METHOD FOR PRODUCING LONG PIPE pig large and medium-diameter centrifugal CAST HOLLOW billets and ingots electroslag remelting steel grades 08H10N20T2 And 08H10N16E2 for pullout Systems (submarine periscopes) with providing toughness KCU OVER 100 J / cm2

摘要

1.method of manufacturing large and medium diameter pipes long u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0445 of u0446u0435u043du0442u0440u043eu0431u0435u0436u043du043e - blasting hollow billet and ingot remelting was u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e and marks 08u044510u043d20u04422 and 08u044510u043d16u04422 u0434u043bu00a0 extendable systems (periscopes for submarines) values with a u0432u00a0u0437u043au043eu0441u0442u0438 KCU more than 100 j / cm2, with the casting of u0446u0435u043du0442u0440u043eu0431u0435u0436 but cast-iron molds, heating them to a temperature of.u043fu0440u043eu043au0430u0442u043au0443 on u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill in thick walled pipes with u043fu0440u0438u043fu0443u0441u043au043eu043c under mechanical processing and heat treatment, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 the u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 u0433u043eu0440u00a0u0447u0435u043au0430u0442u0430u043du044bu0435 those larger diameter pipes with the 1 - 3 u043fu0435u0440u0435u043au0430u0442u043eu0432 on cold rolling components depending on the type of material and size of edition u0435u043bu0438u0439 (length, diameter and wall thickness).;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u043fu0440u043eu043au0430u0442u043au0443 u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0445 u0433u043eu0440u00a0u0447u0435u043au0430u0442u0430u043du044bu0445 pipes at an intermediate and a size of the components of cold rolling u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 with u0432u044bu0442u00a0u0436u043au043eu0439 = 1.2 - 1.55.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that a u0442u0443u0431u043du043eu0439 billets using u0441u0432u0435u0440u043bu0435u043du044bu0435 bars u044du0448u043f.;4. method for p.1, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0446u0435u043du0442u0440u043eu0431u0435u0436u043du043e - cast hollow billets and bars u0441u0432u0435u0440u043bu0435u043du044bu0435 u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e remelting are at u043au043eu043bu043eu0441u043du0438u043au0430u0445 methodological furnace without u043au0430u043du0442u043eu0432u043a and at a temperature of 950 - 1000u0441 within 180 to 300 min (u0433u043eu043cu043eu0433u0435u043du0438u0437u0430u0446u0438u00a0) depending on the diameter and wall thickness, and then u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 uniform heating u0446u0435u043du0442u0440u043eu0431u0435u0436u043du043e zaggy - canada u0442u043eu0432u043eu043a before 1150, with the speed of heating temperature 1200u0441 2.3 - 25c in a minute with u043au0430u043du0442u043eu0432u043au043eu0439 every 15 - 20 min and the time of heating 8 to 11 h, and bars u044du0448u043f to the temperature of 1200 1250u0441 at heating the 1.8 2,0u0441 in mines with u043au0430u043du0442u043eu0432u043au043eu0439 in 20 - 25 m in the time of heating a 9.5 12.5 h (u0431u043eu043bu044cu0448u0430u00a0 duration of heating u043eu0442u043du043eu0441u0438u0442u0441u00a0 to preserving and u0441u043bu0438u0442u043au0430u043c large size).;5. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u0446u0435u043du0442u0440u043eu0431u0435u0436u043du043e - alloy billets u043fu0440u043eu043au0430u0442u044bu0432u0430u044eu0442 on u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill in u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 u0433u043eu0440u00a0u0447u0435u043au0430u0442u0430u043du044bu0435 larger diameter pipes based on 2 - 3 u043fu0435u0440u0435u043au0430u0442u043eu0432 on components of cold rolling, and the u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e stitched from the ingot remelting, u043fu0440u043eu043au0430u0442u044bu0432u0430u044eu0442 on u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill in u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 u0433u043eu0440u00a0u0447u0435u043au0430u0442u0430u043du044bu0435 t u0440u0443u0431u044b with 1 - 2 u043fu0435u0440u0435u043au0430u0442u043eu0432 on components of cold rolling.;6. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the bricks u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e remelting diameters up to 500 mm, falling through from a rolling in casings for a firmware with u0432u044bu0442u00a0u0436u043au043eu0439 = 1.2, 1.4, and bars with a diameter of 35 mm or more for two firmware with u0432u044bu0442u00a0u0436u043au0430u043cu0438 respectively 1 = 1.2, 1.4 and 2 = 1.1 to 1.3.;7. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 2, so that the u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 u0434u043bu0438u043du043du043eu043cu0435u0440u043du044bu0435 pipe cold rolling after the intermediate size are u0430u0443u0441u0442u0435u043du0438u0437u0430u0446u0438u0438 regime, temperature heating space at the time of posada 1000 1100u0441, heating power furnace to the temperature 105015u0441 at intervals when the temperature 1 min at 1 mm wall thickness of pipe and u043eu0445u043b u0430u0436u0434u0435u043du0438u0435u043c in air.;8. method for u043fu043f.2 and 7, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0434u043bu0438u043du043du043eu043cu0435u0440u043du044bu0435 pipes after cold rolling and the final size u0430u0443u0441u0442u0435u043du0438u0437u0430u0446u0438u0438 (off) are subjected to heat treatment. posad at a temperature of 700 730u0441 furnace; heating power; extract temperature 68510u0441; u0432u0440u0435u043cu00a0 extracts of 5 to 5.5 hours and cooled in air.