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Effect of boron on the technological and operating characteristics of complex alloy corrosion-resistant steels

  • Stainless Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Small boron additions improve the technological ductility of corrosion-resistant complex alloy steels, which is evident mainly during rolling of ingots to slabs at 900\2-1150\dg. At higher deformation rates, as in rolling slabs to plates and in ductility tests, boron has a smaller effect on the technological ductility.

  2. 2.

    Small boron additions have different effects on the susceptibility of steel to ICC. The addition of boron to molybdenum steels lowers the corrosion resistance after standard solutioning.

    This drawback can be eliminated by limiting the boron addition to 0.0015% (calculated) and raising the solutioning temperature.

  3. 3.

    The favorable effect of raising the solutioning temperature is due to the solution of excess submicroscopic phases (carbides, carbonitrides, etc.) and the associated increase in grain size and reduction of the dislocation density in boundary areas.

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Authors
  1. Ya. E. Gol'dshtein
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  2. A. I. Piskunova
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  3. M. N. Shmatko
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Additional information

Scientific-Research Institute of Metallurgy, Chelyabinsk. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 17–20, November, 1978.

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Gol'dshtein, Y.E., Piskunova, A.I. & Shmatko, M.N. Effect of boron on the technological and operating characteristics of complex alloy corrosion-resistant steels. Met Sci Heat Treat 20, 897–901 (1978). https://doi.org/10.1007/BF00713749

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  • DOI: https://doi.org/10.1007/BF00713749

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