Conclusions
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1.
To maintain the high design strength of VNS-2 and ÉP817 steels it is necessary to provide stability in their properties and gas absorption and also a uniform original structure, i. e., to accomplish the production operations on them with the minimum possible change in properties, using, in particular, heating for deformation and hardening in inert media and welding with the minimum power per length (electron beam or laser).
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2.
In the design of parts and assemblies made of maraging steels and the development of production operations for their production it is necessary to include the possibility of a homogenizing heat treatment of weld joints (annealing, hardening, and aging).
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Literature cited
O. L. Bendryshev, V. V. Alekseev, and V. I. Silina, “A method of establishing the heattreatment cycle of VNS-2 steel,” in: Proceedings of the Academy of Sciences of the Belorussian SSR: New Physical Methods and Means of Inspection of Production Parts [in Russian], Izd. Akad. Nauk BSSR, Minsk (1978).
O. L. Bendryshev, V. V. Alekseev, and V. I. Silina, “Production experience in the welding of VNS-2 steel,” Svarochn. Proizvod., No. 2, 8 (1979).
Additional information
Banner of Labor Moscow Machine Building Plant. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 48–50, January, 1984.
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Bendryshev, O.L., Alekseev, V.V. & Silina, V.I. Technological features of VNS-2 and ÉP817 maraging steels. Met Sci Heat Treat 26, 66–70 (1984). https://doi.org/10.1007/BF00712868
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DOI: https://doi.org/10.1007/BF00712868