RU2015155181A - METHOD FOR MANUFACTURING DETAILS BY HOT STEEL WORKING DEFORMATION - Google Patents

METHOD FOR MANUFACTURING DETAILS BY HOT STEEL WORKING DEFORMATION Download PDF

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RU2015155181A
RU2015155181A RU2015155181A RU2015155181A RU2015155181A RU 2015155181 A RU2015155181 A RU 2015155181A RU 2015155181 A RU2015155181 A RU 2015155181A RU 2015155181 A RU2015155181 A RU 2015155181A RU 2015155181 A RU2015155181 A RU 2015155181A
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max
preform
temperature
hot
pipe
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RU2015155181A
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RU2015155181A3 (en
RU2664848C2 (en
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Штефан МЮТЦЕ
Михаэль Браун
Манюэль МАЙКРАНЦ-ВАЛЕНТИН
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Зальцгиттер Флахшталь Гмбх
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    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • C—CHEMISTRY; METALLURGY
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    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
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    • C21D1/673—Quenching devices for die quenching
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon
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    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Claims (50)

1. Способ изготовления детали путем горячей деформации стальной заготовки, в котором заготовку нагревают до температуры деформации, а затем деформируют, причем деталь после деформации имеет бейнитную микроструктуру с минимальной прочностью на разрыв 800 МПа, отличающийся тем, что нагрев осуществляют до температуры ниже температуры превращения Ac1, причем указанная заготовка изготовлена из стали с микроструктурой с по меньшей мере 50% бейнита, и причем указанная заготовка имеет следующий состав сплава в мас.%:1. A method of manufacturing a part by hot deformation of a steel preform, in which the preform is heated to a deformation temperature and then deformed, the part after deformation having a bainitic microstructure with a minimum tensile strength of 800 MPa, characterized in that the heating is carried out to a temperature below the transformation temperature Ac 1 , said billet being made of steel with a microstructure with at least 50% bainite, and said billet having the following alloy composition in wt.%: С: 0,02-0,3C: 0.02-0.3 Si: 0,01-0,5Si: 0.01-0.5 Mn: 1,0-3,0Mn: 1.0-3.0 Р: макс. 0,02P: max. 0.02 S: макс. 0,01S: max. 0.01 N: макс. 0,01N: max 0.01 Al: до 0,1Al: up to 0.1 Cu: до 0,2Cu: up to 0.2 Cr: до 3,0Cr: up to 3.0 Ni: до 0,2Ni: up to 0.2 Мо: до 0,2Mo: up to 0.2 Ti: до 0,2Ti: up to 0.2 V: до 0,2V: up to 0.2 Nb: до 0,1Nb: up to 0.1 В: до 0,01.B: up to 0.01. 2. Способ по п. 1, отличающийся тем, что указанная микроструктура содержит по меньшей мере 70% бейнита, доли остаточного аустенита и мартенсита составляют менее 10%, а остаток представляет собой феррит.2. The method according to p. 1, characterized in that said microstructure contains at least 70% bainite, the fraction of residual austenite and martensite is less than 10%, and the remainder is ferrite. 3. Способ по п. 1, отличающийся тем, что указанная сталь содержит сплав следующего состава в мас.%:3. The method according to p. 1, characterized in that said steel contains an alloy of the following composition in wt.%: С: 0,02-0,11C: 0.02-0.11 Si: 0,01-0,5Si: 0.01-0.5 Mn: 1,0-2,0Mn: 1.0-2.0 Р: макс. 0,02P: max. 0.02 S: макс. 0,01S: max. 0.01 N: макс. 0,01N: max 0.01 Alмин.: 0,015-0,1Al min : 0.015-0.1 В: макс. 0,004B: max. 0.004 Nb+V+Ti: макс. 0,2.Nb + V + Ti: max. 0.2. 4. Способ по п. 1, отличающийся тем, что указанная сталь содержит сплав следующего состава в мас.%:4. The method according to p. 1, characterized in that said steel contains an alloy of the following composition in wt.