CN101351565B - 具有等轴晶粒结构的铁素体不锈钢板坯的制造方法以及通过该方法制造的铁素体不锈钢 - Google Patents

具有等轴晶粒结构的铁素体不锈钢板坯的制造方法以及通过该方法制造的铁素体不锈钢 Download PDF

Info

Publication number
CN101351565B
CN101351565B CN2006800497022A CN200680049702A CN101351565B CN 101351565 B CN101351565 B CN 101351565B CN 2006800497022 A CN2006800497022 A CN 2006800497022A CN 200680049702 A CN200680049702 A CN 200680049702A CN 101351565 B CN101351565 B CN 101351565B
Authority
CN
China
Prior art keywords
molten steel
concentration
stainless steel
grain structures
equiaxed grain
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.)
Expired - Fee Related
Application number
CN2006800497022A
Other languages
English (en)
Chinese (zh)
Other versions
CN101351565A (zh
Inventor
朴柱炫
宋孝锡
李喜镐
金东植
李教秀
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 CN101351565A publication Critical patent/CN101351565A/zh
Application granted granted Critical
Publication of CN101351565B publication Critical patent/CN101351565B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • 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)
CN2006800497022A 2005-12-28 2006-11-09 具有等轴晶粒结构的铁素体不锈钢板坯的制造方法以及通过该方法制造的铁素体不锈钢 Expired - Fee Related CN101351565B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020050131297 2005-12-28
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
CN101351565A CN101351565A (zh) 2009-01-21
CN101351565B true CN101351565B (zh) 2011-02-02

Family

ID=38218177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800497022A Expired - Fee Related CN101351565B (zh) 2005-12-28 2006-11-09 具有等轴晶粒结构的铁素体不锈钢板坯的制造方法以及通过该方法制造的铁素体不锈钢

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
US9115123B2 (en) 2010-11-05 2015-08-25 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
WO2016168827A1 (en) 2015-04-17 2016-10-20 The Curators Of The University Of Missouri Grain refinement in iron-based materials
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001220619A (ja) * 2000-02-03 2001-08-14 Nippon Yakin Kogyo Co Ltd ステンレス鋼の高清浄化精錬方法
JP2002030324A (ja) * 2000-07-14 2002-01-31 Sumitomo Metal Ind Ltd 耐リジング性フェライト系ステンレス鋼の製造方法

Family Cites Families (10)

* 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
TW496903B (en) * 1997-12-19 2002-08-01 Armco Inc Non-ridging ferritic chromium alloyed steel
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
WO2000061322A1 (fr) * 1999-04-08 2000-10-19 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
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
KR100355369B1 (ko) * 2000-06-07 2002-10-11 고려용접봉 주식회사 오스테나이트계 스테인레스강 용접용 플럭스 코어드 와이어
JP3733098B2 (ja) * 2002-10-23 2006-01-11 新日本製鐵株式会社 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
DE602005021286D1 (de) * 2004-09-15 2010-07-01 Sumitomo Metal Ind Stahl-Rohr mit ausgezeichneter Beständigkeit gegen Abblättern auf der inneren Oberfläche

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001220619A (ja) * 2000-02-03 2001-08-14 Nippon Yakin Kogyo Co Ltd ステンレス鋼の高清浄化精錬方法
JP2002030324A (ja) * 2000-07-14 2002-01-31 Sumitomo Metal Ind Ltd 耐リジング性フェライト系ステンレス鋼の製造方法

Also Published As

Publication number Publication date
WO2007074970A1 (en) 2007-07-05
JP5221379B2 (ja) 2013-06-26
CN101351565A (zh) 2009-01-21
US20090223603A1 (en) 2009-09-10
KR100729934B1 (ko) 2007-06-18
EP1974063A4 (de) 2010-07-21
JP2009521599A (ja) 2009-06-04
EP1974063A1 (de) 2008-10-01

Similar Documents

Publication Publication Date Title
CN101351565B (zh) 具有等轴晶粒结构的铁素体不锈钢板坯的制造方法以及通过该方法制造的铁素体不锈钢
EP2208799B1 (de) Verfahren zum schmelzen und veredeln von stahl für ein stahlrohr mit ausgezeichneter saurergasbeständigkeit
JP5833767B2 (ja) 高アルミ低シリコン超純フェライトステンレススチールの製錬方法
CN106148633B (zh) 一种if钢中铝含量的稳定控制方法
CN105603156B (zh) 超低硫if钢的生产方法
CN109402498B (zh) 一种高温渗碳齿轮钢及其制造方法
US4944798A (en) Method of manufacturing clean steel
JP2008240137A (ja) 含Ｔｉ極低炭素鋼の溶製方法及び含Ｔｉ極低炭素鋼鋳片の製造方法
WO2023062856A1 (ja) 表面性状に優れたＮｉ基合金およびその製造方法
CN114107595A (zh) 一种获得固态Al2O3夹杂物的精炼工艺
US20120261085A1 (en) Extremely low carbon steel plate excellent in surface characteristics, workability, and formability and a method of producing extremely low carbon cast slab
JP5014876B2 (ja) 真空脱ガス工程における復硫現象を抑制する低硫鋼の二次精錬方法
KR100729124B1 (ko) 응고조직이 미세한 페라이트계 스테인리스강 제조방법
JP5326201B2 (ja) アルミキルド鋼の溶製方法
US5085691A (en) Method of producing general-purpose steel
KR102251032B1 (ko) 탈산제 및 용강 처리 방법
JP5073951B2 (ja) 被削性と強度特性にすぐれた機械構造用鋼の製造法
JP3719056B2 (ja) 清浄性に優れた極低炭素鋼の製造方法
CN109797343A (zh) 一种适用于极寒地区的低合金高强度热轧钢带及其制备方法
KR101526447B1 (ko) 용선의 정련 방법
JP7235070B2 (ja) 溶鋼の二次精錬方法および鋼の製造方法
JP2976849B2 (ja) 耐ｈｉｃ鋼の製造方法
STRAT et al. Physico-Chemical Processes from the X70 Steel Making and Continuous Casting that Influence its Properties
KR100925596B1 (ko) 극저탄소강 제조를 위한 용강의 정련방법
KR20030047537A (ko) 질화티타늄 개재물 흡수능이 높은 턴디쉬 플럭스

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110202

Termination date: 20201109