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EP1974063A4 - Procede de fabrication de brames d'acier inoxydable ferritiqie et acier inoxydable ferritique ainsi obtenu - Google Patents

Procede de fabrication de brames d'acier inoxydable ferritiqie et acier inoxydable ferritique ainsi obtenu

Info

Publication number
EP1974063A4
EP1974063A4 EP06812508A EP06812508A EP1974063A4 EP 1974063 A4 EP1974063 A4 EP 1974063A4 EP 06812508 A EP06812508 A EP 06812508A EP 06812508 A EP06812508 A EP 06812508A EP 1974063 A4 EP1974063 A4 EP 1974063A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
ferritic stainless
grain structures
equiaxed grain
manufacturing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06812508A
Other languages
German (de)
English (en)
Other versions
EP1974063A1 (fr
Inventor
Hyo Seok Song
Joo Hyun Park
Hee Ho Lee
Kyo Soo Lee
Dong Sik Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP1974063A1 publication Critical patent/EP1974063A1/fr
Publication of EP1974063A4 publication Critical patent/EP1974063A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Continuous Casting (AREA)
EP06812508A 2005-12-28 2006-11-09 Procede de fabrication de brames d'acier inoxydable ferritiqie et acier inoxydable ferritique ainsi obtenu Withdrawn EP1974063A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050131297A KR100729934B1 (ko) 2005-12-28 2005-12-28 응고조직이 미세한 페라이트계 스테인리스강 제조방법 및이로써 제조된 페라이트계 스테인리스강
PCT/KR2006/004673 WO2007074970A1 (fr) 2005-12-28 2006-11-09 Procede de fabrication de brames d'acier inoxydable ferritiqie et acier inoxydable ferritique ainsi obtenu

Publications (2)

Publication Number Publication Date
EP1974063A1 EP1974063A1 (fr) 2008-10-01
EP1974063A4 true EP1974063A4 (fr) 2010-07-21

Family

ID=38218177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06812508A Withdrawn EP1974063A4 (fr) 2005-12-28 2006-11-09 Procede de fabrication de brames d'acier inoxydable ferritiqie et acier inoxydable ferritique ainsi obtenu

Country Status (6)

Country Link
US (1) US20090223603A1 (fr)
EP (1) EP1974063A4 (fr)
JP (1) JP5221379B2 (fr)
KR (1) KR100729934B1 (fr)
CN (1) CN101351565B (fr)
WO (1) WO2007074970A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2047926A1 (fr) * 2007-10-10 2009-04-15 Ugine & Alz France Procéde de fabrication d'aciers inoxydables comportant de fins carbonitrures, et produit obtenu à partir de ce procédé
KR100922059B1 (ko) * 2007-12-20 2009-10-16 주식회사 포스코 티타늄 첨가된 고크롬 스테인리스강의 정련방법
CN102199688B (zh) * 2010-03-25 2013-02-06 宝山钢铁股份有限公司 一种高效精炼超纯铁素体不锈钢的方法
TWI412597B (zh) * 2010-05-28 2013-10-21 China Steel Corp Bearing steel refining method for improving fatigue life
WO2012060397A1 (fr) 2010-11-05 2012-05-10 国立大学法人九州大学 Agent préventif ou thérapeutique de la douleur associée au zona en phase aiguë
KR101198589B1 (ko) 2010-12-27 2012-11-06 주식회사 포스코 고크롬 페라이트 스테인리스강 정련방법 및 정련장치
JP5687590B2 (ja) * 2011-09-27 2015-03-18 日本冶金工業株式会社 ボロン含有ステンレス鋼の製造方法
JP6306353B2 (ja) * 2014-01-21 2018-04-04 Ｊｆｅスチール株式会社 フェライト系ステンレス冷延鋼板用スラブの製造方法およびフェライト系ステンレス冷延鋼板の製造方法
HUE052879T2 (hu) * 2015-04-17 2021-05-28 Univ Missouri Szemcseméret-finomítás vas-alapú anyagokban
KR101898165B1 (ko) * 2016-12-06 2018-09-13 주식회사 포스코 주조조직이 미세한 페라이트계 스테인리스강의 제조방법
KR101896340B1 (ko) * 2017-06-01 2018-09-07 주식회사 포스코 용강 제조 방법
CN107574385B (zh) * 2017-08-28 2019-07-12 北京科技大学 一种提高双稳定铁素体不锈钢连铸坯等轴晶率的工艺方法
CN113502376A (zh) * 2021-06-18 2021-10-15 鞍钢联众(广州)不锈钢有限公司 一种改善含钛不锈钢钢坯次表皮夹杂的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924313A1 (fr) * 1997-12-19 1999-06-23 Armco Inc. Acier au chrome ferritique résistant à la formation de stries
JP2000073146A (ja) * 1998-08-27 2000-03-07 Nisshin Steel Co Ltd 耐リジング性に優れたフェライト系ステンレス鋼
JP2000160230A (ja) * 1998-11-20 2000-06-13 Nisshin Steel Co Ltd 耐リジング性に優れたフェライト系ステンレス鋼の製造方法
EP1099498A1 (fr) * 1999-04-08 2001-05-16 Nippon Steel Corporation Piece en acier moule et produit en acier presentant une excellente aptitude au formage et procede de traitement d'acier en fusion prevu a cet effet, et procede de production associe
JP2004143510A (ja) * 2002-10-23 2004-05-20 Nippon Steel Corp 表面品質に優れた極低炭素または低炭素薄板用鋼板の溶製方法および連続鋳造鋳片

