Summary
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1.
Manganese increases the yield strength of austenitic steels.
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2.
In biphase austenitic-ferritic steels containing 4% Ni the influence of manganese depends on the amount of chromium in the steel: a) in steels with 18% Cr the amount of the austenitic phase increases with increasing amounts of manganese up to 14% but one cannot eliminate the ferritic components completely by alloying with manganese; b) in steels containing 15% Cr, 14% Mn is needed for the formation of the austenitic structure.
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3.
To obtain the austenitic structure in stainless steels with 18% Cr and 4% Ni one must add nitrogen as well as manganese.
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4.
The solubility of nitrogen in austenite increases with increasing concentrations of manganese.
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Literature cited
F. F. Khimushin, Stainless Steels [in Russian] (1963).
M. V. Pridantsev and F. L. Levin, MiTOM (1963), No. 1.
D. A. Prokoshkin, I. F. Zudin, R. S. Sharipkulov, and O. A. Banhykh. Alloying of Cr−Mn Stainless Steel [in Russian] (1961).
A. Kasak, C. Hsiao, and E. Dulis. “TASTM” (1959), Vol. 59.
Additional information
Central Scientific Research Institute of Ferrous Metallurgy Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 10–14. December, 1965
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Pridantsev, M.V., Levin, F.L. Effect of manganese on the structure and properties of nonmagnetic stainless steels. Met Sci Heat Treat 7, 786–789 (1966). https://doi.org/10.1007/BF00666966
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DOI: https://doi.org/10.1007/BF00666966