MX2017013451A - Lamina de acero chapada. - Google Patents

Lamina de acero chapada.

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Publication number
MX2017013451A
MX2017013451A MX2017013451A MX2017013451A MX2017013451A MX 2017013451 A MX2017013451 A MX 2017013451A MX 2017013451 A MX2017013451 A MX 2017013451A MX 2017013451 A MX2017013451 A MX 2017013451A MX 2017013451 A MX2017013451 A MX 2017013451A
Authority
MX
Mexico
Prior art keywords
tempered martensite
ferrite
steel plate
decarburized
plated steel
Prior art date
Application number
MX2017013451A
Other languages
English (en)
Inventor
Hayashi Kunio
Sano Kohichi
Haga Jun
Kawata Hiroyuki
Hayashi Koutarou
Uenishi Akihiro
Kameda Masaharu
Original Assignee
Nippon Steel & Sumitomo Metal 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 Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of MX2017013451A publication Critical patent/MX2017013451A/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0257—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
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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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    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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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    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • 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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    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

Un material (13) base incluido en una placa (1) de acero chapada tiene, en la posición de espesor de 1/4, una estructura representada por, en porcentajes en volumen, al menos 3.0% de martensita revenida, al menos 4.0% de ferrita, y al menos 5.0% de austenita retenida. La dureza promedio de la martensita revenida en el material (13) base es de 5-10 GPa, y parte o todo de la martensita revenida y la austenita retenida en el material (13) base forma un constituyente de M-A. El porcentaje en volumen de ferrita en una capa (12) de ferrita descarburizada incluida en la placa (1) de acero chapada es al menos 120% del porcentaje en volumen de ferrita en el material (13) base en la posición de espesor de 1/4, el tamaño de grano promedio de la ferrita en la capa (12) de ferrita descarburizada es de 20 µm o menos, el espesor de la capa (12) de ferrita descarburizada es de 5-200 µm, el porcentaje en volumen de martensita revenida en la capa (12) de ferrita descarburizada es al menos 1.0% en volumen, la densidad numérica de la martensita revenida en la capa (12) de ferrita descarburizada es al menos 0.01 µm2, y la dureza promedio de la martensita revenida en la capa (12) de ferrita descarburizada es de 8 GPa o menos.
MX2017013451A 2015-04-22 2016-04-22 Lamina de acero chapada. MX2017013451A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015087714 2015-04-22
PCT/JP2016/062713 WO2016171237A1 (ja) 2015-04-22 2016-04-22 めっき鋼板

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MX2017013451A true MX2017013451A (es) 2018-02-19

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US (1) US10501832B2 (es)
EP (1) EP3287539B1 (es)
JP (1) JP6566026B2 (es)
KR (1) KR101962564B1 (es)
CN (1) CN107532266B (es)
BR (1) BR112017022444A2 (es)
ES (1) ES2769086T3 (es)
MX (1) MX2017013451A (es)
PL (1) PL3287539T3 (es)
TW (1) TWI606125B (es)
WO (1) WO2016171237A1 (es)

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JP2017075394A (ja) * 2015-10-16 2017-04-20 株式会社神戸製鋼所 高強度溶融亜鉛めっき鋼板及び高強度溶融亜鉛めっき鋼板の製造方法
KR101967959B1 (ko) 2016-12-19 2019-04-10 주식회사 포스코 굽힘 가공성이 우수한 초고강도 강판 및 이의 제조방법
US11208704B2 (en) 2017-01-06 2021-12-28 Jfe Steel Corporation High-strength cold-rolled steel sheet and method of producing the same
WO2018127984A1 (ja) * 2017-01-06 2018-07-12 Ｊｆｅスチール株式会社 高強度冷延鋼板およびその製造方法
HUE063186T2 (hu) * 2017-03-17 2023-12-28 Nippon Steel Corp Bevonatos acéllemez
US10329639B2 (en) * 2017-08-04 2019-06-25 Gm Global Technology Operations Llc. Multilayer steel and method of reducing liquid metal embrittlement
US11225701B2 (en) * 2018-03-30 2022-01-18 Nippon Steel Corporation Hot dip galvanized steel sheet and hot dip galvannealed steel sheet
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