KR101889173B1 - 고강도 저항복비형 미세 구상화 강판 및 그 제조방법 - Google Patents

고강도 저항복비형 미세 구상화 강판 및 그 제조방법 Download PDF

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Publication number
KR101889173B1
KR101889173B1 KR1020160169306A KR20160169306A KR101889173B1 KR 101889173 B1 KR101889173 B1 KR 101889173B1 KR 1020160169306 A KR1020160169306 A KR 1020160169306A KR 20160169306 A KR20160169306 A KR 20160169306A KR 101889173 B1 KR101889173 B1 KR 101889173B1
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KR
South Korea
Prior art keywords
steel sheet
hot
present
comparative example
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KR1020160169306A
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English (en)
Korean (ko)
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KR20180067892A (ko
Inventor
장제욱
김용우
Original Assignee
주식회사 포스코
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Priority to KR1020160169306A priority Critical patent/KR101889173B1/ko
Priority to CN201711321856.9A priority patent/CN108220547B/zh
Publication of KR20180067892A publication Critical patent/KR20180067892A/ko
Application granted granted Critical
Publication of KR101889173B1 publication Critical patent/KR101889173B1/ko

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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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C21D2211/005—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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020160169306A 2016-12-13 2016-12-13 고강도 저항복비형 미세 구상화 강판 및 그 제조방법 KR101889173B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160169306A KR101889173B1 (ko) 2016-12-13 2016-12-13 고강도 저항복비형 미세 구상화 강판 및 그 제조방법
CN201711321856.9A CN108220547B (zh) 2016-12-13 2017-12-12 高强度低屈服比型微细球化钢板及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160169306A KR101889173B1 (ko) 2016-12-13 2016-12-13 고강도 저항복비형 미세 구상화 강판 및 그 제조방법

Publications (2)

Publication Number Publication Date
KR20180067892A KR20180067892A (ko) 2018-06-21
KR101889173B1 true KR101889173B1 (ko) 2018-08-16

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KR1020160169306A KR101889173B1 (ko) 2016-12-13 2016-12-13 고강도 저항복비형 미세 구상화 강판 및 그 제조방법

Country Status (2)

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KR (1) KR101889173B1 (zh)
CN (1) CN108220547B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210080042A (ko) 2019-12-20 2021-06-30 주식회사 포스코 오스템퍼링 열처리 특성이 우수한 열연강판, 열연소둔강판, 부재 및 이들의 제조방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102209555B1 (ko) 2018-12-19 2021-01-29 주식회사 포스코 강도 편차가 적은 열연 소둔 강판, 부재 및 이들의 제조방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003013145A (ja) 2001-06-28 2003-01-15 Nkk Corp 伸びフランジ性に優れた高炭素熱延鋼板の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10298641A (ja) * 1997-04-24 1998-11-10 Kawasaki Steel Corp 球状化焼きなまし処理性に優れた鋼材の製造方法
KR20080012942A (ko) * 2005-06-29 2008-02-12 제이에프이 스틸 가부시키가이샤 고탄소열간압연강판 및 그 제조방법
JP5292698B2 (ja) * 2006-03-28 2013-09-18 Ｊｆｅスチール株式会社 極軟質高炭素熱延鋼板およびその製造方法
JP5262012B2 (ja) * 2006-08-16 2013-08-14 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法
JP4952236B2 (ja) * 2006-12-25 2012-06-13 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法
KR101316325B1 (ko) 2012-03-16 2013-10-08 주식회사 포스코 고강도 저항복비 유정관용 열연강판과 이의 제조방법 및 이에 의해 제조된 유정관용 강관과 이의 제조방법
WO2013179497A1 (ja) 2012-06-01 2013-12-05 Ｊｆｅスチール株式会社 伸びと伸びフランジ性に優れた低降伏比高強度冷延鋼板およびその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003013145A (ja) 2001-06-28 2003-01-15 Nkk Corp 伸びフランジ性に優れた高炭素熱延鋼板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210080042A (ko) 2019-12-20 2021-06-30 주식회사 포스코 오스템퍼링 열처리 특성이 우수한 열연강판, 열연소둔강판, 부재 및 이들의 제조방법

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CN108220547A (zh) 2018-06-29
CN108220547B (zh) 2022-02-11
KR20180067892A (ko) 2018-06-21

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