FR2194783A1 - Nitrogen contg steel - by adding nitrogen to oxygen during final blowing of melt - Google Patents

Nitrogen contg steel - by adding nitrogen to oxygen during final blowing of melt

Info

Publication number
FR2194783A1
FR2194783A1 FR7327265A FR7327265A FR2194783A1 FR 2194783 A1 FR2194783 A1 FR 2194783A1 FR 7327265 A FR7327265 A FR 7327265A FR 7327265 A FR7327265 A FR 7327265A FR 2194783 A1 FR2194783 A1 FR 2194783A1
Authority
FR
France
Prior art keywords
nitrogen
blowing
steel
oxygen
melt
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
FR7327265A
Other languages
English (en)
French (fr)
Other versions
FR2194783B1 (cs
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.)
Stahlwerke Pein Salzgitter AG
Original Assignee
Stahlwerke Pein Salzgitter AG
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 Stahlwerke Pein Salzgitter AG filed Critical Stahlwerke Pein Salzgitter AG
Publication of FR2194783A1 publication Critical patent/FR2194783A1/fr
Application granted granted Critical
Publication of FR2194783B1 publication Critical patent/FR2194783B1/fr
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
    • C21C5/28—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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
FR7327265A 1972-07-31 1973-07-25 Nitrogen contg steel - by adding nitrogen to oxygen during final blowing of melt Granted FR2194783A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722237498 DE2237498B2 (de) 1972-07-31 1972-07-31 Verfahren zum Aufsticken von Stahlschmelzen

Publications (2)

Publication Number Publication Date
FR2194783A1 true FR2194783A1 (en) 1974-03-01
FR2194783B1 FR2194783B1 (cs) 1976-06-18

Family

ID=5852169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327265A Granted FR2194783A1 (en) 1972-07-31 1973-07-25 Nitrogen contg steel - by adding nitrogen to oxygen during final blowing of melt

Country Status (7)

Country Link
AT (1) ATA621873A (cs)
BE (1) BE802933A (cs)
DE (1) DE2237498B2 (cs)
FR (1) FR2194783A1 (cs)
IT (1) IT992669B (cs)
LU (1) LU68045A1 (cs)
NL (1) NL7310568A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387290A1 (fr) * 1977-04-11 1978-11-10 Union Carbide Corp Procede d'enrichissement en azote des aciers a l'oxygene pendant leur decarburation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417739A (en) * 1993-12-30 1995-05-23 Ltv Steel Company, Inc. Method of making high nitrogen content steel
DE102014112286A1 (de) 2014-08-27 2016-03-03 Thyssenkrupp Ag Verfahren zur Herstellung eines aufgestickten Verpackungsstahls
DE102014116929B3 (de) * 2014-11-19 2015-11-05 Thyssenkrupp Ag Verfahren zur Herstellung eines aufgestickten Verpackungsstahls, kaltgewalztes Stahlflachprodukt und Vorrichtung zum rekristallisierenden Glühen und Aufsticken eines Stahlflachprodukts

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1066746A (fr) * 1951-11-23 1954-06-09 Voest Ag Procédé de production d'un acier non stabilisé riche en azote et exempt de bullesgazeuses, destiné aux tours automatiques et machines-outils similaires

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1066746A (fr) * 1951-11-23 1954-06-09 Voest Ag Procédé de production d'un acier non stabilisé riche en azote et exempt de bullesgazeuses, destiné aux tours automatiques et machines-outils similaires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387290A1 (fr) * 1977-04-11 1978-11-10 Union Carbide Corp Procede d'enrichissement en azote des aciers a l'oxygene pendant leur decarburation

Also Published As

Publication number Publication date
BE802933A (fr) 1973-11-16
FR2194783B1 (cs) 1976-06-18
NL7310568A (cs) 1974-02-04
LU68045A1 (cs) 1973-09-26
IT992669B (it) 1975-09-30
DE2237498A1 (de) 1974-02-14
DE2237498B2 (de) 1974-07-25
ATA621873A (de) 1975-05-15

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Legal Events

Date Code Title Description
ST Notification of lapse