RU2019126029A - Hot stamped part - Google Patents

Hot stamped part Download PDF

Info

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 RU2019126029A3 publication Critical patent/RU2019126029A3/ru
Publication of RU2019126029A publication Critical patent/RU2019126029A/en

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

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
JP2017029318 2017-02-20
JP2017-029318 2017-02-20
PCT/JP2018/006086 WO2018151332A1 (en) 2017-02-20 2018-02-20 Hot stamp moulded body

Publications (2)

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

Family

ID=63170320

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)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110225990A (en) * 2017-02-20 2019-09-10 日本制铁株式会社 Hot press-formed body
EP4286557A1 (en) 2019-03-29 2023-12-06 Nippon Steel Corporation Coated steel member, coated steel sheet, and methods for producing same
CN113490759B (en) * 2019-04-01 2022-10-04 日本制铁株式会社 Hot press-formed article and method for producing same
CN113874536B (en) * 2019-05-31 2022-06-21 日本制铁株式会社 Hot stamp-molded body
US20220195567A1 (en) 2019-05-31 2022-06-23 Nippon Steel Corporation Hot-stamping formed body

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 pressing method
US10072324B2 (en) * 2012-08-06 2018-09-11 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
JPWO2015097882A1 (en) 2013-12-27 2017-03-23 新日鐵住金株式会社 Hot pressed steel plate member, manufacturing method thereof, and hot pressed steel plate
JP2016003389A (en) * 2014-06-20 2016-01-12 株式会社神戸製鋼所 Steel plate for hot pressing, hot pressing molding using steel plate and production method of hot pressing molding
KR101957078B1 (en) * 2015-02-20 2019-03-11 신닛테츠스미킨 카부시키카이샤 Hot-rolled steel sheet
EP3263729B1 (en) * 2015-02-25 2019-11-20 Nippon Steel Corporation Hot-rolled steel sheet
CN110225990A (en) * 2017-02-20 2019-09-10 日本制铁株式会社 Hot press-formed body

Also Published As

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

Similar Documents

Publication Publication Date Title
RU2019126029A (en) Hot stamped part
MX2020005828A (en) Steel sheet, hot-dip zinc-coated steel sheet, and alloyed hot-dip zinc-coated steel sheet.
MX2019003282A (en) High strength and high formability cold-rolled and heat-treated steel sheet and manufacturing method.
ES2578359T3 (en) Method for manufacturing a steel element formed in a hot press and the steel element formed in a hot press
MX2019007165A (en) Tempered and coated steel sheet having excellent formability and a method of manufacturing the same.
MX2018008561A (en) High strength steel sheet having excellent formability and a method of manufacturing the same.
WO2019123240A3 (en) Steel sheet having excellent toughness, ductility and strength, and manufacturing method thereof
UA124354C2 (en) Tempered and coated steel sheet having excellent formability and a method of manufacturing the same
MX2017016794A (en) High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength galvannealed steel sheet.
MX2017010340A (en) High-strength hot-dip galvanized steel sheet and manufacturing method therefor.
RU2016105443A (en) HOT STAMPED ITEM AND METHOD FOR ITS MANUFACTURE
WO2016098964A8 (en) High-strength cold-rolled steel sheet and hot-dipped galvanized steel sheet with low deviation of material properties and excellent formability, and method for manufacturing same
MX2016014990A (en) Double-annealed steel sheet having high mechanical strength and ductility characteristics, method of manufacture and use of such sheets.
MX2018014261A (en) Coated steel sheet and manufacturing method therefor.
MX2020005586A (en) Cold rolled and annealed steel sheet and method of manufacturing the same.
WO2016105115A8 (en) High strength galvanized steel sheet having excellent surface quality, plating adhesion, and formability, and method for manufacturing same
CO2017009718A2 (en) Steel sheet for a can and method of manufacturing it
RU2019124005A (en) SUPPLIED ALUMINUM COATED STEEL SHEET FOR HOT FORMING AND HOT FORMED STEEL ELEMENT
MX2018011778A (en) Thin steel sheet, plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing thin steel sheet, and method for producing plated steel sheet.
MX2019012451A (en) High formability steel sheet for the manufacture of lightweight structural parts and manufacturing process.
MX2022005693A (en) Coated steel member, coated steel sheet, and methods respectively manufacturing those.
WO2017111443A8 (en) High-strength structural steel sheet having excellent heat treatment resistance and manufacturing method thereof
MX2022007459A (en) Cold rolled and heat-treated steel sheet and method of manufacturing the same.
MX2022007458A (en) Cold-rolled and annealed steel sheet and manufacturing method.
WO2020130436A3 (en) High-strength structural steel having excellent cold bendability, and manufacturing method therefor

Legal Events

Date Code Title Description
FA94 Acknowledgement of application withdrawn (non-payment of fees)

Effective date: 20210329