FR93525E - Procédé pour débarrasser l'acier de l'azote libre. - Google Patents

Procédé pour débarrasser l'acier de l'azote libre.

Info

Publication number
FR93525E
FR93525E FR118617A FR118617A FR93525E FR 93525 E FR93525 E FR 93525E FR 118617 A FR118617 A FR 118617A FR 118617 A FR118617 A FR 118617A FR 93525 E FR93525 E FR 93525E
Authority
FR
France
Prior art keywords
steel
nitrogen
gas
coil
hydrogen
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
FR118617A
Other languages
English (en)
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.)
KONINKLIJKE HOOGOVENS EN STAAL
Koninklijke Nederlandsche Hoogovens en Staalfabrieken NV
Original Assignee
KONINKLIJKE HOOGOVENS EN STAAL
Koninklijke Nederlandsche Hoogovens en Staalfabrieken NV
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 KONINKLIJKE HOOGOVENS EN STAAL, Koninklijke Nederlandsche Hoogovens en Staalfabrieken NV filed Critical KONINKLIJKE HOOGOVENS EN STAAL
Application granted granted Critical
Publication of FR93525E publication Critical patent/FR93525E/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/08—Extraction of nitrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
FR118617A 1961-12-01 1967-08-22 Procédé pour débarrasser l'acier de l'azote libre. Expired FR93525E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL272081 1961-12-01
NL6611857A NL147482B (nl) 1961-12-01 1966-08-23 Werkwijze voor het verouderingsbestendig maken van een niet-gekalmeerde staalplaat en aldus verouderingsbestendige staalplaat.

Publications (1)

Publication Number Publication Date
FR93525E true FR93525E (fr) 1969-04-11

Family

ID=19797471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR118617A Expired FR93525E (fr) 1961-12-01 1967-08-22 Procédé pour débarrasser l'acier de l'azote libre.

Country Status (6)

Country Link
BE (1) BE702973A (fr)
DE (1) DE1583380A1 (fr)
FR (1) FR93525E (fr)
GB (1) GB1187838A (fr)
LU (1) LU54342A1 (fr)
NL (1) NL147482B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105519A (en) * 1976-03-02 1977-09-05 Sumitomo Metal Ind Ltd Production of cold rolled steel sheet from rimmed steel of very low ni trogen content

Also Published As

Publication number Publication date
NL6611857A (fr) 1968-02-26
LU54342A1 (fr) 1967-10-23
NL147482B (nl) 1975-10-15
BE702973A (fr) 1968-02-23
DE1583380A1 (de) 1970-08-13
GB1187838A (en) 1970-04-15

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