METHOD production of ingots billets electroslag remelting of hard steels and alloys and rolling TRADEMARK OF THEM PIPE large and medium diameter at the pipe-rolling installation with Pilger mills and pig pipes for future re-rolling on the mill HPT

摘要

1.method of manufacturing metal bars is u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u044bu043c u043fu0435u0440u0435u043fu043bu0430u0432u043eu043c of u0442u0440u0443u0434u043du043eu0434u0435u0444u043eu0440u043cu0438u0440u0443u0435u043cu044bu0445 steel and alloy and rolling of product pipes of big and medium the diameter at the u0442u0440u0443u0431u043eu043fu0440u043eu043au0430u0442u043du044bu0445 plants with u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u044bu043cu0438 states and u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0445 pipes u0434u043bu00a0 subsequent u043fu0435u0440u0435u043au0430u0442u0430 in countries u0445u043fu0442 comprising electro casting ingot u0448u043bu0430u043au043eu0432u044bu043c u043fu0435u0440u0435u043fu043bu0430u0432u043eu043c size 420 620175050 mmmachining is u043eu0431u0442u043eu0447u043au0443 in ingots, billets 600175050 size of 400 mm, drilling central u043eu0442u0432u0435u0440u0441u0442u0438u00a0 1005,0 mm diameter, heating to the temperature of with u0432u0435u0440u043bu0435u043du044bu0445 bars, billets, and u044du043au0441u043fu0430u043du0434u0438u0440u043eu0432u0430u043du0438u0435 them radially - u043au043eu0432u043eu0447u043du044bu0445 cars in shell - plates with subsequent u043eu0431u0442u043eu0447u043au043eu0439 and u0440u0430u0441u0442u043eu0447u043au043eu0439 to u0443u0434u0430u043bu0435u043du0438u00a0 u043au043eu0432u043eu0447u043du044bu0445 u0434u0435u0444u0435u043au0442u043e in,as well as u0440u0430u0441u0442u043eu0447u043au0443 internal diameter u0441u0432u0435u0440u043bu0435u043du044bu0445 bars, blanks in the shell - plates with internal diameter of 30 to 35 mm more diameter dorne, heating bars - u0437u0430u0433u043eu0442 u043eu0432u043eu043a and casings, billet temperatures plasticity, firmware u0441u0432u0435u0440u043bu0435u043du044bu0445 bars, workpieces with a diameter of 400 - 500 mm in a rolling mill in the u043fu0440u043eu043au0430u0442u043au0443 casings.u044du043au0441u043fu0430u043du0434u0438u0440u043eu0432u0430u043du043du044bu0445 and u0440u0430u0441u0442u043eu0447u0435u043du043du044bu0445 casings - blanks on the u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill with u043fu043eu0434u043au043bu0430u0434u043du044bu043cu0438 u0443u0433u043bu0435u0440u043eu0434u0438u0441u0442u044bu043cu0438 rings in the product or u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0445 pipes of 219 426 mm per u0432u0443u044e firmware u0441u0432u0435u0440u043bu0435u043du044bu0445 bars - billet diameter 540 - 600 mm in diameter on the u043eu043fu0440u0430u0432u043au0435 casings without lifting the diameter of 250 to 275 mm, a heating cartridge with u0433u043eu0440u00a0u0447u0435u0433u043e or hal. a posada to temperature plasticity.new firmware is u0440u0430u0441u043au0430u0442u043au0443 in a rolling mill to a greater diameter u043eu043fu0440u0430u0432u043au0435 dorne at 20 - 25 mm, u043fu0440u043eu043au0430u0442u043au0443 casings in the product or u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 pipe diameter 351 - 450 mm u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c mill with u043fu043eu0434u043au043bu0430u0434u043du044bu043cu0438 u0443u0433u043bu0435u0440u043eu0434u0438u0441u0442u044bu043cu0438 rings, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e remelting ingots with diameter of sunshine in u043fu043eu043bu044bu043cu0438 attitude and the thickness of the wall;d / s = k1.;and height;h = k2 * d;where d is the outer diameter of the hollow ingot u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e remelting, mm;;s - wall thickness is u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e ingot remelting, mm;;n = 2500 - 3000 - height u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e hollow ingot remelting, mm;;k1 = (4.0 - 6.0) is the big u0437u043du0430u0447u0435u043du0438u00a0 which are u0434u043bu00a0 hollow bars of greater diameter.;k2 = (4.0 - 7.0) - the big u0437u043du0430u0447u0435u043du0438u00a0 which are u0434u043bu00a0 hollow ingots of smaller diameter.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the hollow ingots u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u043eu0433u043e remelting u0440u0430u0441u0442u0430u0447u0438u0432u0430u044eu0442 and u043eu0431u0442u0430u0447u0438u0432u0430u044eu0442 in bars, billets to u0443u0434u0430u043bu0435u043du0438u00a0 flux and defects of foundry ol u043eu0438u0441u0445u043eu0436u0434u0435u043du0438u00a0 with purity Rz40 capillary inner surface and the outer Rz60 microns.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the hollow ingots, billets are heated to the temperature of the u043fu0438u043bu0438u0433u0440u0438u043cu043eu0432u043eu043c and u043fu0440u043eu043au0430u0442u044bu0432u0430u044eu0442) in the product pipe diameter 219 - 426 mm with u0432u044bu0442u00a0u0436u043au043eu0439 6.0, and u043fu0435u0440u0435u0434u0435u043bu044cu043du044bu0435 diameter 273 - 450 mm with u0432u044bu0442u00a0u0436u043au043eu0439 4.0.