Conclusions
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1.
Additives of niobium (0.05%) of vanadium (0.11%), or the combined alloying of steel 09G2 with vanadium (0.055%), niobium (0.02%), and zirconium (0.035%) contribute to a simultaneous increase in its strength and resilience, and the amount of fiber in the fracture.
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2.
an increase in the strength and amount of fiber in the fracture without a reduction in the resilience of specimens with a circular notch is achieved by the combined alloying of steel 09G2 with vanadium (0.06%) and niobium (0.035%).
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3.
Additives of zirconium (0.07%) or titanium (0.05%), or vanadium (0.05%) effect an increase in resilience and in the amount of fiber in the fracture with retention of strength properties at the level of the base steel 09G2.
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Literature cited
L. V. Popova, D. V. Lebedev, D. A. Litvinenko, and A. G. Nasibov, „Properties of low-alloy steel with tellurium,” Izv. Akad. Nauk SSSR, Met., No. 2, 127–129 (1983).
Additional information
I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 52–54, June, 1990.
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Popova, L.V., Nasibov, A.G. Effect of microalloying on the properties of steel 09G2 after controlled rolling. Met Sci Heat Treat 32, 458–460 (1990). https://doi.org/10.1007/BF01100169
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DOI: https://doi.org/10.1007/BF01100169