MX2023003557A - Lamina de acero laminado en frio de alta resistencia, lamina de acero galvanizado por inmersion en caliente, lamina de acero galvanizado por inmersion en caliente aleado, y metodos para producir las mismas. - Google Patents

Lamina de acero laminado en frio de alta resistencia, lamina de acero galvanizado por inmersion en caliente, lamina de acero galvanizado por inmersion en caliente aleado, y metodos para producir las mismas.

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Publication number
MX2023003557A
MX2023003557A MX2023003557A MX2023003557A MX2023003557A MX 2023003557 A MX2023003557 A MX 2023003557A MX 2023003557 A MX2023003557 A MX 2023003557A MX 2023003557 A MX2023003557 A MX 2023003557A MX 2023003557 A MX2023003557 A MX 2023003557A
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MX
Mexico
Prior art keywords
steel sheet
mass
galvanized steel
dipped galvanized
hot
Prior art date
Application number
MX2023003557A
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English (en)
Inventor
Michiharu Nakaya
Shinjiro Kanetada
Original Assignee
Kobe Steel Ltd
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Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of MX2023003557A publication Critical patent/MX2023003557A/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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • 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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
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    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • 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
    • C21D8/0221—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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
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    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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  • Chemical & Material Sciences (AREA)
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  • Materials Engineering (AREA)
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Abstract

Una lámina de acero laminado en frío de alta resistencia de acuerdo con un aspecto de la presente invención contiene, en % en masa: C: 0.070 a 0.140 %; Si: 0.80 a 1.80 %; y Mn: 1.80 a 2.80 %, con el balance siendo hierro e impurezas inevitables; en relación de área en una estructura observada con un microscopio electrónico de barrido, bainita, martensita templada, y fases duras compuestas de al menos uno de cementita y MA constituida por martensita templada y austenita recuperada combinadas juntas contabilizan 85 % o más en total, la fase dura con una amplitud de 0.4 µm o menos y una longitud de 1.2 µm o más contabiliza el 0.5 % o más, la fase dura con una amplitud de 1.2 µm o más contabiliza el 5.0 % o menos, y estructuras diferentes a la bainita, la martensita templada, y la fase dura contabilizan 15 % o menos; y en relación de volumen medida por difractometría de rayos X, austenita recuperada contabiliza el 3.0 % o más y 7.0 % o menos.
MX2023003557A 2020-10-06 2021-09-22 Lamina de acero laminado en frio de alta resistencia, lamina de acero galvanizado por inmersion en caliente, lamina de acero galvanizado por inmersion en caliente aleado, y metodos para producir las mismas. MX2023003557A (es)

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JP2020169102 2020-10-06
PCT/JP2021/034887 WO2022075072A1 (ja) 2020-10-06 2021-09-22 高強度冷延鋼板、溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板、ならびにこれらの製造方法

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MX2023003557A true MX2023003557A (es) 2023-04-21

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US (1) US20230357874A1 (es)
EP (1) EP4198149A4 (es)
JP (1) JP2022061461A (es)
KR (1) KR20230059816A (es)
CN (1) CN116601315A (es)
MX (1) MX2023003557A (es)
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JP6085348B2 (ja) 2015-01-09 2017-02-22 株式会社神戸製鋼所 高強度めっき鋼板、並びにその製造方法
JP6554396B2 (ja) 2015-03-31 2019-07-31 株式会社神戸製鋼所 加工性および衝突特性に優れた引張強度が９８０ＭＰａ以上の高強度冷延鋼板、およびその製造方法
US20210324492A1 (en) * 2018-10-18 2021-10-21 Jfe Steel Corporation Steel sheet and method for producing same
JP6597939B1 (ja) * 2018-12-11 2019-10-30 日本製鉄株式会社 成形性及び耐衝撃性に優れた高強度鋼板、及び、成形性及び耐衝撃性に優れた高強度鋼板の製造方法
JP7340809B2 (ja) 2019-04-01 2023-09-08 ヤマキ電器株式会社 ナノカーボン複合セラミックス及びその製造方法

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