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RU2019126029A - Hot stamped part - Google Patents

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Publication number
RU2019126029A
RU2019126029A RU2019126029A RU2019126029A RU2019126029A RU 2019126029 A RU2019126029 A RU 2019126029A RU 2019126029 A RU2019126029 A RU 2019126029A RU 2019126029 A RU2019126029 A RU 2019126029A RU 2019126029 A RU2019126029 A RU 2019126029A
Authority
RU
Russia
Prior art keywords
less
hot
thickness
sheet
content
Prior art date
Application number
RU2019126029A
Other languages
Russian (ru)
Other versions
RU2019126029A3 (en
Inventor
Юри ТОДА
Генки АБУКАВА
Дайсуке МАЕДА
Кадзуо ХИКИДА
Синго ФУДЗИНАКА
Original Assignee
Ниппон Стил Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ниппон Стил Корпорейшн filed Critical Ниппон Стил Корпорейшн
Publication of RU2019126029A publication Critical patent/RU2019126029A/en
Publication of RU2019126029A3 publication Critical patent/RU2019126029A3/ru

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • B21D22/022Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Claims (22)

1. Горячештампованная деталь, содержащая среднюю часть по толщине листа и размягченный слой, расположенный по обе стороны или по одну сторону от средней части по толщине листа, причем1. Hot-stamped part containing the middle part in the thickness of the sheet and a softened layer located on both sides or one side of the middle part in the thickness of the sheet, and средняя часть по толщине листа содержит, в мас.%:the middle part of the thickness of the sheet contains, in wt.%: C: 0,20 или более и менее 0,70,C: 0.20 or more and less than 0.70, Si: менее 3,00,Si: less than 3.00, Mn: 0,20 или более и менее 3,00,Mn: 0.20 or more and less than 3.00, P: 0,10 или менее,P: 0.10 or less, S: 0,10 или менее,S: 0.10 or less, раств. Al: 0,0002 или более и 3,0000 или менее,sol. Al: 0.0002 or more and 3.0000 or less, N: 0,01 или менее, N: 0.01 or less остальное - Fe и неизбежные примеси, и имеет твердость 500HV или более и 800HV или менее,the rest is Fe and unavoidable impurities, and has a hardness of 500HV or more and 800HV or less, в структуре металла от глубины на 20 мкм ниже поверхности размягченного слоя до глубины на 1/2 от толщины размягченного слоя, в сечении, параллельном направлению по толщине листа, при задании в качестве кристаллического зерна области, окруженной границами зерен, имеющих разориентацию 15° или выше, общая доля площади кристаллических зерен с максимальной разориентацией кристаллов внутри кристаллических зерен 1° или менее и кристаллических зерен с максимальной разориентацией кристаллов внутри кристаллических зерен 8° или более и 15° или менее составляет 50% или более и менее 85%.in the metal structure from a depth of 20 μm below the surface of the softened layer to a depth of 1/2 of the thickness of the softened layer, in a section parallel to the direction along the thickness of the sheet, when setting as the crystal grain a region surrounded by grain boundaries having a misorientation of 15 ° or higher , the total area fraction of crystal grains with maximum crystal misorientation within crystal grains of 1 ° or less and crystal grains with maximum crystal misorientation within crystal grains of 8 ° or more and 15 ° or less is 50% or more and less than 85%. 2. Горячештампованная деталь по п. 1, в которой содержание Si составляет 0,50% или менее и содержание Mn составляет 0,20% или более и менее 1,50%.2. The hot-formed part according to claim 1, wherein the Si content is 0.50% or less and the Mn content is 0.20% or more and less than 1.50%. 3. Горячештампованная деталь по п. 1, в которой содержание Si составляет 0,50% или менее и содержание Mn составляет 1,50% или более и менее 3,00%.3. The hot-formed part according to claim 1, wherein the Si content is 0.50% or less and the Mn content is 1.50% or more and less than 3.00%. 4. Горячештампованная деталь по п. 1, в которой содержание Si составляет более 0,50% и менее 3,00%, содержание Mn составляет 0,20% или более и менее 1,50%, а средняя часть по толщине листа содержит, как процент от площади, 1,0% или более и менее 5,0% остаточного аустенита.4. The hot-formed part according to claim 1, wherein the Si content is more than 0.50% and less than 3.00%, the Mn content is 0.20% or more and less than 1.50%, and the middle portion in the sheet thickness contains, as a percentage of area, 1.0% or more and less than 5.0% retained austenite. 5. Горячештампованная деталь по п. 1, в которой содержание Si составляет более 0,50% и менее 3,00%, содержание Mn составляет 1,50% или более и менее 3,00%, а средняя часть по толщине листа содержит, как процент от площади, 1,0% или более и менее 5,0% остаточного аустенита.5. Hot-stamped part according to claim 1, in which the Si content is more than 0.50% and less than 3.00%, the Mn content is 1.50% or more and less than 3.00%, and the middle portion in the sheet thickness contains, as a percentage of area, 1.0% or more and less than 5.0% retained austenite. 6. Горячештампованная деталь по любому из пп. 1-5, в которой средняя часть по толщине листа дополнительно содержит, в мас.%: Ni: 0,01 или более и 3,00 или менее.6. Hot-stamped part according to any one of paragraphs. 1-5, in which the middle portion along the sheet thickness additionally contains, in wt%: Ni: 0.01 or more and 3.00 or less. 7. Горячештампованная деталь по любому из пп. 1-5, в которой средняя часть по толщине листа дополнительно содержит, в мас.%, один или несколько элементов из: Nb: 0,010 или более и 0,150 или менее, Ti: 0,010 или более и 0,150 или менее, Mo: 0,005 или более и 1,000 или менее и B: 0,0005 или более и 0,0100 или менее.7. Hot-stamped part according to any one of paragraphs. 1-5, in which the middle portion in the thickness of the sheet further contains, in wt.%, One or more elements of: Nb: 0.010 or more and 0.150 or less, Ti: 0.010 or more and 0.150 or less, Mo: 0.005 or more and 1,000 or less and B: 0.0005 or more and 0.0100 or less. 8. Горячештампованная деталь по п. 6, в которой средняя часть по толщине листа дополнительно содержит, в мас.%, один или несколько элементов из: Nb: 0,010 или более и 0,150 или менее, Ti: 0,010 или более и 0,150 или менее, Mo: 0,005 или более и 1,000 или менее и B: 0,0005 или более и 0,0100 или менее.8. Hot-stamped part according to claim 6, in which the middle portion in the thickness of the sheet additionally contains, in wt.%, One or more elements of: Nb: 0.010 or more and 0.150 or less, Ti: 0.010 or more and 0.150 or less, Mo: 0.005 or more and 1,000 or less and B: 0.0005 or more and 0.0100 or less. 9. Горячештампованная деталь по любому из пп. 1-5, в которой на размягченном слое сформирован слой покрытия.9. Hot-stamped part according to any one of paragraphs. 1-5, in which a coating layer is formed on the softened layer. 10. Горячештампованная деталь по п. 6, в которой на размягченном слое сформирован слой покрытия.10. The hot-formed part of claim 6, wherein a coating layer is formed on the softened layer. 11. Горячештампованная деталь по п. 7, в которой на размягченном слое сформирован слой покрытия. 11. The hot-formed part of claim 7, wherein a coating layer is formed on the softened layer. 12. Горячештампованная деталь по п. 8, в которой на размягченном слое сформирован слой покрытия.12. The hot-formed part of claim 8, wherein a coating layer is formed on the softened layer.
RU2019126029A 2017-02-20 2018-02-20 Hot stamped part RU2019126029A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017-029318 2017-02-20
JP2017029318 2017-02-20
PCT/JP2018/006086 WO2018151332A1 (en) 2017-02-20 2018-02-20 Hot stamp moulded body

