EP1974063A4 - Verfahren zur herstellung von platten aus ferritischem nichtrostendem stahl mit gleichachsigen kornstrukturen und der dadurch hergestellte ferritische nichtrostende stahl - Google Patents

Verfahren zur herstellung von platten aus ferritischem nichtrostendem stahl mit gleichachsigen kornstrukturen und der dadurch hergestellte ferritische nichtrostende stahl

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Withdrawn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
English (en)
French (fr)
Other versions
EP1974063A1 (de
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/de
Publication of EP1974063A4 publication Critical patent/EP1974063A4/de
Withdrawn legal-status Critical Current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 Verfahren zur herstellung von platten aus ferritischem nichtrostendem stahl mit gleichachsigen kornstrukturen und der dadurch hergestellte ferritische nichtrostende stahl Withdrawn EP1974063A4 (de)

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 (en) 2005-12-28 2006-11-09 Method for manufacturing ferritic stainless steel slabs with equiaxed grain structures and the ferritic stainless steel manufactured by it

Publications (2)

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

Family

ID=38218177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06812508A Withdrawn EP1974063A4 (de) 2005-12-28 2006-11-09 Verfahren zur herstellung von platten aus ferritischem nichtrostendem stahl mit gleichachsigen kornstrukturen und der dadurch hergestellte ferritische nichtrostende stahl

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2047926A1 (de) * 2007-10-10 2009-04-15 Ugine & Alz France Verfahren zur Herstellung von rostfreiem Stahl mit feinen Carbonitriden, und Produkt, das mit diesem Verfahren hergestellt wird
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
CA2819997C (en) 2010-11-05 2019-06-25 Kyushu University Preventive or therapeutic agent for pain associated with herpes zoster in acute phase
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
DK3283608T3 (da) * 2015-04-17 2020-11-23 Univ Missouri Kornraffinering i jernbaserede materialer
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 (de) * 1997-12-19 1999-06-23 Armco Inc. Ferritischer Chromstahl mit Widerstand gegen Rillenbildung
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 (de) * 1999-04-08 2001-05-16 Nippon Steel Corporation Stahlgussstück und stahlprodukt mit hervorragenden umformeigenschaften und verfahren zur behandlung dafür geeigneten geschmolzenen stahls und verfahrne zu deren herstellung
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
DE602005021286D1 (de) * 2004-09-15 2010-07-01 Sumitomo Metal Ind Stahl-Rohr mit ausgezeichneter Beständigkeit gegen Abblättern auf der inneren Oberfläche

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924313A1 (de) * 1997-12-19 1999-06-23 Armco Inc. Ferritischer Chromstahl mit Widerstand gegen Rillenbildung
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 (de) * 1999-04-08 2001-05-16 Nippon Steel Corporation Stahlgussstück und stahlprodukt mit hervorragenden umformeigenschaften und verfahren zur behandlung dafür geeigneten geschmolzenen stahls und verfahrne zu deren herstellung
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
WO2007074970A1 (en) 2007-07-05
US20090223603A1 (en) 2009-09-10
CN101351565A (zh) 2009-01-21
KR100729934B1 (ko) 2007-06-18
JP5221379B2 (ja) 2013-06-26
EP1974063A1 (de) 2008-10-01
CN101351565B (zh) 2011-02-02
JP2009521599A (ja) 2009-06-04

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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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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

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