composition of u043eu0431u043cu0430u0437u043au0430 manual electric arc welding for electrodes of u0430u0443u0441u0442u0435u043du0438u0442u043du0438 u0431u0435u0437u043du0438u043au0435u043bu043eu0432u0438 u043du0435u0440u044au0436u0434u044fu0441u0432u0430u0449u0438 steel with high nitrogen content

摘要

the present invention relates to a composition of u043eu0431u043cu0430u0437u043au0430 for manual electric arc welding electrodes designed to u0430u0443u0441u0442u0435u043du0438u0442u043du0438 u0431u0435u0437u043du0438u043au0435u043bu043eu0432u0438 steel with high statement of nitrogen including, the next u043au043eu043cu043fu043eu043du0435u0442u0438u0442u0435 in those quantities expressed in wt.% rutile 31,2 - 46,8 marble 7.2 4.8 - 9,0 cretaceous 6,0 fluorite 5,6 - 8.4 7.2 chromium metal manganese metal 12.1 - 5.8 5.8 14,9 chromium metal + nitrogen 7.2 u0444u0435u043bu0448u043fu0430u0442 potassium 3,6 - 4,4 bentonite 1.2 - 1.8 u0434u0432u0443u0445u0440u043eu043cu0435u043du0442u0440u0438u043eu043au0441u0438u0434 2,4 - 3 6 potassium alginate 0.8 - 1.2 ferro molybdenum 45% - this 3,6 - 4,4 nickel metal powder u043eu0431u043cu0430u0437u043au0430 0.4 - 0.6 composition.the subject of the patent application provides u043bu0435u0433u0438u0440u0430u043du0435u0442u043e metal stitches in welding and achieving u0430u0443u0441u0442u0435u043du0438u0442u043du043e - ferritic structure of welding seam in u043eu0431u043cu0430u0437u0430 manual electric arc welding electrodes by us to u043du0435u0440u044au0436u0434u044fu0441u0432u0430u0449u0438 u0430u0443u0441u0442u0435u043du0438u0442u043du0438 u0431u0435u0437u043du0438u043au0435u043bu043eu0432u0438 steel. the tests show a well-defined suture with mechanical properties equivalent to those of the basic metal.