KR101024709B1 - 두꺼운 고강도 강판 및 그 제조 방법 - Google Patents

두꺼운 고강도 강판 및 그 제조 방법 Download PDF

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KR101024709B1
KR101024709B1 KR1020097019101A KR20097019101A KR101024709B1 KR 101024709 B1 KR101024709 B1 KR 101024709B1 KR 1020097019101 A KR1020097019101 A KR 1020097019101A KR 20097019101 A KR20097019101 A KR 20097019101A KR 101024709 B1 KR101024709 B1 KR 101024709B1
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thickness
temperature
isotropic
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KR20090110384A (ko
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히로유끼 시라하따
마사아끼 후지오까
아끼히꼬 고지마
요오이찌 다나까
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신닛뽄세이테쯔 카부시키카이샤
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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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—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
    • C21D8/0221—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 working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/005—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
    • C21D2211/009—Pearlite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020097019101A 2007-03-05 2008-03-03 두꺼운 고강도 강판 및 그 제조 방법 Expired - Fee Related KR101024709B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2007-054279 2007-03-05
JP2007054279 2007-03-05
PCT/JP2008/053766 WO2008108333A1 (ja) 2007-03-05 2008-03-03 厚手高強度鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
KR20090110384A KR20090110384A (ko) 2009-10-21
KR101024709B1 true KR101024709B1 (ko) 2011-03-24

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KR1020097019101A Expired - Fee Related KR101024709B1 (ko) 2007-03-05 2008-03-03 두꺼운 고강도 강판 및 그 제조 방법

Country Status (7)

Country Link
EP (1) EP2119803A4 (enExample)
JP (1) JP4309946B2 (enExample)
KR (1) KR101024709B1 (enExample)
CN (1) CN101622370B (enExample)
BR (1) BRPI0808347B1 (enExample)
TW (1) TWI335355B (enExample)
WO (1) WO2008108333A1 (enExample)

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TWI498174B (zh) * 2013-05-01 2015-09-01 China Steel Corp Method for Reducing Surface Defects of High Hardness Steel

