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.)
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR486247ApublicationCriticalpatent/FR486247A/fr
C21B13/00—Making spongy iron or liquid steel, by direct processes
C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
C21B13/146—Multi-step reduction without melting
C—CHEMISTRY; METALLURGY
C21—METALLURGY OF IRON
C21B—MANUFACTURE OF IRON OR STEEL
C21B13/00—Making spongy iron or liquid steel, by direct processes
C21B13/008—Use 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)
FR486247D1916-09-121916-09-12Traitement direct des minerais de fer pour produire de l'acier ou du fer marchand brut sans passer par la fonte
ExpiredFR486247A
(fr)
Procédé pour le traitement métallurgique de grains colithiques extraits des minettes, ainsi que d'autres minerais pulvérulents, ou minerais impalpables à forte teneur en fer