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0949010A (ja) * 1995-08-09 1997-02-18 Nisshin Steel Co Ltd 等軸晶率の高いフエライト系ステンレス鋼連鋳スラブの製造方法
JP3288626B2 (ja) 1997-03-21 2002-06-04 新日本製鐵株式会社 リジング特性に優れた高加工性フェライト系ステンレス鋼薄板及びその製造方法
JP2001049322A (ja) * 1999-08-05 2001-02-20 Nisshin Steel Co Ltd 耐リジング性に優れたフェライト系ステンレス鋼の製造方法
JP3668087B2 (ja) * 2000-02-03 2005-07-06 日本冶金工業株式会社 ステンレス鋼の高清浄化精錬方法
KR100355369B1 (ko) * 2000-06-07 2002-10-11 고려용접봉 주식회사 오스테나이트계 스테인레스강 용접용 플럭스 코어드 와이어
JP3624804B2 (ja) * 2000-07-14 2005-03-02 住友金属工業株式会社 耐リジング性フェライト系ステンレス鋼の製造方法
DK1637785T3 (da) * 2004-09-15 2010-08-16 Sumitomo Metal Ind Stålrør med fremragende eksfolieringsmodstandsdygtighed mod afskalning på den indvendige overflade

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924313A1 (fr) * 1997-12-19 1999-06-23 Armco Inc. Acier au chrome ferritique résistant à la formation de stries
JP2000073146A (ja) * 1998-08-27 2000-03-07 Nisshin Steel Co Ltd 耐リジング性に優れたフェライト系ステンレス鋼
JP2000160230A (ja) * 1998-11-20 2000-06-13 Nisshin Steel Co Ltd 耐リジング性に優れたフェライト系ステンレス鋼の製造方法
EP1099498A1 (fr) * 1999-04-08 2001-05-16 Nippon Steel Corporation Piece en acier moule et produit en acier presentant une excellente aptitude au formage et procede de traitement d'acier en fusion prevu a cet effet, et procede de production associe
JP2004143510A (ja) * 2002-10-23 2004-05-20 Nippon Steel Corp 表面品質に優れた極低炭素または低炭素薄板用鋼板の溶製方法および連続鋳造鋳片

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007074970A1 *

Also Published As

Publication number Publication date
US20090223603A1 (en) 2009-09-10
CN101351565B (zh) 2011-02-02
WO2007074970A1 (fr) 2007-07-05
JP5221379B2 (ja) 2013-06-26
CN101351565A (zh) 2009-01-21
JP2009521599A (ja) 2009-06-04
KR100729934B1 (ko) 2007-06-18
EP1974063A1 (fr) 2008-10-01

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20080618

AK Designated contracting states

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Designated state(s): DE ES FR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KIM, DONG SIKC/O POSCO

Inventor name: SONG, HYO SEOKC/O POSCO

Inventor name: PARK, JOO HYUNC/O POSCO

Inventor name: LEE, HEE HOC/O POSCO

Inventor name: LEE, KYO SOOC/O POSCO

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE ES FR

A4 Supplementary search report drawn up and despatched

Effective date: 20100623

RIC1 Information provided on ipc code assigned before grant

Ipc: C21C 5/52 20060101AFI20070821BHEP

Ipc: C21C 7/00 20060101ALI20100617BHEP

Ipc: C21C 7/068 20060101ALI20100617BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20120601