%: С: 0,05-0,11C: 0.05-0.11 Si: 0,1-0,5Si: 0.1-0.5 Mn: 1,0-2,0Mn: 1.0-2.0 Р: макс. 0,02P: max. 0.02 S: макс. 0,01S: max. 0.01 N: 0,003-0,01N: 0.003-0.01 Alмин.: 0,03-0,1Al min : 0.03-0.1 В: макс. 0,004B: max. 0.004 Мо: 0,04-0,2Mo: 0.04-0.2 Ti: 0,04-0,2Ti: 0.04-0.2 Nb+V+Ti: 0,1-0,2.Nb + V + Ti: 0.1-0.2. 5. Способ по п. 1, отличающийся тем, что нагрев заготовки до температуры горячей деформации осуществляют лишь частично, а частичный нагрев, при необходимости, осуществляют выше температуры превращения Ас1.5. The method of claim. 1, characterized in that the heating of the preform to a hot working temperature is carried out only partially, and partial heating, if necessary, is carried out above the Ac1 transformation temperature. 6. Способ по п. 1, отличающийся тем, что указанную заготовку нагревают до температуры ниже 720°С.6. The method according to p. 1, characterized in that the said preform is heated to a temperature below 720 ° C. 7. Способ по п. 6, отличающийся тем, что указанную заготовку нагревают до температуры в диапазоне 400-700°С.7. The method according to p. 6, characterized in that the said preform is heated to a temperature in the range of 400-700 ° C. 8. Способ по п. 7, отличающийся тем, что указанную заготовку нагревают до температуры в диапазоне 500-700°С.8. The method according to p. 7, characterized in that said preform is heated to a temperature in the range of 500-700 ° C. 9. Способ по п. 1, отличающийся тем, что перед нагревом указанную заготовку снабжают металлическим или лакообразным покрытием.9. The method according to p. 1, characterized in that before heating the specified workpiece is provided with a metal or varnish coating. 10. Способ по п. 9, отличающийся тем, что указанное металлическое покрытие содержит Zn и/или Mg и/или Si.10. The method according to p. 9, characterized in that the metal coating contains Zn and / or Mg and / or Si. 11. Способ по п. 1, отличающийся тем, что нагрев до температуры деформации осуществляют индуктивно, кондуктивно и/или посредством излучения.11. The method according to p. 1, characterized in that the heating to a temperature of deformation is carried out inductively, conductively and / or by radiation. 12. Способ по любому из пп. 1-11, отличающийся тем, что в качестве указанной заготовки используют листовую заготовку или трубу.12. The method according to any one of paragraphs. 1-11, characterized in that as the specified preform use a sheet preform or pipe. 13. Способ по п. 12, отличающийся тем, что указанная листовая заготовка образована из горяче- и/или холоднокатаной полосы.13. The method according to p. 12, characterized in that said sheet blank is formed from a hot and / or cold rolled strip. 14. Способ по п. 12, отличающийся тем, что указанная труба представляет собой бесшовную горячекатаную трубу или изготовленную из горяче- и/или холоднокатаной полосы сварную трубу.14. The method according to p. 12, wherein said pipe is a seamless hot-rolled pipe or a welded pipe made of a hot and / or cold-rolled strip. 15. Способ по п. 14, отличающийся тем, что указанная труба представляет собой бесшовную горячекатаную трубу или изготовленную из горяче- и/или холоднокатаной полосы сварную трубу, дополнительно подвергнутую одному или нескольким процессам волочения и/или отжига.15. The method according to p. 14, characterized in that said pipe is a seamless hot-rolled pipe or a welded pipe made of a hot and / or cold-rolled strip, additionally subjected to one or more drawing and / or annealing processes.
RU2015155181A 2013-05-28 2014-04-30 Method of manufacturing details by steel billet hot deformation RU2664848C2 (en)

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DE102013009232.9 2013-05-28
DE102013009232.9A DE102013009232A1 (en) 2013-05-28 2013-05-28 Process for producing a component by hot forming a precursor of steel
PCT/DE2014/000233 WO2014190957A1 (en) 2013-05-28 2014-04-30 Method for producing a component by hot forming a pre-product made of steel

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