High-strength steel increase in hardenability

摘要

u0432u044bu0441u043eu043au043eu043fu0440u043eu0447u043du0430u00a0 steel of high u043fu0440u043eu043au0430u043bu0438u0432u0430u0435u043cu043eu0441u0442u0438, u0441u043eu0434u0435u0440u0436u0430u0449u0430u00a0 carbon, manganese, silicon, nitrogen, calcium, aluminium, boron, iron additionally contains molybdenum, titanium and sulfur with the following components: ratio of mas.;carbon u04410,14 - 0,20u043cu0430u0440u0433u0430u043du0435u0446, u043cn1,10 - 1,50u043au0440u0435u043cu043du0438u0439, Si0,15 - 0,35u0431u043eu0440, u043200010 - 00050u043cu043eu043bu0438u0431u0434u0435u043d, u043cu043e0,45 - 0,55u0430u043bu044eu043cu0438u043du0438u0439, u0430l0,03 - 0,06u0442u0438u0442u0430u043d, Ti0,01 - 0,04au0437u043eu0442, N0005 - 0015u043au0430u043bu044cu0446u0438u0439, u0441u04300001 - 0010u0441u0435u0440u0430, S0005 - 0020;with;u043cn + 3,0u043cu043e2,7