MX2020010185A - Lamina de acero galvanizada de alta resistencia, miembro de alta resistencia, y metodo para la fabricacion de los mismos. - Google Patents

Lamina de acero galvanizada de alta resistencia, miembro de alta resistencia, y metodo para la fabricacion de los mismos.

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Publication number
MX2020010185A
MX2020010185A MX2020010185A MX2020010185A MX2020010185A MX 2020010185 A MX2020010185 A MX 2020010185A MX 2020010185 A MX2020010185 A MX 2020010185A MX 2020010185 A MX2020010185 A MX 2020010185A MX 2020010185 A MX2020010185 A MX 2020010185A
Authority
MX
Mexico
Prior art keywords
steel sheet
strength
galvanized steel
less
manufacturing methods
Prior art date
Application number
MX2020010185A
Other languages
English (en)
Inventor
Tatsuya Nakagaito
Yoshitsugu Suzuki
Masaki Koba
Hiromi Yoshitomi
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 MX2020010185A publication Critical patent/MX2020010185A/es

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    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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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
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    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
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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
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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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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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • 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
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    • 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
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D8/0447—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 characterised by the heat treatment
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    • 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
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    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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    • 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
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    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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

Abstract

Los aspectos de la presente invención son proporcionar una lámina de acero galvanizada de alta resistencia y un miembro de alta resistencia excelentes en capacidad de enchapado y capacidad de flexión, y un método para fabricarlos. Una lámina de acero galvanizada de alta resistencia incluye una lámina de acero que tiene una composición química que contiene un elemento componente predeterminado, una relación másica de un contenido de Si a un contenido de Mn en el acero (Si/Mn) que es de 0.1 o más y menos de 0.2, y el resto: Fe e impurezas incidentales, y una estructura de acero en la cual un tamaño de grano promedio de inclusiones que contienen por lo menos uno de Al, Si, Mg, y Ca y que existen en un área que se extiende desde una superficie hasta una posición de 1/3 de un espesor de lámina es de 50 µm o menos, y una distancia más cercana promedio entre unas de las inclusiones es de 20 µm o más; y una capa galvanizada proporcionada sobre una superficie de la lámina de acero y que tiene un peso de recubrimiento por una superficie de 20 g/m2 o más y 120 g/m2 o menos, en la cual la cantidad de hidrógeno difusible contenido en el acero es de menos de 0.25 ppm en masa, y una tensión de rotura es de 1100 MPa o más.
MX2020010185A 2018-03-30 2019-03-29 Lamina de acero galvanizada de alta resistencia, miembro de alta resistencia, y metodo para la fabricacion de los mismos. MX2020010185A (es)

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PCT/JP2019/014234 WO2019189848A1 (ja) 2018-03-30 2019-03-29 高強度亜鉛めっき鋼板、高強度部材およびそれらの製造方法

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CN111936649A (zh) 2020-11-13
KR20200123241A (ko) 2020-10-28
CN111936649B (zh) 2022-05-03
EP3748028A4 (en) 2020-12-09
EP3748028B1 (en) 2022-08-24
US20210025045A1 (en) 2021-01-28
EP3748028A1 (en) 2020-12-09
KR102469708B1 (ko) 2022-11-21
JPWO2019189848A1 (ja) 2020-04-30
WO2019189848A1 (ja) 2019-10-03
US11560614B2 (en) 2023-01-24
JP6624352B1 (ja) 2019-12-25

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