KR101553607B1 - 연성이 우수한 페라이트계 스테인리스 강재 및 그 제조방법 - Google Patents

연성이 우수한 페라이트계 스테인리스 강재 및 그 제조방법 Download PDF

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Publication number
KR101553607B1
KR101553607B1 KR1020150061378A KR20150061378A KR101553607B1 KR 101553607 B1 KR101553607 B1 KR 101553607B1 KR 1020150061378 A KR1020150061378 A KR 1020150061378A KR 20150061378 A KR20150061378 A KR 20150061378A KR 101553607 B1 KR101553607 B1 KR 101553607B1
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KR
South Korea
Prior art keywords
less
stainless steel
ferritic stainless
slab
hot
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KR1020150061378A
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English (en)
Korean (ko)
Inventor
박수호
심재홍
Original Assignee
주식회사 포스코
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Priority to JP2017533577A priority Critical patent/JP6605032B2/ja
Priority to US15/529,263 priority patent/US20170283894A1/en
Priority to PCT/KR2015/004410 priority patent/WO2016104883A1/ko
Application granted granted Critical
Publication of KR101553607B1 publication Critical patent/KR101553607B1/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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B22D11/002—Stainless steels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/021—Modifying 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
    • 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
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C22C38/001—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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/28—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
    • C21D2211/004—Dispersions; Precipitations
    • 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 Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Continuous Casting (AREA)
KR1020150061378A 2014-12-26 2015-04-30 연성이 우수한 페라이트계 스테인리스 강재 및 그 제조방법 KR101553607B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017533577A JP6605032B2 (ja) 2014-12-26 2015-04-30 延性に優れたフェライト系ステンレス鋼材及びその製造方法
US15/529,263 US20170283894A1 (en) 2014-12-26 2015-04-30 Ferritic stainless steel having excellent ductility and method for manufacturing same
PCT/KR2015/004410 WO2016104883A1 (ko) 2014-12-26 2015-04-30 연성이 우수한 페라이트계 스테인리스 강재 및 그 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140190545 2014-12-26
KR20140190545 2014-12-26

Publications (1)

Publication Number Publication Date
KR101553607B1 true KR101553607B1 (ko) 2015-09-17

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KR1020150061378A KR101553607B1 (ko) 2014-12-26 2015-04-30 연성이 우수한 페라이트계 스테인리스 강재 및 그 제조방법

Country Status (7)

Country Link
US (1) US20170283894A1 (es)
EP (1) EP3239335B1 (es)
JP (1) JP6605032B2 (es)
KR (1) KR101553607B1 (es)
CN (1) CN107109598B (es)
ES (1) ES2767505T3 (es)
WO (1) WO2016104883A1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018062617A1 (ko) * 2016-09-28 2018-04-05 주식회사 포스코 카본 슬러지 흡착이 저감된 배기계 열교환기용 페라이트계 스테인리스강 및 이의 제조 방법
CN109415783A (zh) * 2016-03-30 2019-03-01 日新制钢株式会社 含Ti铁素体系不锈钢板及制造方法以及法兰

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102020511B1 (ko) 2017-12-14 2019-09-10 주식회사 포스코 충격 인성이 우수한 페라이트계 스테인리스강 및 그 제조방법
KR102123665B1 (ko) * 2018-10-23 2020-06-18 주식회사 포스코 클램프용 고강도 페라이트계 스테인리스강 및 그 제조방법
CN109648064B (zh) * 2019-01-25 2021-04-20 北京科技大学 一种超级奥氏体不锈钢凝固组织σ相变性的方法

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US4889566A (en) * 1987-06-18 1989-12-26 Kawasaki Steel Corporation Method for producing cold rolled steel sheets having improved spot weldability
JP3422871B2 (ja) * 1995-04-11 2003-06-30 新日本製鐵株式会社 溶接性に優れたフェライト系ステンレス鋼
JPH09287021A (ja) * 1996-04-19 1997-11-04 Nippon Steel Corp 加工性に優れた高純フェライト系ステンレス熱延鋼帯の製造方法
JP3624732B2 (ja) * 1998-01-30 2005-03-02 住友金属工業株式会社 成形性に優れたフェライト系ステンレス鋼及びフェライト系ステンレス鋼鋳片
CN1307320C (zh) * 2002-06-17 2007-03-28 杰富意钢铁株式会社 含Ti铁素体不锈钢板及其制造方法
JP2005307234A (ja) * 2004-04-19 2005-11-04 Nisshin Steel Co Ltd 耐リジング性，表面性状に優れたフェライト系ステンレス鋼板及びその製造方法
JP5219689B2 (ja) * 2008-08-12 2013-06-26 新日鐵住金ステンレス株式会社 加工肌荒れの小さいフェライト系ステンレス鋼板およびその製造方法
JP5560578B2 (ja) * 2009-03-31 2014-07-30 Ｊｆｅスチール株式会社 加工性に優れたフェライト系ステンレス冷延鋼板及びその製造方法
JP5707671B2 (ja) * 2009-03-31 2015-04-30 Ｊｆｅスチール株式会社 加工性と製造性に優れたＮｂ添加フェライト系ステンレス鋼板及びその製造方法
CN102041452A (zh) * 2009-10-23 2011-05-04 宝山钢铁股份有限公司 一种中铬铁素体不锈钢及其制造方法
JP5307170B2 (ja) * 2011-02-25 2013-10-02 新日鐵住金ステンレス株式会社 加工肌荒れの少ない成形性に優れたフェライト系ステンレス鋼板の製造方法
US20140294660A1 (en) * 2011-12-09 2014-10-02 Nippon Steel & Sumikin Stainless Steel Corporation Hot-rolled ferritic stainless steel sheet with excellent cold cracking resistance and manufacturing process therefor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109415783A (zh) * 2016-03-30 2019-03-01 日新制钢株式会社 含Ti铁素体系不锈钢板及制造方法以及法兰
EP3438308A4 (en) * 2016-03-30 2019-09-25 Nippon Steel Nisshin Co., Ltd. FERRITIC STAINLESS STEEL SHEET COMPRISING TITANIUM, MANUFACTURING METHOD AND FLANGE
CN109415783B (zh) * 2016-03-30 2021-02-12 日铁不锈钢株式会社 含Ti铁素体系不锈钢板及制造方法以及法兰
WO2018062617A1 (ko) * 2016-09-28 2018-04-05 주식회사 포스코 카본 슬러지 흡착이 저감된 배기계 열교환기용 페라이트계 스테인리스강 및 이의 제조 방법
EP3521471A4 (en) * 2016-09-28 2019-09-04 Posco FERRITIC STAINLESS STEEL HAVING REDUCED CARBON SLUDGE ADSORPTION FOR EXHAUST SYSTEM HEAT EXCHANGER AND METHOD FOR MANUFACTURING THE SAME
US11634801B2 (en) 2016-09-28 2023-04-25 Posco Co., Ltd Ferritic stainless steel having reduced carbon sludge adsorption for exhaust system heat exchanger and method of manufacturing same

Also Published As

Publication number Publication date
EP3239335A1 (en) 2017-11-01
EP3239335A4 (en) 2017-11-29
ES2767505T3 (es) 2020-06-17
JP2018505308A (ja) 2018-02-22
JP6605032B2 (ja) 2019-11-13
CN107109598A (zh) 2017-08-29
WO2016104883A1 (ko) 2016-06-30
US20170283894A1 (en) 2017-10-05
EP3239335B1 (en) 2019-11-13
CN107109598B (zh) 2018-09-14
WO2016104883A8 (ko) 2017-01-19

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