MX2017015286A - Lamina de acero galvanizada y recocida y metodo para producirla. - Google Patents

Lamina de acero galvanizada y recocida y metodo para producirla.

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Publication number
MX2017015286A
MX2017015286A MX2017015286A MX2017015286A MX2017015286A MX 2017015286 A MX2017015286 A MX 2017015286A MX 2017015286 A MX2017015286 A MX 2017015286A MX 2017015286 A MX2017015286 A MX 2017015286A MX 2017015286 A MX2017015286 A MX 2017015286A
Authority
MX
Mexico
Prior art keywords
steel sheet
mpa
tensile strength
galvannealed steel
tempered martensite
Prior art date
Application number
MX2017015286A
Other languages
English (en)
Inventor
Okamoto Riki
Sano Kohichi
Haga Jun
Kawata Hiroyuki
Hayashi Koutarou
Uenishi Akihiro
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 MX2017015286A publication Critical patent/MX2017015286A/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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    • 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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  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
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Abstract

Esta invención proporciona una lámina de acero galvanizada y recocida que incluye una capa galvanizada por inmersión en caliente aleada sobre una superficie de una lámina de acero. La composición química de la lámina de acero contiene, en % en masa, C: 0.25 a 0.70%, Si: 0.25 a 2.50%, Mn: 1.00 a 5.00%, Al: 0.005 a 3.50%, P: 0.15% o menos, S: 0.03% o menos, N = 0.02%, O = 0.01%, y como sea necesario contiene uno o más elementos seleccionados de Ti, Nb, y, Cr, Mo, Cu, Ni, B, Ca, REM, Mg, W, Zr, Sb, Sn, As, Te, Y, Hf y Co, con un balance que es de Fe e impurezas. La microestructura del acero de la lámina de acero galvanizada y recocida consiste en, en % en volumen, ? retenida: 10.0 a 60.0%, martensita revenida a alta temperatura = 5.0%, martensita revenida a baja temperatura = 5.0%, martensita fresca = 10.0%, a: 0 a 15.0%, P: 0 a 10.0%, con un balance que es de bainita. La relación de volumen total de la martensita revenida y la bainita es de 30.0% o más, la resistencia a la tensión es de 1470 MPa o más, el producto de la resistencia a la tensión y la elongación uniforme es de 13000% en MPa o más, y el producto de la resistencia a la tensión y la elongación locales de 5000% en MPa o más.
MX2017015286A 2015-06-11 2016-06-10 Lamina de acero galvanizada y recocida y metodo para producirla. MX2017015286A (es)

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JP2015118648 2015-06-11
JP2015137052 2015-07-08
JP2015137192 2015-07-08
PCT/JP2016/067448 WO2016199922A1 (ja) 2015-06-11 2016-06-10 合金化溶融亜鉛めっき鋼板およびその製造方法

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EP (1) EP3309273B1 (es)
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KR (1) KR102081361B1 (es)
CN (2) CN114990431A (es)
BR (1) BR112017025389A2 (es)
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JP6620474B2 (ja) * 2015-09-09 2019-12-18 日本製鉄株式会社 溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板、並びにそれらの製造方法
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