Development of a technology for melting of high-strength maraging steel VKS-180-ID micro-alloyed with REMs

Shcherbakov A.I., Krylov S.А., Kalitsev V.A., Ignatov V.A.
UDC
669.14.046.516
DOI
10.18577/2307-6046-2015-0-2-4-4
Article PDF (Russian) (638.06 KB)
How to cite
Shcherbakov A.I., Krylov S.А., Kalitsev V.A., Ignatov V.A. Development of a technology for melting of high-strength maraging steel VKS-180-ID micro-alloyed with REMs // Proceedings of VIAM. 2015. No. 2. DOI: 10.18577/2307-6046-2015-0-2-4-4. URL: https://test.viam.ru/en/journal/2015/2/4
Abstract

VKS-180-ID steel is recommended for production of high-loaded parts, landing gears, airframe and engine. Metallurgical characteristics of high-strength maraging steel VKS-180-ID melt in a vacuum induction furnace (VI) with the subsequent remelting in a vacuum arc furnace (VA) using the chosen system of REM-based micro-alloying and addition of nickel oxide were studied. The technology allows production of steels with a low content of gases and impurities (carbon ≤0.005%; oxygen ≤0.004%; nitrogen ≤0.003%) providing a high level of mechanical properties both in longitudinal and in transverse directions (tensile strength, impact strength, ductility).

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