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Estimating the hardenability of carbon steels

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Abstract

A new hardenability test for shallow-hardening steels was developed which allows the precise measurement of the hardenability of “pure” Fe-C alloys: The quantitative hardenability effect of variation in the austenite grain size of carbon steels was found to vary linearly with d t-1/2γ , where dγ is the mean austenite grain diameter. Using high-purity steels, the quantitative hardenability effects of C and the common alloying elements Mn, P, S, Si, Cu, Ni, Cr, Mo, V, Ti, and Zr were determined. From these data, the hardenability of carbon steels, with and without residual elements, can be estimated from chemical composition and grain size by a new and relatively simple method.

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Authors and Affiliations

  1. Research Laboratory, U. S. Steel Corporation, 15146, Monroeville, Pa

    R. A. Grange (Staff Scientist)

Authors
  1. R. A. Grange
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Additional information

This paper is based on a presentation made at a symposium on “Hardenability” held at the Cleveland Meeting of The Metallurgical Society of AIME, October 17, 1972, under the sponsorship of the IMD Heat Treatment Committee.

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Grange, R.A. Estimating the hardenability of carbon steels. Metall Trans 4, 2231–2244 (1973). https://doi.org/10.1007/BF02669363

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  • DOI: https://doi.org/10.1007/BF02669363

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