KR20240069745A - 강판 및 부재, 그리고, 그들의 제조 방법 - Google Patents

강판 및 부재, 그리고, 그들의 제조 방법 Download PDF

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Publication number
KR20240069745A
KR20240069745A KR1020247011890A KR20247011890A KR20240069745A KR 20240069745 A KR20240069745 A KR 20240069745A KR 1020247011890 A KR1020247011890 A KR 1020247011890A KR 20247011890 A KR20247011890 A KR 20247011890A KR 20240069745 A KR20240069745 A KR 20240069745A
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South Korea
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steel sheet
temperature
area ratio
annealing
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Korean (ko)
Inventor
가츠야 하타
쇼타로 데라시마
다츠야 나카가이토
세이스케 츠다
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제이에프이 스틸 가부시키가이샤
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Publication of KR20240069745A publication Critical patent/KR20240069745A/ko
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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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    • C21D2211/005—Ferrite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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JP2009249733A (ja) 2008-04-10 2009-10-29 Nippon Steel Corp 時効性劣化が極めて少なく優れた焼付け硬化性を有する高強度鋼板とその製造方法
JP2011168816A (ja) 2010-02-16 2011-09-01 Nippon Steel Corp 延性及び耐食性に優れた合金化溶融亜鉛めっき鋼板及びその製造方法

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JP6306481B2 (ja) * 2014-03-17 2018-04-04 株式会社神戸製鋼所 延性及び曲げ性に優れた高強度冷延鋼板および高強度溶融亜鉛めっき鋼板、並びにそれらの製造方法
JP6473022B2 (ja) * 2015-03-23 2019-02-20 株式会社神戸製鋼所 成形性に優れた高強度鋼板
JP6536294B2 (ja) * 2015-08-31 2019-07-03 日本製鉄株式会社 溶融亜鉛めっき鋼板、合金化溶融亜鉛めっき鋼板、およびそれらの製造方法
JP6749818B2 (ja) 2016-02-29 2020-09-02 株式会社神戸製鋼所 高強度鋼板およびその製造方法
BR112019004943A2 (pt) * 2016-10-19 2019-06-25 Nippon Steel & Sumitomo Metal Corp chapa de aço revestida, método para fabricação de chapa de aço galvanizada por imersão a quente e método para fabricação de chapa de aço galvanizada por imersão a quente com liga
JP6614397B1 (ja) 2018-02-19 2019-12-04 Ｊｆｅスチール株式会社 高強度鋼板およびその製造方法
WO2019188643A1 (ja) * 2018-03-30 2019-10-03 Ｊｆｅスチール株式会社 高強度鋼板およびその製造方法
JP6988868B2 (ja) * 2018-12-21 2022-01-05 Ｊｆｅスチール株式会社 薄鋼板およびその製造方法
KR102566083B1 (ko) 2019-03-11 2023-08-10 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법

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JP2009249733A (ja) 2008-04-10 2009-10-29 Nippon Steel Corp 時効性劣化が極めて少なく優れた焼付け硬化性を有する高強度鋼板とその製造方法
JP2011168816A (ja) 2010-02-16 2011-09-01 Nippon Steel Corp 延性及び耐食性に優れた合金化溶融亜鉛めっき鋼板及びその製造方法

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