GB1258534A - - Google Patents

Info

Publication number
GB1258534A
GB1258534A GB1258534DA GB1258534A GB 1258534 A GB1258534 A GB 1258534A GB 1258534D A GB1258534D A GB 1258534DA GB 1258534 A GB1258534 A GB 1258534A
Authority
GB
United Kingdom
Prior art keywords
steel
aluminium
deoxidized
deoxidizer
heading
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1258534A publication Critical patent/GB1258534A/en
Expired 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • 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
    • C21C7/0025—Adding carbon 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
    • C21C7/04—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
    • 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
    • C21C2007/0093—Duplex process; Two stage processes
    • 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

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)
GB1258534D 1969-02-04 1970-01-29 Expired GB1258534A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP798169A JPS4842769B1 (fr) 1969-02-04 1969-02-04

Publications (1)

Publication Number Publication Date
GB1258534A true GB1258534A (fr) 1971-12-30

Family

ID=11680602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258534D Expired GB1258534A (fr) 1969-02-04 1970-01-29

Country Status (4)

Country Link
JP (1) JPS4842769B1 (fr)
FR (1) FR2030295B1 (fr)
GB (1) GB1258534A (fr)
SE (1) SE365247B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100500874C (zh) * 2007-05-09 2009-06-17 北京科技大学 出钢过程对钢水进行预精炼的方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120853A (en) * 1975-04-12 1976-10-22 Kiyoshi Iwasaki Cartridge type cosmetics

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535013A (fr) * 1966-07-22 1968-08-02 Bethlehem Steel Corp Procédé pour la fabrication d'acier et acier conforme ou similaire à celui obtenu par ce procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100500874C (zh) * 2007-05-09 2009-06-17 北京科技大学 出钢过程对钢水进行预精炼的方法

Also Published As

Publication number Publication date
DE2005045B2 (de) 1976-02-19
DE2005045A1 (de) 1971-01-28
FR2030295B1 (fr) 1973-03-16
JPS4842769B1 (fr) 1973-12-14
SE365247B (fr) 1974-03-18
FR2030295A1 (fr) 1970-11-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees