KR101949036B1 - 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법 - Google Patents

저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법 Download PDF

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KR101949036B1
KR101949036B1 KR1020170131605A KR20170131605A KR101949036B1 KR 101949036 B1 KR101949036 B1 KR 101949036B1 KR 1020170131605 A KR1020170131605 A KR 1020170131605A KR 20170131605 A KR20170131605 A KR 20170131605A KR 101949036 B1 KR101949036 B1 KR 101949036B1
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South Korea
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less
ferrite
steel sheet
steel
recrystallization
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Korean (ko)
Inventor
김우겸
엄경근
방기현
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주식회사 포스코
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Priority to KR1020170131605A priority Critical patent/KR101949036B1/ko
Priority to PCT/KR2018/011722 priority patent/WO2019074236A1/ko
Priority to JP2020520658A priority patent/JP7022822B2/ja
Priority to EP18865647.4A priority patent/EP3696287B1/en
Priority to ES18865647T priority patent/ES2971876T3/es
Priority to CN201880066217.9A priority patent/CN111225987B/zh
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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
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • 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
    • C21D8/0221—Modifying the physical properties 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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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)
KR1020170131605A 2017-10-11 2017-10-11 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법 Active KR101949036B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020170131605A KR101949036B1 (ko) 2017-10-11 2017-10-11 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법
PCT/KR2018/011722 WO2019074236A1 (ko) 2017-10-11 2018-10-04 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법
JP2020520658A JP7022822B2 (ja) 2017-10-11 2018-10-04 低温変形時効衝撃特性に優れた厚鋼板及びその製造方法
EP18865647.4A EP3696287B1 (en) 2017-10-11 2018-10-04 Manufacturing method for a thick steel plate having excellent low-temperature strain aging impact properties
ES18865647T ES2971876T3 (es) 2017-10-11 2018-10-04 Procedimiento para fabricación de una placa de acero gruesa con excelentes propiedades de impacto de envejecimiento por deformación a baja temperatura
CN201880066217.9A CN111225987B (zh) 2017-10-11 2018-10-04 具有优异的低温应变时效冲击特性的厚钢板及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170131605A KR101949036B1 (ko) 2017-10-11 2017-10-11 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법

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KR101949036B1 true KR101949036B1 (ko) 2019-05-08

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Country Status (6)

Country Link
EP (1) EP3696287B1 (enExample)
JP (1) JP7022822B2 (enExample)
KR (1) KR101949036B1 (enExample)
CN (1) CN111225987B (enExample)
ES (1) ES2971876T3 (enExample)
WO (1) WO2019074236A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102255822B1 (ko) * 2019-12-06 2021-05-25 주식회사 포스코 저온충격인성이 우수한 노말라이징 열처리 강판 및 제조방법

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102218423B1 (ko) * 2019-08-23 2021-02-19 주식회사 포스코 저온인성 및 ctod 특성이 우수한 박물 강재 및 그 제조방법
CN113088834B (zh) * 2021-02-26 2022-12-09 舞阳钢铁有限责任公司 一种高品质海上石油建设用钢板及其生产方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070485A (ko) * 2007-12-27 2009-07-01 주식회사 포스코 모재 ｃｔｏｄ특성이 우수한 고강도 고인성 후강판 및 그제조방법
JP2012072421A (ja) * 2010-09-28 2012-04-12 Sumitomo Metal Ind Ltd 氷海構造物用鋼板
JP2013209723A (ja) * 2012-03-30 2013-10-10 Nippon Steel & Sumitomo Metal Corp 成形性及び低温靭性に優れた高強度熱延鋼板及びその製造方法
KR20140043868A (ko) * 2012-10-03 2014-04-11 가부시키가이샤 고베 세이코쇼 변형 시효 전후의 인성 변화가 적은 후강판

