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RU2017123566A - TWO-PHASE STEEL WITH IMPROVED PROPERTIES - Google Patents

TWO-PHASE STEEL WITH IMPROVED PROPERTIES Download PDF

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Publication number
RU2017123566A
RU2017123566A RU2017123566A RU2017123566A RU2017123566A RU 2017123566 A RU2017123566 A RU 2017123566A RU 2017123566 A RU2017123566 A RU 2017123566A RU 2017123566 A RU2017123566 A RU 2017123566A RU 2017123566 A RU2017123566 A RU 2017123566A
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Prior art keywords
steel sheet
molybdenum
manganese
rest
iron
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RU2017123566A
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Russian (ru)
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RU2017123566A3 (en
Inventor
Грант Аарон ТОМАС
Хосе Мауро БАРРОС ЛОС
Луис Гонсало ГАРСА-МАРТИНЕС
Эдди Рэй КЕЙС
Эрик ПЕТЕРСЕН
Прабхат РАСТОГИ
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Ак Стил Пропертиз, Инк.
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Publication of RU2017123566A publication Critical patent/RU2017123566A/en
Publication of RU2017123566A3 publication Critical patent/RU2017123566A3/ru

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    • 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
    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0478—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C23C2/26—After-treatment
    • 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
    • C21D2211/005—Ferrite
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Claims (82)

