WO2016093598A8 - 표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법 - Google Patents

표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법 Download PDF

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WO2016093598A8
WO2016093598A8 PCT/KR2015/013399 KR2015013399W WO2016093598A8 WO 2016093598 A8 WO2016093598 A8 WO 2016093598A8 KR 2015013399 W KR2015013399 W KR 2015013399W WO 2016093598 A8 WO2016093598 A8 WO 2016093598A8
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Prior art keywords
weight
ultra
steel sheet
high strength
galvanized steel
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PCT/KR2015/013399
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English (en)
French (fr)
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WO2016093598A1 (ko
Inventor
김명수
강기철
Original Assignee
주식회사 포스코
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Priority to CN201580067007.8A priority Critical patent/CN107002207B/zh
Priority to US15/534,295 priority patent/US10344361B2/en
Priority to EP15867752.6A priority patent/EP3231887B1/en
Priority to JP2017530129A priority patent/JP6546280B2/ja
Publication of WO2016093598A1 publication Critical patent/WO2016093598A1/ko
Publication of WO2016093598A8 publication Critical patent/WO2016093598A8/ko

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    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • B32B15/012—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 aluminium or an aluminium alloy
    • 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
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    • 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
    • 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
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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    • C21D6/005—Heat treatment of ferrous alloys containing Mn
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    • C21D6/008—Heat treatment of ferrous alloys containing Si
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    • C21D8/0226—Hot rolling
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    • 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
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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
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    • C21D8/04—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
    • C21D8/0421—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 working steps
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    • 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
    • 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
    • C21D8/0468—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 between cold rolling steps
    • 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
    • C21D8/04—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
    • 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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    • 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
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    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
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Abstract

본 발명은 중량%로, 탄소(C):0.1~0.3%, 실리콘(Si):0.1~2.0%, 알루미늄(Al): 0.005~1.5%, 망간(Mn): 1.5~3.5%, 인(P): 0.04% 이하(0%는 제외), 황(S): 0.015% 이하(0%는 제외), 질소(N): 0.02% 이하(0는 제외), 잔부 Fe 및 기타 불가피한 불순물을 포함하고, 비스무트(Bi), 주석(Sn) 및 안티몬(Sb)로 이루어진 그룹으로부터 선택된 1종 이상을 0.01 중량% 내지 0.07 중량% 포함하는 표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 이의 제조방법에 관한 것이다.
PCT/KR2015/013399 2014-12-08 2015-12-08 표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법 WO2016093598A1 (ko)

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CN201580067007.8A CN107002207B (zh) 2014-12-08 2015-12-08 表面质量和镀覆粘附性优异的超高强度热浸镀锌钢板及其制造方法
US15/534,295 US10344361B2 (en) 2014-12-08 2015-12-08 Ultra-high strength, hot-dip galvanized steel sheet having excellent surface quality and coating adhesion
EP15867752.6A EP3231887B1 (en) 2014-12-08 2015-12-08 Ultra-high strength hot-dip galvanized steel sheet having excellent surface quality and coating adhesion, and method for manufacturing thereof
JP2017530129A JP6546280B2 (ja) 2014-12-08 2015-12-08 表面品質及びめっき密着性に優れた超高強度溶融亜鉛めっき鋼板及びその製造方法

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KR10-2014-0174868 2014-12-08
KR1020140174868A KR101630976B1 (ko) 2014-12-08 2014-12-08 표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법

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KR101830527B1 (ko) 2016-09-26 2018-02-21 주식회사 포스코 내식성 및 점용접성이 우수한 열간성형용 냉연강판, 열간성형부재 및 그들의 제조방법
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KR102276740B1 (ko) * 2018-12-18 2021-07-13 주식회사 포스코 연성 및 가공성이 우수한 고강도 강판 및 그 제조방법
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