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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KR1020097019101A
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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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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/001Heat treatment of ferrous alloys containing Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2201/00Treatment for obtaining particular effects
    • C21D2201/05Grain orientation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/009Pearlite

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

Country Status (7)

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

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

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TW201036747A (en) * 2009-01-14 2010-10-16 Nippon Steel Corp Welding structure with excellent resistance to brittle crack propagation
KR101163350B1 (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
JP4681690B2 (ja) * 2009-06-11 2011-05-11 新日本製鐵株式会社 大入熱溶接熱影響部靭性に優れた厚手高強度鋼板の製造方法、及び、大入熱溶接熱影響部靭性に優れた厚手高強度鋼板
CN102549186B (zh) * 2009-10-08 2014-08-27 新日铁住金株式会社 高强度钢管、高强度钢管用钢板及它们的制造方法
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
JP5408386B2 (ja) * 2011-04-13 2014-02-05 新日鐵住金株式会社 局部変形能に優れた高強度冷延鋼板とその製造方法
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
WO2013121963A1 (ja) 2012-02-17 2013-08-22 新日鐵住金株式会社 鋼板、めっき鋼板、及びそれらの製造方法
CN104272084A (zh) * 2012-08-06 2015-01-07 杰富意钢铁株式会社 厚钢板的长大脆性裂纹传播停止性能的评价方法、用于该评价方法的试验装置以及厚钢板的制造方法
CN105102650B (zh) * 2013-03-26 2017-10-24 杰富意钢铁株式会社 脆性裂纹传播停止特性优良的大线能量焊接用高强度厚钢板及其制造方法
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
WO2016105062A1 (ko) * 2014-12-24 2016-06-30 주식회사 포스코 취성균열전파 저항성이 우수한 고강도 강재 및 그 제조방법
CN107109592A (zh) 2014-12-24 2017-08-29 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
WO2016157862A1 (ja) * 2015-03-31 2016-10-06 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
WO2016157863A1 (ja) * 2015-03-31 2016-10-06 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

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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

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JP2002241891A (ja) 2000-12-15 2002-08-28 Kawasaki Steel Corp 塑性変形後の脆性き裂伝播停止特性ならびに疲労き裂伝播特性に優れた構造用鋼材およびその製造方法
KR20030081050A (ko) * 2002-04-09 2003-10-17 신닛뽄세이테쯔 카부시키카이샤 변형 성능이 우수한 고강도 강판, 고강도 강관 및 제조 방법
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
CN101622370B (zh) 2011-07-13
EP2119803A1 (de) 2009-11-18
TWI335355B (en) 2011-01-01
JP4309946B2 (ja) 2009-08-05
JP2008248382A (ja) 2008-10-16
BRPI0808347A2 (pt) 2014-07-29
EP2119803A4 (de) 2016-07-20
TW200844240A (en) 2008-11-16
BRPI0808347B1 (pt) 2017-07-04
WO2008108333A1 (ja) 2008-09-12
KR20090110384A (ko) 2009-10-21
CN101622370A (zh) 2010-01-06

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