1. Способ обработки двухфазного стального листа, включающий:1. A method of processing a two-phase steel sheet, including: (a) нагревание стального листа до первой температуры (Т1), причем Т1 по меньшей мере выше температуры, при которой стальной лист претерпевает превращение в аустенит и феррит с образованием по меньшей мере некоторого количества аустенита в стальном листе;(a) heating the steel sheet to a first temperature (T1), wherein T1 is at least higher than the temperature at which the steel sheet undergoes transformation into austenite and ferrite to form at least some austenite in the steel sheet; (b) охлаждение указанного стального листа до второй температуры (Т2) путем охлаждения при скорости охлаждения, причем Т2 ниже температуры (Ms) начала мартенситного превращения, причем указанная скорость охлаждения достаточно высока для превращения по меньшей мере некоторого количества аустенита в мартенсит;(b) cooling said steel sheet to a second temperature (T2) by cooling at a cooling rate, wherein T2 is below the temperature (M s ) of the onset of martensitic transformation, said cooling rate being high enough to convert at least some austenite to martensite; (c) обеспечение перехода стального листа до третьей температуры (Т3), и(c) ensuring the transition of the steel sheet to a third temperature (T3), and (е) охлаждение стального листа до комнатной температуры.(e) cooling the steel sheet to room temperature. 2. Способ по п. 1, дополнительно включающий горячее цинкование или горячее цинкование с последующим отжигом, выполняемое для стального листа после его перехода до Т3.2. The method according to claim 1, further comprising hot-dip galvanizing or hot-dip galvanizing, followed by annealing, performed for the steel sheet after its transition to T3. 3. Способ по п. 1, в котором горячее цинкование или горячее цинкование с последующим отжигом выполняют при температуре выше Ms.3. The method according to p. 1, in which hot dip galvanizing or hot dip galvanizing, followed by annealing, is performed at a temperature above M s . 4. Способ по п. 1, в котором этап охлаждения стального листа до Т2 выполняют до этапа обеспечения перехода стального листа до Т3.4. The method according to claim 1, wherein the step of cooling the steel sheet to T2 is performed before the step of ensuring the transition of the steel sheet to T3. 5. Способ по п. 4, в котором этап обеспечения перехода стального листа до Т3 включает повторный нагрев стального листа от Т2 до Т3.5. The method according to p. 4, in which the step of ensuring the transition of the steel sheet to T3 includes re-heating the steel sheet from T2 to T3. 6. Способ по п. 1, в котором этап охлаждения стального листа до Т2 выполняют после этапа обеспечения перехода стального листа до Т3.6. The method according to claim 1, wherein the step of cooling the steel sheet to T2 is performed after the step of ensuring the transition of the steel sheet to T3. 7. Способ по п. 1, в котором этап охлаждения стального листа до Т2 осуществляют достаточно быстро для превращения по существу всего аустенита в мартенсит.7. The method according to p. 1, in which the step of cooling the steel sheet to T2 is carried out quickly enough to convert essentially all of the austenite into martensite. 8. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:8. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,080-0,1% углерода;0.080-0.1% carbon; 1,7-1,9% марганца;1.7-1.9% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,02% или менее молибдена;0.02% or less of molybdenum; 0,015-0,025% ниобия;0.015-0.025% niobium; 0,2-0,3% хрома и0.2-0.3% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 9. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:9. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,067-0,080% углерода;0.067-0.080% carbon; 1,65-1,82% марганца;1.65-1.82% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,16-0,02% молибдена;0.16-0.02% molybdenum; 0,001% или менее ниобия и0.001% or less niobium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 10. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:10. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,10-0,12% углерода;0.10-0.12% carbon; 2,1-2,3% марганца;2.1-2.3% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,003% или менее ниобия;0.003% or less niobium; 0,2-0,3% хрома и0.2-0.3% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 11. Способ по п. 10, в котором указанный стальной лист дополнительно содержит 0,25-0,35% молибдена.11. The method of claim 10, wherein said steel sheet further comprises 0.25-0.35% molybdenum. 12. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:12. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,10-0,12% углерода;0.10-0.12% carbon; 1,75-1,9% марганца;1.75-1.9% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,035-0,045% ниобия;0.035-0.045% niobium; 0,2-0,3% хрома и0.2-0.3% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 13. Способ по п. 12, в котором указанный стальной лист дополнительно содержит 0,15-0,2% молибдена.13. The method of claim 12, wherein said steel sheet further comprises 0.15-0.2% molybdenum. 14. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:14. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,11-0,13% углерода;0.11-0.13% carbon; 2,4-2,7% марганца;2.4-2.7% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,35-0,45% молибдена;0.35-0.45% molybdenum; 0,004% или менее ниобия;0.004% or less niobium; 0,3-0,4% хрома и0.3-0.4% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 15. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:15. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,80-0,10% углерода;0.80-0.10% carbon; 2,0-2,2% марганца;2.0-2.2% manganese; 0,40-0,50% кремния;0.40-0.50% silicon; 0,04-0,060% ниобия;0.04-0.060% niobium; 0,2-0,3% хрома и0.2-0.3% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 16. Способ по п. 15, в котором указанный стальной лист дополнительно содержит 0,30-0,40% молибдена.16. The method of claim 15, wherein said steel sheet further comprises 0.30-0.40% molybdenum. 17. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:17. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,09-0,10% углерода;0.09-0.10% carbon; 2,25-2,42% марганца;2.25-2.42% manganese; 0,10-0,20% кремния;0.10-0.20% silicon; 0,035-0,045% ниобия;0.035-0.045% niobium; 0,57-0,67% хрома и0.57-0.67% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 18. Способ по п. 17, в котором указанный стальной лист дополнительно содержит 0,08-0,12% молибдена.18. The method of claim 17, wherein said steel sheet further comprises 0.08-0.12% molybdenum. 19. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:19. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,12-0,14% углерода;0.12-0.14% carbon; 2,7-2,9% марганца;2.7-2.9% manganese; 0,15-0,25% кремния;0.15-0.25% silicon; 0,004% или менее ниобия;0.004% or less niobium; 0,3-0,4% хрома и0.3-0.4% chromium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 20. Способ по п. 19, в котором указанный стальной лист дополнительно содержит 0,35-0,45% молибдена.20. The method of claim 19, wherein said steel sheet further comprises 0.35-0.45% molybdenum. 21. Способ по п. 1, в котором указанный стальной лист содержит следующие элементы, в массовых процентах:21. The method according to p. 1, in which the specified steel sheet contains the following elements, in mass percent: 0,11-0,13% углерода;0.11-0.13% carbon; 2,45-2,60% марганца;2.45-2.60% manganese; 0,420-0,580% кремния;0.420-0.580% silicon; 0,05% или менее молибдена;0.05% or less of molybdenum; 0,035-0,045% ниобия и0.035-0.045% niobium and остальное - железо и другие случайные примеси.the rest is iron and other random impurities. 22. Способ по п. 21, в котором указанный стальной лист дополнительно содержит 0,57-0,63% хрома.22. The method of claim 21, wherein said steel sheet further comprises 0.57-0.63% chromium.
RU2017123566A 2015-01-14 2016-01-14 TWO-PHASE STEEL WITH IMPROVED PROPERTIES RU2017123566A (en)

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US201562103286P 2015-01-14 2015-01-14
US62/103,286 2015-01-14
PCT/US2016/013338 WO2016115303A2 (en) 2015-01-14 2016-01-14 Dual phase steel with improved properties

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US (1) US20160201159A1 (en)
EP (1) EP3245310A2 (en)
JP (1) JP2018508653A (en)
KR (2) KR20200003264A (en)
CN (2) CN110218942A (en)
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