FR2104575A5 - Ferro alloys - prodn with low nitrogen content - Google Patents

Ferro alloys - prodn with low nitrogen content

Info

Publication number
FR2104575A5
FR2104575A5 FR7130355A FR7130355A FR2104575A5 FR 2104575 A5 FR2104575 A5 FR 2104575A5 FR 7130355 A FR7130355 A FR 7130355A FR 7130355 A FR7130355 A FR 7130355A FR 2104575 A5 FR2104575 A5 FR 2104575A5
Authority
FR
France
Prior art keywords
prodn
nitrogen content
low nitrogen
ferro alloys
low
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
FR7130355A
Other languages
English (en)
French (fr)
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.)
ELEKTROMETALLURGIE GmbH
Original Assignee
ELEKTROMETALLURGIE GmbH
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 ELEKTROMETALLURGIE GmbH filed Critical ELEKTROMETALLURGIE GmbH
Application granted granted Critical
Publication of FR2104575A5 publication Critical patent/FR2104575A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5264—Manufacture of alloyed steels including ferro-alloys
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7130355A 1970-09-04 1971-08-20 Ferro alloys - prodn with low nitrogen content Expired FR2104575A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702043835 DE2043835B2 (de) 1970-09-04 1970-09-04 Vorrichtung zur herstellung von ferrolegierungen und ver fahren zum betrieb der vorrichtung

Publications (1)

Publication Number Publication Date
FR2104575A5 true FR2104575A5 (en) 1972-04-14

Family

ID=5781547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130355A Expired FR2104575A5 (en) 1970-09-04 1971-08-20 Ferro alloys - prodn with low nitrogen content

Country Status (2)

Country Link
DE (1) DE2043835B2 (https=)
FR (1) FR2104575A5 (https=)

Also Published As

Publication number Publication date
DE2043835B2 (de) 1972-03-09
DE2043835A1 (https=) 1972-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse