product Development Dept.The International Nickel Co., Inc.New YorkUSA

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