FR514773A - Electrothermal process for producing cast iron and steel using pyrite residues - Google Patents

Electrothermal process for producing cast iron and steel using pyrite residues

Info

Publication number
FR514773A
FR514773A FR514773A FR514773DA FR514773A FR 514773 A FR514773 A FR 514773A FR 514773 A FR514773 A FR 514773A FR 514773D A FR514773D A FR 514773DA FR 514773 A FR514773 A FR 514773A
Authority
FR
France
Prior art keywords
steel
cast iron
producing cast
electrothermal process
pyrite residues
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
FR514773A
Other languages
French (fr)
Inventor
Marcel-Pierre-Stanis Guedras
Luigi Duina
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.)
MARCEL PIERRE STANISLAS GUEDRA
Original Assignee
MARCEL PIERRE STANISLAS GUEDRA
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 MARCEL PIERRE STANISLAS GUEDRA filed Critical MARCEL PIERRE STANISLAS GUEDRA
Application granted granted Critical
Publication of FR514773A publication Critical patent/FR514773A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/008Use of special additives or fluxing agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR514773A 1920-03-13 1920-04-30 Electrothermal process for producing cast iron and steel using pyrite residues Expired FR514773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT514773X 1920-03-13

Publications (1)

Publication Number Publication Date
FR514773A true FR514773A (en) 1921-03-18

Family

ID=11275120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514773A Expired FR514773A (en) 1920-03-13 1920-04-30 Electrothermal process for producing cast iron and steel using pyrite residues

Country Status (1)

Country Link
FR (1) FR514773A (en)

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FR514773A (en) Electrothermal process for producing cast iron and steel using pyrite residues
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