EP2772554A4 - Procédé pour la fusion d'acier inoxydable ferritique ultrapur à haute teneur en aluminium et faible teneur en silicium - Google Patents

Procédé pour la fusion d'acier inoxydable ferritique ultrapur à haute teneur en aluminium et faible teneur en silicium

Info

Publication number
EP2772554A4
EP2772554A4 EP12843727.4A EP12843727A EP2772554A4 EP 2772554 A4 EP2772554 A4 EP 2772554A4 EP 12843727 A EP12843727 A EP 12843727A EP 2772554 A4 EP2772554 A4 EP 2772554A4
Authority
EP
European Patent Office
Prior art keywords
aluminum
low
stainless steel
ferritic stainless
smelting high
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.)
Granted
Application number
EP12843727.4A
Other languages
German (de)
English (en)
Other versions
EP2772554B1 (fr
EP2772554A1 (fr
Inventor
Yingtie Xu
Zhaoping Chen
Shi Li
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel 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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP2772554A1 publication Critical patent/EP2772554A1/fr
Publication of EP2772554A4 publication Critical patent/EP2772554A4/fr
Application granted granted Critical
Publication of EP2772554B1 publication Critical patent/EP2772554B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21C7/06—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
    • C21C7/04—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
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP12843727.4A 2011-10-25 2012-01-06 Procédé pour la fusion d'acier inoxydable ferritique ultrapur à haute teneur en aluminium et faible teneur en silicium Active EP2772554B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201110327941 CN102329920B (zh) 2011-10-25 2011-10-25 一种高铝低硅超纯铁素体不锈钢的冶炼方法
PCT/CN2012/070096 WO2013060101A1 (fr) 2011-10-25 2012-01-06 Procédé pour la fusion d'acier inoxydable ferritique ultrapur à haute teneur en aluminium et faible teneur en silicium

Publications (3)

Publication Number Publication Date
EP2772554A1 EP2772554A1 (fr) 2014-09-03
EP2772554A4 true EP2772554A4 (fr) 2015-11-11
EP2772554B1 EP2772554B1 (fr) 2017-03-01

Family

ID=45481880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12843727.4A Active EP2772554B1 (fr) 2011-10-25 2012-01-06 Procédé pour la fusion d'acier inoxydable ferritique ultrapur à haute teneur en aluminium et faible teneur en silicium

Country Status (6)

Country Link
EP (1) EP2772554B1 (fr)
JP (1) JP5833767B2 (fr)
KR (1) KR101787179B1 (fr)
CN (1) CN102329920B (fr)
IN (1) IN2014CN01547A (fr)
WO (1) WO2013060101A1 (fr)

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CN103225034B (zh) * 2013-04-25 2015-05-06 山西太钢不锈钢股份有限公司 一种提高超纯铁素体不锈钢钛收得率的方法
CN103397141B (zh) * 2013-07-30 2014-12-24 山西太钢不锈钢股份有限公司 一种高铝不锈钢的冶炼方法
CN103388052A (zh) * 2013-08-08 2013-11-13 山西太钢不锈钢股份有限公司 低硅钢加含硅合金脱氧的生产方法
CN104946855B (zh) * 2015-07-15 2017-03-08 武汉钢铁(集团)公司 一种高铝超低碳钢的真空处理方法
CN105648148B (zh) * 2016-01-06 2017-08-15 山西太钢不锈钢股份有限公司 一种超纯铁素体不锈钢脱氧及夹杂物控制的方法
CN109423536B (zh) * 2017-08-25 2021-04-13 宝山钢铁股份有限公司 一种超低碳13Cr不锈钢的冶炼方法
CN107876211B (zh) * 2017-11-28 2023-08-29 嘉峪关天源新材料有限责任公司 一种高磁场强度的复合聚磁介质棒及其制备方法
CN112063801B (zh) * 2020-09-17 2022-08-23 浦项(张家港)不锈钢股份有限公司 不锈钢及其制备方法
CN112475255B (zh) * 2020-11-18 2022-04-01 山西太钢不锈钢股份有限公司 一种高铝铁素体不锈钢连铸生产方法
CN113151637B (zh) * 2021-03-31 2022-10-14 北京科技大学 一种含铬钢表面抛光夹杂物凹坑缺陷的控制方法
CN113560509B (zh) * 2021-07-27 2023-02-24 上海电气上重铸锻有限公司 一种低硅控硼钢大钢锭的制造方法
CN113737081B (zh) * 2021-08-31 2022-04-01 中国科学院上海应用物理研究所 不锈钢冶炼方法、改性方法及一种不锈钢
CN115287403A (zh) * 2022-08-15 2022-11-04 广东韶钢松山股份有限公司 低碳低硅冷镦钢脱氧方法
CN115369207A (zh) * 2022-09-06 2022-11-22 重庆钢铁股份有限公司 一种非真空冶炼板坯氮含量控制方法
CN115522124B (zh) * 2022-09-20 2023-03-14 中天钢铁集团有限公司 改善中碳含S含Al钢连铸可浇性及硫化物形态的方法

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JPH06128620A (ja) * 1992-10-19 1994-05-10 Nippon Steel Corp Ｃａ添加方法
JPH09287016A (ja) * 1996-04-19 1997-11-04 Nippon Steel Corp ステンレス鋼溶製方法
JPH101710A (ja) * 1996-06-13 1998-01-06 Daido Steel Co Ltd 含Ｃｒ，Ａｌ低Ｎ，Ｓｉ鋼の製造方法
JPH1180826A (ja) * 1997-09-01 1999-03-26 Nippon Steel Corp 低Ｓｉ鋼及びその製造方法
JPH11158537A (ja) * 1997-12-02 1999-06-15 Sumitomo Metal Ind Ltd 清浄度に優れた極低炭素鋼の製造方法
JP3855553B2 (ja) * 1999-08-30 2006-12-13 Ｊｆｅスチール株式会社 高Ｓｉ含有溶鋼のＡｌ濃度調整方法
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
JP2008274329A (ja) * 2007-04-26 2008-11-13 Jfe Steel Kk リジング特性に優れた低炭フェライト系ステンレス鋼およびその製造方法
CN100557038C (zh) * 2007-05-30 2009-11-04 山西太钢不锈钢股份有限公司 一种超纯铁素体不锈钢脱碳、脱氮的冶炼方法
KR100922061B1 (ko) * 2007-12-12 2009-10-16 주식회사 포스코 극저탄소 페라이트계 스테인리스강 제조방법
CN101768656B (zh) * 2008-12-31 2011-08-24 宝山钢铁股份有限公司 一种真空精炼超低碳铁素体不锈钢的方法
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
CN102199684B (zh) * 2010-03-25 2013-03-13 宝山钢铁股份有限公司 超低氧含钛铁素体不锈钢的生产方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2013060101A1 *

Also Published As

Publication number Publication date
JP2015501382A (ja) 2015-01-15
CN102329920B (zh) 2013-04-24
KR101787179B1 (ko) 2017-11-15
WO2013060101A1 (fr) 2013-05-02
KR20140092800A (ko) 2014-07-24
EP2772554B1 (fr) 2017-03-01
EP2772554A1 (fr) 2014-09-03
CN102329920A (zh) 2012-01-25
JP5833767B2 (ja) 2015-12-16
IN2014CN01547A (fr) 2015-05-08

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