FR2139642A1 - Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres - Google Patents

Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres

Info

Publication number
FR2139642A1
FR2139642A1 FR7119463A FR7119463A FR2139642A1 FR 2139642 A1 FR2139642 A1 FR 2139642A1 FR 7119463 A FR7119463 A FR 7119463A FR 7119463 A FR7119463 A FR 7119463A FR 2139642 A1 FR2139642 A1 FR 2139642A1
Authority
FR
France
Prior art keywords
double
carbon
tuyeres
decarburising
blowing
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
FR7119463A
Other languages
English (en)
French (fr)
Other versions
FR2139642B1 (OSRAM
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.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Priority to FR7119463A priority Critical patent/FR2139642A1/fr
Priority to BE781241A priority patent/BE781241A/xx
Priority to LU65052D priority patent/LU65052A1/xx
Priority to DE19722215435 priority patent/DE2215435B2/de
Priority to IT68042/72A priority patent/IT954593B/it
Priority to ES401691A priority patent/ES401691A1/es
Priority to GB1914972A priority patent/GB1354853A/en
Priority to US00247315A priority patent/US3844768A/en
Priority to AU41733/72A priority patent/AU467460B2/en
Priority to SU1784488A priority patent/SU538667A3/ru
Priority to CA143,359A priority patent/CA971755A/en
Priority to JP47053296A priority patent/JPS5147133B1/ja
Publication of FR2139642A1 publication Critical patent/FR2139642A1/fr
Priority to JP48014562A priority patent/JPS50110923A/ja
Application granted granted Critical
Publication of FR2139642B1 publication Critical patent/FR2139642B1/fr
Priority to CA180,256A priority patent/CA983721A/en
Granted 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
    • C21C5/005—Manufacture 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel

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)
FR7119463A 1971-05-28 1971-05-28 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres Granted FR2139642A1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
FR7119463A FR2139642A1 (en) 1971-05-28 1971-05-28 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
BE781241A BE781241A (fr) 1971-05-28 1972-03-24 Procede d'affinage des aciers allies contenant du chrome et plus specialement des aciers inoxydables
LU65052D LU65052A1 (OSRAM) 1971-05-28 1972-03-27
DE19722215435 DE2215435B2 (de) 1971-05-28 1972-03-29 Verfahren zum herstellen chromhaltiger stahllegierungen, insbesondere nichtrostender staehle
IT68042/72A IT954593B (it) 1971-05-28 1972-04-01 Procedimento di affinazione degli acciai legati contenenti cromo e piu specialmente degli acciai inos sidabili
ES401691A ES401691A1 (es) 1971-05-28 1972-04-12 Procedimiento de afino de aceros aleados que contienen cro-mo.
GB1914972A GB1354853A (en) 1971-05-28 1972-04-25 Decarburisation of alloy steels
US00247315A US3844768A (en) 1971-05-28 1972-04-25 Process for refining alloy steels containing chromium and including stainless steels
AU41733/72A AU467460B2 (en) 1971-05-28 1972-05-01 Process for refining alloy steels containing chromium
SU1784488A SU538667A3 (ru) 1971-05-28 1972-05-16 Способ рафинировани хромсодержащих сталей
CA143,359A CA971755A (en) 1971-05-28 1972-05-26 Procede d'affinage des aciers allies contenant du chrome
JP47053296A JPS5147133B1 (OSRAM) 1971-05-28 1972-05-29
JP48014562A JPS50110923A (OSRAM) 1971-05-28 1973-02-05
CA180,256A CA983721A (en) 1971-05-28 1973-09-04 Procede d'affinage des fontes et aciers contenant du chrome

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7119463A FR2139642A1 (en) 1971-05-28 1971-05-28 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres

Publications (2)

Publication Number Publication Date
FR2139642A1 true FR2139642A1 (en) 1973-01-12
FR2139642B1 FR2139642B1 (OSRAM) 1973-08-10

Family

ID=9077796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7119463A Granted FR2139642A1 (en) 1971-05-28 1971-05-28 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres

Country Status (2)

Country Link
FR (1) FR2139642A1 (OSRAM)
SU (1) SU538667A3 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448572A1 (fr) * 1979-02-09 1980-09-05 Pennsylvania Engineering Corp Procede d'obtention d'acier a basse teneur en carbone au convertisseur oxygene-argon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448572A1 (fr) * 1979-02-09 1980-09-05 Pennsylvania Engineering Corp Procede d'obtention d'acier a basse teneur en carbone au convertisseur oxygene-argon

Also Published As

Publication number Publication date
SU538667A3 (ru) 1976-12-05
FR2139642B1 (OSRAM) 1973-08-10

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