METHOD The production of rolled bars and rods of medium-micro-alloyed steels

摘要

method of production of long steel products in the u043fu0440u0443u0442u043au0430u0445, calibrated round of u0441u0440u0435u0434u043du0435u0443u0433u043bu0435u0440u043eu0434u0438u0441u0442u043eu0439, u043cu0438u043au0440u043eu043bu0435u0433u0438u0440u043eu0432u0430u043du043du043eu0439 were increased u043eu0431u0440u0430u0431u0430u0442u044bu0432u0430u0435u043cu043eu0441u0442u0438 use. including u0432u044bu043fu043bu0430u0432u043au0443 steel in electric stoves, u0432u043du0435u043fu0435u0447u043du0443u044e processing, u0440u0430u0437u043bu0438u0432u043au0443 in u0438u0437u043bu043eu0436u043du0438u0446u044b with protection of the u0430u0440u0433u043eu043du043eu043c, u0433u043eu0440u00a0u0447u0443u044e u043fu0440u043eu043au0430u0442u043au0443 bars and a u0433u043eu0440u00a0u0447u0443 billets yu u043fu0440u043eu043au0430u0442u043au0443 billets, controlled cooling calibration products.u0441u043cu043eu0442u043au0443 long steel products in the riots, the calibration products, u0440u0430u0437u043cu043eu0442u043au0443 riots, u043fu043eu0440u0435u0437u043au0443 and editing innovation special decoration of the surface u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 innovation so that you u043fu043bu0430u0432u043bu00a0u044eu0442 steel, containing the following components: the mas.;u0443u0433u043bu0435u0440u043eu04340,40 - 0,52u043cu0430u0440u0433u0430u043du0435u04460,40 - 0,95u043au0440u0435u043cu043du0438u04390,17 - 0,37u0445u0440u043eu043c0,01 - 0,25u0441u0435u0440u04300020 - 0045u0432u0430u043du0430u0434u0438u04390005 - 0,02u0430u043bu044eu043cu0438u043du0438u04390,03 - 0,05u043au0430u043bu044cu0446u0438u0439, 0.001 0010u0430u0437u043eu04420005 - 0015u043du0438u043au0435u043bu044cu0434u043e 0.25% u043cu0435u0434u044cu043du0435 more than 0.25% u043cu043eu043bu0438u0431u0434u0435u043du043du0435 greater than 0.10% u043cu044bu0448u044cu00a0 u043au043du0435 more than 0.08% u0444u043eu0441u0444u043eu0440u043du0435 more feature% iron and inevitable impurities the rest;the calcium / sulfur ratios: 0.065.;what u0433u043eu0440u00a0u0447u0443u044e u043fu0440u043eu043au0430u0442u043au0443 plates on the car finish at a temperature of 1000 1050u0441, further rapidly cooled to 880 - 900u0441 with subsequent cooling in the air before 30 0u0441, calibrated lead with a degree of deformation of 20% to 25%, u043fu043eu0440u0435u0437u043au0443 products are receiving rods up to 6 m with a precision cutting of 5 mm, finished products u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 u043fu0443u0442u0435 m areu043au043eu043du0442u0440u043eu043bu00a0 surface defects and internal defects of ultrasonic u043au043eu043du0442u0440u043eu043bu00a0, selective sweep solid abrasive abrasive, grinding, u043eu0431u0442u043eu0447u043au0438 rods and ultrasonic u043au043eu043du0442u0440u043eu043bu00a0.