Abstract
The concentration of elements in existing austenite-ferrite steels varies in a rather narrow range. This is associated with the necessity of ensuring an optimum austenite/ferrite proportion in the structure (∼ 40–60%), which is attained by adding ferrite- and austenite-forming elements in specified amounts. The article concerns the structure, mechanical properties, and corrosion resistance of low-carbon austenite-ferrite steels with 18–25% Cr, 2–6% Mo at −7% Ni and 0.15% N and the choice of the most suitable limiting concentrations of chromium and molybdenum.
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REFERENCES
É. G. Fei'dgandler and L. Ya. Savkina, “Nitrogen in corrosion-resistant steels,”Chern. Metallurgiya. Chermetinformatsiya, No. 11, 24–34 (1990).
USSR Inventor's Certificate No. 1123307, MKI C 22 C 38/58, “Ferrite-austenite steel,”Byull. Otkryt. Izobret., No. 32 (1985).
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 10–15, September, 1995.
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Fel'dgandier, É.G., Shlyamnev, A.P. Structure and properties of low-carbon nitrogen-containing augstenite-ferrite corrosion-resistant steels. Met Sci Heat Treat 37, 356–360 (1995). https://doi.org/10.1007/BF01156809
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DOI: https://doi.org/10.1007/BF01156809