GB1258102A - - Google Patents

Info

Publication number
GB1258102A
GB1258102A GB1258102DA GB1258102A GB 1258102 A GB1258102 A GB 1258102A GB 1258102D A GB1258102D A GB 1258102DA GB 1258102 A GB1258102 A GB 1258102A
Authority
GB
United Kingdom
Prior art keywords
march
lumps
slag
forming agent
particles
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
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 GB1258102A publication Critical patent/GB1258102A/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
    • C21C5/36—Processes yielding slags of special composition
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

1,258,102. Slag forming agent. NIPPON STEEL CORP. March 28, 1969 [March 30, 1968], No.16285/69. Heading C7M. A slag-forming agent for use in steel-making comprises lumps of a mixture of CaO, 29-60 wt. per cent, FeO or Fe 2 O 3 , 25-60%, and SiO 2 , 6-30%, said lumps being formed by partially melting particles of said ingredients at 1000-1700‹C. to produce a glassy material covering the boundaries of said particles and bonding them to one another. The agent may also contain less than 25% (aggregate) of Al 2 O 3 , CaF 2 , TiO 2 , MgO, MnO, or alkali metal oxide, e.g. Na 2 O or K 2 O.
GB1258102D 1968-03-30 1969-03-28 Expired GB1258102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2090168 1968-03-30

Publications (1)

Publication Number Publication Date
GB1258102A true GB1258102A (en) 1971-12-22

Family

ID=12040118

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258102D Expired GB1258102A (en) 1968-03-30 1969-03-28

Country Status (3)

Country Link
DE (1) DE1916419A1 (en)
FR (1) FR2005176A1 (en)
GB (1) GB1258102A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105648149A (en) * 2016-02-26 2016-06-08 铜陵安东铸钢有限责任公司 Molten steel refining slag forming agent and manufacturing process thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429653C2 (en) * 1994-08-20 1997-04-03 Anton Dr More Converter and method for refining molten metals, in particular from pig iron to steel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959646A (en) * 1950-03-31
BE712044A (en) * 1967-03-20 1968-07-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105648149A (en) * 2016-02-26 2016-06-08 铜陵安东铸钢有限责任公司 Molten steel refining slag forming agent and manufacturing process thereof

Also Published As

Publication number Publication date
FR2005176B1 (en) 1973-10-19
DE1916419A1 (en) 1969-11-06
FR2005176A1 (en) 1969-12-05

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Legal Events

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