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DK2390047T3 (da) * 2009-01-14 2014-01-13 Nippon Steel & Sumitomo Metal Corp Svejsekonstruktion med skørhedsbrudhæmmende egenskaber
KR101163348B1 (ko) * 2009-01-14 2012-07-05 신닛뽄세이테쯔 카부시키카이샤 내취성 균열 전파성이 우수한 용접 구조체
JP5470904B2 (ja) * 2009-02-25 2014-04-16 Ｊｆｅスチール株式会社 ＴＳが５７０ＭＰａ以上、全伸びが２５％以上、ΔＫ＝１５ＭＰａ√ｍでの疲労き裂伝播速度８．７５ｘ１０−９ｍ／ｃｙｃｌｅ以下の、全伸びと疲労き裂伝播抵抗性に優れた板厚２０ｍｍ以下の厚鋼板の製造方法
CN102459656B (zh) * 2009-06-11 2013-08-14 新日本制铁株式会社 大线能量焊接热影响区韧性优异的厚壁高强度钢板的制造方法
BR112012007753B1 (pt) * 2009-10-08 2021-11-16 Nippon Steel Corporation Tubo de aço de alta resistência. chapa de aço para tubo de aço de alta resistência, e processos para produção dos mesmos
JP5423309B2 (ja) * 2009-10-21 2014-02-19 新日鐵住金株式会社 海洋構造物用厚鋼板およびその製造方法
CN101701326B (zh) * 2009-10-28 2011-07-20 南京钢铁股份有限公司 一种厚规格高强高韧船板钢及其生产方法
JP4818466B1 (ja) * 2010-07-14 2011-11-16 新日本製鐵株式会社 耐脆性き裂伝播性を有する溶接構造体
JP5029749B2 (ja) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 曲げ加工性に優れた高強度熱延鋼板およびその製造方法
JP2012188747A (ja) 2011-02-24 2012-10-04 Kobe Steel Ltd 原子力発電機器用鍛鋼材および原子力発電機器用溶接構造物
CN102691006B (zh) * 2011-03-23 2013-12-25 宝山钢铁股份有限公司 抗高回火参数sr脆化的低温镍钢及其制造方法
EP2698440B1 (en) * 2011-04-13 2018-05-30 Nippon Steel & Sumitomo Metal Corporation High-strength hot-rolled steel sheet with excellent local deformability, and manufacturing method therefor
KR101278004B1 (ko) * 2011-06-28 2013-06-27 현대제철 주식회사 고강도 강판 및 그 제조방법
KR101273936B1 (ko) * 2011-08-12 2013-06-11 한국과학기술연구원 내산화성 페라이트계 스테인리스강, 그 제조 방법 및 이를 사용한 연료 전지 접속자
CN102560250A (zh) * 2011-11-25 2012-07-11 宝山钢铁股份有限公司 一种超低碳贝氏体钢板及其制造方法
JP5838801B2 (ja) * 2011-12-27 2016-01-06 Ｊｆｅスチール株式会社 厚鋼板及び厚鋼板の製造方法
KR101357543B1 (ko) * 2012-01-31 2014-02-05 현대제철 주식회사 고성형 열연강판의 제조 방법
US9719151B2 (en) 2012-02-17 2017-08-01 Nippon Steel & Sumitomo Metal Corporation Steel sheet, plated steel sheet, and method for producing the same
KR101728362B1 (ko) * 2012-08-06 2017-04-19 제이에프이 스틸 가부시키가이샤 장대 취성 균열 전파 정지 성능이 우수한 후강판의 제조 방법 및 후강판
KR101732997B1 (ko) * 2013-03-26 2017-05-08 제이에프이 스틸 가부시키가이샤 취성 균열 전파 정지 특성이 우수한 대입열 용접용 고강도 후강판 및 그의 제조 방법
KR101320222B1 (ko) * 2013-04-30 2013-10-21 현대제철 주식회사 고강도 강판 및 그 제조방법
JP5510620B1 (ja) * 2013-08-13 2014-06-04 新日鐵住金株式会社 鋼板
CN107109597B (zh) * 2014-12-24 2020-01-31 Posco公司 耐脆性裂纹扩展性优异的高强度钢材及其制造方法
WO2016105059A1 (ko) * 2014-12-24 2016-06-30 주식회사 포스코 취성균열전파 저항성이 우수한 고강도 강재 및 그 제조방법
KR101657827B1 (ko) * 2014-12-24 2016-09-20 주식회사 포스코 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법
JP6475837B2 (ja) * 2014-12-24 2019-02-27 ポスコＰｏｓｃｏ 脆性亀裂伝播抵抗性に優れた高強度鋼材及びその製造方法
KR102051198B1 (ko) * 2015-03-31 2019-12-02 제이에프이 스틸 가부시키가이샤 고강도·고인성 강판 및 그 제조 방법
JP6123973B2 (ja) 2015-03-31 2017-05-10 Ｊｆｅスチール株式会社 高強度・高靭性鋼板およびその製造方法
JP6766642B2 (ja) * 2016-02-25 2020-10-14 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6682967B2 (ja) * 2016-04-06 2020-04-15 日本製鉄株式会社 厚鋼板およびその製造方法
JP6911575B2 (ja) * 2016-06-30 2021-07-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6776826B2 (ja) * 2016-11-11 2020-10-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6988836B2 (ja) * 2019-01-28 2022-01-05 Ｊｆｅスチール株式会社 超低降伏比高張力厚鋼板およびその製造方法
JP7330862B2 (ja) * 2019-11-01 2023-08-22 株式会社神戸製鋼所 母材と継手の低温靭性に優れた高張力鋼板およびその製造方法
CN116288004B (zh) * 2023-03-21 2025-03-25 山东钢铁集团日照有限公司 一种高疲劳极限强度钢及其均质化制造方法
CN116732451A (zh) * 2023-05-30 2023-09-12 鞍钢股份有限公司 一种各向同性的低屈强比高韧性桥梁钢及其制造方法

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JP2005097694A (ja) 2003-09-26 2005-04-14 Jfe Steel Kk 脆性亀裂伝播停止性能に優れた非調質高強度厚鋼板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI498174B (zh) * 2013-05-01 2015-09-01 China Steel Corp Method for Reducing Surface Defects of High Hardness Steel

Also Published As

Publication number Publication date
TWI335355B (en) 2011-01-01
BRPI0808347A2 (pt) 2014-07-29
TW200844240A (en) 2008-11-16
KR20090110384A (ko) 2009-10-21
EP2119803A4 (en) 2016-07-20
EP2119803A1 (en) 2009-11-18
WO2008108333A1 (ja) 2008-09-12
CN101622370A (zh) 2010-01-06
CN101622370B (zh) 2011-07-13
JP2008248382A (ja) 2008-10-16
JP4309946B2 (ja) 2009-08-05
BRPI0808347B1 (pt) 2017-07-04

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