EP2690182A1 - "Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite " - Google Patents

"Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite " Download PDF

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Publication number
EP2690182A1
EP2690182A1 EP12177843.5A EP12177843A EP2690182A1 EP 2690182 A1 EP2690182 A1 EP 2690182A1 EP 12177843 A EP12177843 A EP 12177843A EP 2690182 A1 EP2690182 A1 EP 2690182A1
Authority
EP
European Patent Office
Prior art keywords
melt
deoxidant
steel
strip
process according
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Withdrawn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
EP12177843.5A
Other languages
German (de)
English (en)
Inventor
Wouter Karel Tiekink
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.)
Tata Steel Ijmuiden BV
Original Assignee
Tata Steel Ijmuiden BV
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 Tata Steel Ijmuiden BV filed Critical Tata Steel Ijmuiden BV
Priority to EP12177843.5A priority Critical patent/EP2690182A1/fr
Priority to PCT/EP2013/065755 priority patent/WO2014016387A1/fr
Publication of EP2690182A1 publication Critical patent/EP2690182A1/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Withdrawn legal-status Critical Current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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/08—Particular sequence of the process steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP12177843.5A 2012-07-25 2012-07-25 "Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite " Withdrawn EP2690182A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12177843.5A EP2690182A1 (fr) 2012-07-25 2012-07-25 "Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite "
PCT/EP2013/065755 WO2014016387A1 (fr) 2012-07-25 2013-07-25 Procédé pour produire du carbone extra-bas ou une plaque, une bande ou une feuille en acier carbone ultra-bas et une plaque, une bande ou une feuille produite de cette façon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12177843.5A EP2690182A1 (fr) 2012-07-25 2012-07-25 "Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite "

Publications (1)

Publication Number Publication Date
EP2690182A1 true EP2690182A1 (fr) 2014-01-29

Family

ID=48877237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12177843.5A Withdrawn EP2690182A1 (fr) 2012-07-25 2012-07-25 "Procédé de production d'une dalle; bande ou feuille en acier à très faible teneur en carbone, et dalle, bande ou feuille ainsi produite "

Country Status (2)

Country Link
EP (1) EP2690182A1 (fr)
WO (1) WO2014016387A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112481450A (zh) * 2020-11-10 2021-03-12 鞍钢股份有限公司 一种高速冲压用的超低夹杂冷轧薄带及其炼钢优化方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09287015A (ja) * 1996-04-22 1997-11-04 Nippon Steel Corp 鋼中有害介在物の微細化方法
JP2004052077A (ja) * 2002-07-23 2004-02-19 Nippon Steel Corp アルミナクラスターの少ない鋼材の製造方法
JP2005002425A (ja) * 2003-06-12 2005-01-06 Nippon Steel Corp アルミナクラスターの少ない鋼材
WO2011012242A1 (fr) * 2009-07-30 2011-02-03 Corus Staal Bv Procédé de production d’une brame, bande ou tôle d’acier extra-doux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09287015A (ja) * 1996-04-22 1997-11-04 Nippon Steel Corp 鋼中有害介在物の微細化方法
JP2004052077A (ja) * 2002-07-23 2004-02-19 Nippon Steel Corp アルミナクラスターの少ない鋼材の製造方法
JP2005002425A (ja) * 2003-06-12 2005-01-06 Nippon Steel Corp アルミナクラスターの少ない鋼材
WO2011012242A1 (fr) * 2009-07-30 2011-02-03 Corus Staal Bv Procédé de production d’une brame, bande ou tôle d’acier extra-doux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112481450A (zh) * 2020-11-10 2021-03-12 鞍钢股份有限公司 一种高速冲压用的超低夹杂冷轧薄带及其炼钢优化方法
CN112481450B (zh) * 2020-11-10 2022-05-13 鞍钢股份有限公司 一种高速冲压用的超低夹杂冷轧薄带及其炼钢优化方法

Also Published As

Publication number Publication date
WO2014016387A1 (fr) 2014-01-30

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