Conclusions
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1.
Introduction of rare-earth metals and calcium into chromium stainless steels considerably increases their ductility and resistance to intercrystalline corrosion, at the same time preserving their polishing properties.
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2.
A new economically alloyed, nickel-free stainless steel 06Kh18Ch, containing, as calculated, 0.3–0.4% rare-earth metals and 0.2% Ca, was developed.
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3.
Industrial tests on chromium steel 06Kh18Ch proved that this steel is suitable for manufacturing car components with decorative surfaces, and is in no way inferior to chromiumnickel steels of the 12Kh18N9 type.
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Literature cited
A. S. Zav'yalov and M. M. Sandomirskii, Engineering Steels Alloyed with Rare Earth Metals [in Russian], Mashinostroenie, Moscow (1969).
V. V. Averin, Application of Rare Earth Metals in Microalloying of Steels. Steel and Nonmetallic Inclusions [in Russian], No. 3, Metallurgiya, Moscow (1978).
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É. I. Tsivirko et al., Information Letter No. 10, “Control of nonmetallic inclusions in cast and worked steels using the linear counting method”, Zaporozhskii Mashinostroitelnii Institut, Zaporozhe (1969).
Additional information
V. Ya. Chubar' Machine-Building Institute, Zaporozhe. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 32–34, August, 1983.
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Mishchenko, V.G., Natapov, B.S. Structure and properties of the corrosion-resistant sheet steel 06Kh18Ch alloyed with rare-earth metals and calcium. Met Sci Heat Treat 25, 596–599 (1983). https://doi.org/10.1007/BF00741921
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DOI: https://doi.org/10.1007/BF00741921