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59200723A (ja) * 1983-04-26 1984-11-14 Nippon Steel Corp 靭性のすぐれた高張力鋼板の製造方法
JP2662485B2 (ja) * 1991-11-26 1997-10-15 新日本製鐵株式会社 低温靭性の良い鋼板およびその製造方法
JP3314295B2 (ja) * 1995-04-26 2002-08-12 新日本製鐵株式会社 低温靱性に優れた厚鋼板の製造方法
KR20030021965A (ko) * 2001-09-10 2003-03-15 주식회사 포스코 극저온 충격인성이 우수한 라인파이프용 열연강판 및 그제조방법
KR100544638B1 (ko) * 2001-12-24 2006-01-24 주식회사 포스코 항복강도 및 저온 파괴정지 특성이 우수한 후판강관구조용 강재의 제조방법
JP4788146B2 (ja) 2004-03-09 2011-10-05 Ｊｆｅスチール株式会社 耐時効性に優れた低ｙｒ型電縫溶接鋼管用熱延鋼板とその製造方法
KR100851189B1 (ko) * 2006-11-02 2008-08-08 주식회사 포스코 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
CN1995430A (zh) * 2006-12-25 2007-07-11 广东韶钢松山股份有限公司 一种改善钢板的低温韧性和应变时效低温韧性的方法
ES2402548T3 (es) * 2007-12-04 2013-05-06 Posco Lámina de acero con alta resistencia y excelente dureza a baja temperatura y método de fabricación de la misma
KR20100040233A (ko) * 2008-10-09 2010-04-19 삼성전자주식회사 피어-투-피어 네트워크를 통한 방송 데이터 송수신 방법 및장치
JP5234951B2 (ja) * 2008-11-21 2013-07-10 株式会社神戸製鋼所 溶接熱影響部の靭性および母材低温靭性に優れた鋼材、並びにその製造方法
JP5272759B2 (ja) 2009-02-02 2013-08-28 新日鐵住金株式会社 厚鋼板の製造方法
CA2775043C (en) * 2009-09-30 2015-03-24 Jfe Steel Corporation Low yield ratio, high strength and high toughness steel plate and method for manufacturing the same
JP4772932B2 (ja) 2009-11-20 2011-09-14 新日本製鐵株式会社 船体用厚鋼板及びその製造方法
KR20110130974A (ko) * 2010-05-28 2011-12-06 현대제철 주식회사 변형시효 충격 특성이 우수한 인장강도 400㎫급 후판 제조방법
JP5612532B2 (ja) 2011-04-26 2014-10-22 株式会社神戸製鋼所 低温靭性および溶接継手破壊靭性に優れた鋼板およびその製造方法
JP5739225B2 (ja) 2011-05-17 2015-06-24 大阪瓦斯株式会社 エンジン発電装置とその運転方法
JP5782827B2 (ja) * 2011-05-24 2015-09-24 Ｊｆｅスチール株式会社 高圧縮強度耐サワーラインパイプ用鋼管及びその製造方法
CN102304670A (zh) * 2011-09-22 2012-01-04 首钢总公司 一种具有-40℃应变时效高韧性钢板及其生产方法
CN102400043B (zh) * 2011-11-10 2013-09-25 舞阳钢铁有限责任公司 一种大厚度海洋工程用钢板
KR101482359B1 (ko) * 2012-12-27 2015-01-13 주식회사 포스코 극저온 인성이 우수하고 저항복비 특성을 갖는 고강도 강판 및 그의 제조방법
CN106133175B (zh) 2014-03-31 2018-09-07 杰富意钢铁株式会社 耐应变时效特性和耐hic特性优良的高变形能力管线管用钢材及其制造方法以及焊接钢管
CN104789892B (zh) * 2015-03-20 2017-03-08 宝山钢铁股份有限公司 具有优异低温冲击韧性的低屈强比高强韧厚钢板及其制造方法
JP2017082267A (ja) 2015-10-26 2017-05-18 株式会社神戸製鋼所 厚鋼板
KR101758484B1 (ko) * 2015-12-15 2017-07-17 주식회사 포스코 저온 변형시효 충격특성 및 용접 열영향부 충격특성이 우수한 고강도 강재 및 이의 제조방법
KR101758520B1 (ko) * 2015-12-23 2017-07-17 주식회사 포스코 열간 저항성이 우수한 고강도 구조용 강판 및 그 제조방법
JP6601286B2 (ja) 2016-03-15 2019-11-06 日本製鉄株式会社 熱延鋼板およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070485A (ko) * 2007-12-27 2009-07-01 주식회사 포스코 모재 ｃｔｏｄ특성이 우수한 고강도 고인성 후강판 및 그제조방법
JP2012072421A (ja) * 2010-09-28 2012-04-12 Sumitomo Metal Ind Ltd 氷海構造物用鋼板
JP2013209723A (ja) * 2012-03-30 2013-10-10 Nippon Steel & Sumitomo Metal Corp 成形性及び低温靭性に優れた高強度熱延鋼板及びその製造方法
KR20140043868A (ko) * 2012-10-03 2014-04-11 가부시키가이샤 고베 세이코쇼 변형 시효 전후의 인성 변화가 적은 후강판

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
The effect of processing variables on the mechanical properties and strain ageing of high-strength low-alloy V and V-N steels (V. K. Heikkinen and J. D. Boyd, CANADIAN METALLURGICAL QUARTERLY Volume 15 Number 3 (1976), P. 219~)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102255822B1 (ko) * 2019-12-06 2021-05-25 주식회사 포스코 저온충격인성이 우수한 노말라이징 열처리 강판 및 제조방법
WO2021112503A1 (ko) * 2019-12-06 2021-06-10 주식회사 포스코 저온충격인성이 우수한 노말라이징 열처리 강판 및 제조방법

Also Published As

Publication number Publication date
EP3696287A1 (en) 2020-08-19
CN111225987A (zh) 2020-06-02
WO2019074236A1 (ko) 2019-04-18
CN111225987B (zh) 2022-06-10
JP7022822B2 (ja) 2022-02-18
ES2971876T3 (es) 2024-06-10
EP3696287C0 (en) 2023-12-06
EP3696287A4 (en) 2020-08-19
JP2020537047A (ja) 2020-12-17
EP3696287B1 (en) 2023-12-06

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