KR20190022127A - 저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법 - Google Patents

저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법 Download PDF

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Publication number
KR20190022127A
KR20190022127A KR1020170108016A KR20170108016A KR20190022127A KR 20190022127 A KR20190022127 A KR 20190022127A KR 1020170108016 A KR1020170108016 A KR 1020170108016A KR 20170108016 A KR20170108016 A KR 20170108016A KR 20190022127 A KR20190022127 A KR 20190022127A
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KR
South Korea
Prior art keywords
ferritic stainless
stainless steel
rolling
less
cold
Prior art date
Application number
KR1020170108016A
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English (en)
Korean (ko)
Inventor
공정현
이문수
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020170108016A priority Critical patent/KR20190022127A/ko
Priority to PCT/KR2018/008969 priority patent/WO2019039774A1/fr
Publication of KR20190022127A publication Critical patent/KR20190022127A/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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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

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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)
  • Heat Treatment Of Sheet Steel (AREA)
KR1020170108016A 2017-08-25 2017-08-25 저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법 KR20190022127A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020170108016A KR20190022127A (ko) 2017-08-25 2017-08-25 저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법
PCT/KR2018/008969 WO2019039774A1 (fr) 2017-08-25 2018-08-07 Acier inoxydable ferritique ayant une ténacité à l'impact à basse température améliorée et son procédé de production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170108016A KR20190022127A (ko) 2017-08-25 2017-08-25 저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법

Publications (1)

Publication Number Publication Date
KR20190022127A true KR20190022127A (ko) 2019-03-06

Family

ID=65439123

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020170108016A KR20190022127A (ko) 2017-08-25 2017-08-25 저온 충격인성이 개선된 페라이트계 스테인리스강 및 이의 제조 방법

Country Status (2)

Country Link
KR (1) KR20190022127A (fr)
WO (1) WO2019039774A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113088654B (zh) * 2021-04-06 2022-09-13 山西太钢不锈钢股份有限公司 一种改善含铌铁素体不锈钢板宏观偏析的生产方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140080351A (ko) 2012-12-20 2014-06-30 주식회사 포스코 내리징성이 우수한 페라이트계 스테인리스강 및 그 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235450A (ja) * 1987-03-24 1988-09-30 Sumitomo Metal Ind Ltd 低温靭性にすぐれたフエライトステンレス鋼
JP3709833B2 (ja) * 2001-10-31 2005-10-26 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼板およびその製造方法
JP6093210B2 (ja) * 2013-03-13 2017-03-08 新日鐵住金ステンレス株式会社 低温靭性に優れた耐熱フェライト系ステンレス鋼板およびその製造方法
JP5908936B2 (ja) * 2014-03-26 2016-04-26 新日鐵住金ステンレス株式会社 フランジ用フェライト系ステンレス鋼板とその製造方法およびフランジ部品
JP6390594B2 (ja) * 2015-11-13 2018-09-19 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140080351A (ko) 2012-12-20 2014-06-30 주식회사 포스코 내리징성이 우수한 페라이트계 스테인리스강 및 그 제조 방법

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