MX2020010051A - Articulo moldeado por estampado en caliente, lamina de acero enrollada en frio, y metodo para manufacturar el articulo moldeado por estampado en caliente. - Google Patents

Articulo moldeado por estampado en caliente, lamina de acero enrollada en frio, y metodo para manufacturar el articulo moldeado por estampado en caliente.

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Publication number
MX2020010051A
MX2020010051A MX2020010051A MX2020010051A MX2020010051A MX 2020010051 A MX2020010051 A MX 2020010051A MX 2020010051 A MX2020010051 A MX 2020010051A MX 2020010051 A MX2020010051 A MX 2020010051A MX 2020010051 A MX2020010051 A MX 2020010051A
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Mexico
Prior art keywords
stamp
molded article
hot
area ratio
martensite
Prior art date
Application number
MX2020010051A
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English (en)
Inventor
Koichi Sato
Yoshihiro Suwa
Toshiki Nonaka
Manabu NARUSE
Yasunori Iwasa
Yoshifumi Kobayashi
Original Assignee
Nippon Steel Corp
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Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of MX2020010051A publication Critical patent/MX2020010051A/es

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
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    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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    • C21—METALLURGY OF IRON
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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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
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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
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    • C21—METALLURGY OF IRON
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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
    • C21D8/0221—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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    • 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
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Un acero estampado en caliente de acuerdo con la presente invención comprende componentes químicos específicos, en donde se cumple con la relación representada por la fórmula: (5 x [Si] + [Mn])/[C]> 10 en la cual [C], [Si] y [Mo] representan respectivamente los contenidos, en % en masa de C, Si y Mn, una ferrita y una martensita están contendías respectivamente en una relación de área de 40 a 95% inclusive y de 5 a 60% inclusive, la suma total de la relación de área de la ferrita y la relación del área de la martensita es de 60% o más, por lo menos uno de una perlita a una relación de área de 10% o menos, una austenita retenida a una relación en volumen de 5% o menos y una bainita a una relación de área de menos de 40% puede estar contenido, la dureza de la martensita como se mide en un nanoindentador cumple con una relación representada por la fórmula H2/H1<1.10 y una relación representada por la fórmula: sHM<20, y un valor de TSx?, que es un producto de una resistencia a la tensión (TS) y una relación de expansión de orificio (?), cumple con 50000 MPa % o más.
MX2020010051A 2013-04-02 2015-09-30 Articulo moldeado por estampado en caliente, lamina de acero enrollada en frio, y metodo para manufacturar el articulo moldeado por estampado en caliente. MX2020010051A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013076835 2013-04-02

Publications (1)

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CA2908356A1 (en) 2014-10-09
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US10544475B2 (en) 2020-01-28
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PL2982772T3 (pl) 2019-03-29
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KR101687931B1 (ko) 2016-12-19
RU2015141478A (ru) 2017-05-11
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CN105074038A (zh) 2015-11-18
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