KR101903174B1 - 강도 및 연성이 우수한 저합금 강판 - Google Patents

강도 및 연성이 우수한 저합금 강판 Download PDF

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Publication number
KR101903174B1
KR101903174B1 KR1020160169693A KR20160169693A KR101903174B1 KR 101903174 B1 KR101903174 B1 KR 101903174B1 KR 1020160169693 A KR1020160169693 A KR 1020160169693A KR 20160169693 A KR20160169693 A KR 20160169693A KR 101903174 B1 KR101903174 B1 KR 101903174B1
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KR
South Korea
Prior art keywords
steel
phase
less
steel sheet
present
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KR1020160169693A
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English (en)
Korean (ko)
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KR20180068088A (ko
Inventor
최점용
박미남
이민형
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주식회사 포스코
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Priority to KR1020160169693A priority Critical patent/KR101903174B1/ko
Priority to US16/468,875 priority patent/US20200080178A1/en
Priority to CN201780076526.XA priority patent/CN110062814A/zh
Priority to PCT/KR2017/005381 priority patent/WO2018110779A1/fr
Priority to JP2019531716A priority patent/JP2020509175A/ja
Priority to EP17881659.1A priority patent/EP3556892A4/fr
Publication of KR20180068088A publication Critical patent/KR20180068088A/ko
Application granted granted Critical
Publication of KR101903174B1 publication Critical patent/KR101903174B1/ko

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    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/001—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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • 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
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/008—Martensite
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
KR1020160169693A 2016-12-13 2016-12-13 강도 및 연성이 우수한 저합금 강판 KR101903174B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020160169693A KR101903174B1 (ko) 2016-12-13 2016-12-13 강도 및 연성이 우수한 저합금 강판
US16/468,875 US20200080178A1 (en) 2016-12-13 2017-05-24 Low alloy steel sheet with excellent strength and ductility
CN201780076526.XA CN110062814A (zh) 2016-12-13 2017-05-24 具有优异的强度和延展性的低合金钢板
PCT/KR2017/005381 WO2018110779A1 (fr) 2016-12-13 2017-05-24 Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes
JP2019531716A JP2020509175A (ja) 2016-12-13 2017-05-24 強度及び軟性に優れた低合金鋼板
EP17881659.1A EP3556892A4 (fr) 2016-12-13 2017-05-24 Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160169693A KR101903174B1 (ko) 2016-12-13 2016-12-13 강도 및 연성이 우수한 저합금 강판

Publications (2)

Publication Number Publication Date
KR20180068088A KR20180068088A (ko) 2018-06-21
KR101903174B1 true KR101903174B1 (ko) 2018-10-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160169693A KR101903174B1 (ko) 2016-12-13 2016-12-13 강도 및 연성이 우수한 저합금 강판

Country Status (6)

Country Link
US (1) US20200080178A1 (fr)
EP (1) EP3556892A4 (fr)
JP (1) JP2020509175A (fr)
KR (1) KR101903174B1 (fr)
CN (1) CN110062814A (fr)
WO (1) WO2018110779A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101952818B1 (ko) * 2017-09-25 2019-02-28 주식회사포스코 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110396691B (zh) * 2019-08-27 2021-08-24 贵州大学 一种6061铝合金表面处理方法
KR102326684B1 (ko) * 2019-09-17 2021-11-17 주식회사 포스코 크리프 강도와 고온 연성이 우수한 크롬강판 및 그 제조방법
KR102272785B1 (ko) * 2019-10-29 2021-07-05 주식회사 포스코 항복비가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법
KR102385472B1 (ko) * 2020-04-22 2022-04-13 주식회사 포스코 고강도, 고성형의 저원가 오스테나이트계 스테인리스강 및 그 제조방법

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WO2007000156A1 (fr) 2005-06-28 2007-01-04 Scheller Pjotr R Acier austenitique-martensitique a resistance elevee pour construction legere et son utilisation

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FR2766843B1 (fr) * 1997-07-29 1999-09-03 Usinor Acier inoxydable austenitique comportant une tres faible teneur en nickel
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WO2006125412A1 (fr) 2005-05-23 2006-11-30 Scheller Piotr R Acier austenitique pour construction legere et son utilisation
WO2007000156A1 (fr) 2005-06-28 2007-01-04 Scheller Pjotr R Acier austenitique-martensitique a resistance elevee pour construction legere et son utilisation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101952818B1 (ko) * 2017-09-25 2019-02-28 주식회사포스코 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법

Also Published As

Publication number Publication date
KR20180068088A (ko) 2018-06-21
WO2018110779A1 (fr) 2018-06-21
EP3556892A1 (fr) 2019-10-23
JP2020509175A (ja) 2020-03-26
US20200080178A1 (en) 2020-03-12
CN110062814A (zh) 2019-07-26
EP3556892A4 (fr) 2019-10-23

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