COMPOSITION OF WIRE FOR ELECTROSLAG WELDING OF LOW-ALLOY THERMOSTABLE STEELS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to welding, such as welding materials u0434u043bu00a0 u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0439 u043du0438u0437u043au043eu043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0445 structural u0442u0435u043fu043bu043eu0443u0441u0442u043eu0439u0447u0438u0432u044bu0445 steels with high hla - dosto u0439u043au043eu0441u0442u044cu044e. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - enhancing the shock u0432u00a0u0437u043au043eu0441u0442u0438 metal seam in negative temperature without subsequent normalization. u0441u0432u0430u0440u043eu0447u043du0430u00a0 wire contains the components in the following u0441u043eu043eu0442u043du043eu0448u0435u043du0438u00a0u0445 mas.%, carbon 0.08 to 0.13; silicon 0.17 - 0.37; manganese 0.8 - 1.1; chromium 2.2 - 0.4 - 0.6 2.8; molybdenum; iron the rest. when the ratio of the components u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u0435u0442u0441u00a0 u0432u044bu0441u043eu043au0430u00a0 u0445u043bu0430u0434u043eu0441u0442u043eu0439u043au043eu0441u0442u044c metal seam for u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0439 weld without subsequent u0442u0435u0440u043cu043eu043eu0431u0440u0430u0431u043eu0442u043a and. 2, table 2). yu