Publications (2)

Publication Number Publication Date
RU2019126029A true RU2019126029A (en) 2021-03-22
RU2019126029A3 RU2019126029A3 (en) 2021-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2019126029A RU2019126029A (en) 2017-02-20 2018-02-20 Hot stamped part

Country Status (11)

Country Link
US (1) US20200230681A1 (en)
EP (1) EP3584345A1 (en)
JP (2) JP6617835B2 (en)
KR (1) KR20190108128A (en)
CN (1) CN110225990A (en)
BR (1) BR112019017074A2 (en)
CA (1) CA3053659A1 (en)
MX (1) MX2019009880A (en)
RU (1) RU2019126029A (en)
TW (1) TWI666331B (en)
WO (1) WO2018151332A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2019009880A (en) * 2017-02-20 2019-10-04 Nippon Steel Corp Hot stamp moulded body.
EP4286557A1 (en) 2019-03-29 2023-12-06 Nippon Steel Corporation Coated steel member, coated steel sheet, and methods for producing same
JP7127735B2 (en) * 2019-04-01 2022-08-30 日本製鉄株式会社 HOT STAMP MOLDED PRODUCT AND METHOD FOR MANUFACTURING THE SAME
JP7151890B2 (en) 2019-05-31 2022-10-12 日本製鉄株式会社 hot stamped body
US11884989B2 (en) * 2019-05-31 2024-01-30 Nippon Steel Corporation Hot-stamping formed body
WO2021162084A1 (en) * 2020-02-13 2021-08-19 日本製鉄株式会社 Hot stamp molded article

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006104546A (en) 2004-10-08 2006-04-20 Nippon Steel Corp High strength automobile member and hot press method
CA2879540C (en) * 2012-08-06 2018-06-12 Nippon Steel & Sumitomo Metal Corporation Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body
JP5994748B2 (en) * 2013-08-05 2016-09-21 Jfeスチール株式会社 High-strength press parts and manufacturing method thereof
KR101568549B1 (en) * 2013-12-25 2015-11-11 주식회사 포스코 Steel sheet for hot press formed product having high bendability and ultra high strength, hot press formed product using the same and method for manufacturing the same
US10273555B2 (en) 2013-12-27 2019-04-30 Nippon Steel & Sumitomo Metal Corporation Hot-pressed steel sheet member
JP2016003389A (en) * 2014-06-20 2016-01-12 株式会社神戸製鋼所 Steel sheet for hot pressing, hot press-formed product using the steel sheet, and manufacturing method thereof
CN107208209B (en) * 2015-02-20 2019-04-16 新日铁住金株式会社 Hot rolled steel plate
PL3263729T3 (en) * 2015-02-25 2020-05-18 Nippon Steel Corporation Hot-rolled steel sheet
MX2019009880A (en) * 2017-02-20 2019-10-04 Nippon Steel Corp Hot stamp moulded body.

Also Published As

Publication number Publication date
WO2018151332A1 (en) 2018-08-23
JP6617835B2 (en) 2019-12-11
EP3584345A1 (en) 2019-12-25
US20200230681A1 (en) 2020-07-23
JP2020045562A (en) 2020-03-26
JPWO2018151332A1 (en) 2019-02-21
TW201835354A (en) 2018-10-01
KR20190108128A (en) 2019-09-23
CA3053659A1 (en) 2018-08-23
CN110225990A (en) 2019-09-10
MX2019009880A (en) 2019-10-04
BR112019017074A2 (en) 2020-04-07
TWI666331B (en) 2019-07-21
RU2019126029A3 (en) 2021-03-22

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Effective date: 20210329