MX2019001147A - Lamina de acerro de alta resistencia y metodo para producir la misma. - Google Patents

Lamina de acerro de alta resistencia y metodo para producir la misma.

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Publication number
MX2019001147A
MX2019001147A MX2019001147A MX2019001147A MX2019001147A MX 2019001147 A MX2019001147 A MX 2019001147A MX 2019001147 A MX2019001147 A MX 2019001147A MX 2019001147 A MX2019001147 A MX 2019001147A MX 2019001147 A MX2019001147 A MX 2019001147A
Authority
MX
Mexico
Prior art keywords
less
steel sheet
thin steel
strength thin
bainite
Prior art date
Application number
MX2019001147A
Other languages
English (en)
Inventor
Matsuda Hiroshi
Ikeda Rinsei
Takashima Katsutoshi
Taniguchi Koichi
Kobayashi Takashi
Original Assignee
Jfe Steel Corp
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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of MX2019001147A publication Critical patent/MX2019001147A/es

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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
    • 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
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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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • C—CHEMISTRY; METALLURGY
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    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
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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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
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    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
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    • C21D6/00—Heat treatment of ferrous alloys
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    • C—CHEMISTRY; METALLURGY
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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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    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
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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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
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    • C21D2211/00—Microstructure comprising significant phases
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    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02P10/20—Recycling

Abstract

Se proporcionan una lamina de acero de alta resistencia y un metodo para producir la misma, la lamina de acero tiene una alta resistencia a la traccion, un alto alargamiento, capacidad de expansion del orificio y capacidad de flexion, ademas de tener una excelente caracteristica de resistencia al agrietamiento frente a la soldadura de resistencia, de manera que las grietas si no se producen incluso durante la soldadura de resistencia. Esta lamina de acero de alta resistencia incluye una composicion especifica; una estructura multifase que incluye, en fraccion de volumen, ferrita del 35% al 65%, austenita residual del 7% o menos (incluyendo 0%), martensita del 20% al 60%, bainita del 20% o menos (incluyendo 0%) ), la ferrita tiene un tamano promedio de grano de cristal de 8 µm o menos y una proporcion de aspecto media de 3.5 o menos, la martensita tiene un tamano promedio de grano de cristal de 3 µm o menos, y la bainita tiene un promedio tamano de grano de cristal de 3 µm o menos cuando estan contenidos; y una desviacion estandar de dureza Vickers de la lamina de acero que es de 30 o menos cuando se mide a intervalos de 200 µm desde una posicion de 100 µm de una superficie a una porcion central en una direccion de espesor de la lamina.
MX2019001147A 2016-08-10 2017-08-10 Lamina de acerro de alta resistencia y metodo para producir la misma. MX2019001147A (es)

Applications Claiming Priority (2)

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JP2016157759 2016-08-10
PCT/JP2017/029034 WO2018030500A1 (ja) 2016-08-10 2017-08-10 高強度薄鋼板およびその製造方法

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US (1) US11136643B2 (es)
EP (1) EP3467134B1 (es)
JP (1) JP6354075B1 (es)
KR (1) KR102173601B1 (es)
CN (1) CN109477185B (es)
MX (1) MX2019001147A (es)
WO (1) WO2018030500A1 (es)

Families Citing this family (14)

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JP5397437B2 (ja) * 2011-08-31 2014-01-22 Ｊｆｅスチール株式会社 加工性と材質安定性に優れた冷延鋼板用熱延鋼板、溶融亜鉛めっき鋼板用熱延鋼板およびその製造方法
MX2019001147A (es) 2016-08-10 2019-06-10 Jfe Steel Corp Lamina de acerro de alta resistencia y metodo para producir la misma.
WO2019003447A1 (ja) 2017-06-30 2019-01-03 Ｊｆｅスチール株式会社 熱間プレス部材およびその製造方法ならびに熱間プレス用冷延鋼板
WO2019003445A1 (ja) * 2017-06-30 2019-01-03 Ｊｆｅスチール株式会社 熱間プレス部材およびその製造方法ならびに熱間プレス用冷延鋼板
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JP6954211B2 (ja) * 2018-03-30 2021-10-27 日本製鉄株式会社 金属成形板、塗装金属成形板および成形方法
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