FR1433515A - Process for the production of very low carbon stainless steels - Google Patents

Process for the production of very low carbon stainless steels

Info

Publication number
FR1433515A
FR1433515A FR5920A FR5920A FR1433515A FR 1433515 A FR1433515 A FR 1433515A FR 5920 A FR5920 A FR 5920A FR 5920 A FR5920 A FR 5920A FR 1433515 A FR1433515 A FR 1433515A
Authority
FR
France
Prior art keywords
production
low carbon
stainless steels
carbon stainless
steels
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
FR5920A
Other languages
French (fr)
Inventor
Michel Cadart
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.)
Compagnie des Ateliers et Forges de la Loire SA
Original Assignee
Compagnie des Ateliers et Forges de la Loire SA
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
Priority to FR999892A priority Critical patent/FR1447173A/en
Priority to FR5920A priority patent/FR1433515A/en
Application filed by Compagnie des Ateliers et Forges de la Loire SA filed Critical Compagnie des Ateliers et Forges de la Loire SA
Priority claimed from FR10860A external-priority patent/FR1437673A/en
Priority claimed from FR11923A external-priority patent/FR1455078A/en
Priority to FR14435A priority patent/FR87740E/en
Priority to FR34060A priority patent/FR89230E/en
Priority to GB51039/65A priority patent/GB1134110A/en
Priority to DE19651458835 priority patent/DE1458835A1/en
Priority to JP6579572A priority patent/JPS4947128B1/ja
Priority to AT1162265A priority patent/AT310212B/en
Priority to BE674258A priority patent/BE674258A/en
Priority to ES0321130A priority patent/ES321130A1/en
Publication of FR1433515A publication Critical patent/FR1433515A/en
Application granted granted Critical
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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • 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
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C21D3/04—Decarburising
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1266—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest between cold rolling steps
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
FR5920A 1964-12-24 1965-02-17 Process for the production of very low carbon stainless steels Expired FR1433515A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR999892A FR1447173A (en) 1964-12-24 1964-12-24 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR5920A FR1433515A (en) 1964-12-24 1965-02-17 Process for the production of very low carbon stainless steels
FR14435A FR87740E (en) 1964-12-24 1965-04-23 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR34060A FR89230E (en) 1964-12-24 1965-10-07 Process for manufacturing very low carbon steels, and products obtained
GB51039/65A GB1134110A (en) 1964-12-24 1965-12-01 Methods of manufacturing very low-carbon steels, and products thus obtained
DE19651458835 DE1458835A1 (en) 1964-12-24 1965-12-21 Process for the production of steels with very low carbon content and steels made from them
JP6579572A JPS4947128B1 (en) 1964-12-24 1965-12-22
ES0321130A ES321130A1 (en) 1964-12-24 1965-12-23 Procedure for the manufacture of steels of very low carbon content. (Machine-translation by Google Translate, not legally binding)
AT1162265A AT310212B (en) 1964-12-24 1965-12-23 Process for the production of steels with carbon contents equal to or below 0.006% by decarburizing the liquid steel in a vacuum
BE674258A BE674258A (en) 1964-12-24 1965-12-23 Process for the production of very low carbon stainless steels

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR999892A FR1447173A (en) 1964-12-24 1964-12-24 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR5920A FR1433515A (en) 1964-12-24 1965-02-17 Process for the production of very low carbon stainless steels
FR10860A FR1437673A (en) 1965-03-26 1965-03-26 Method of manufacturing steel products for magnetic uses without preferential crystalline orientation
FR11923A FR1455078A (en) 1965-04-05 1965-04-05 Manufacturing process of very low carbon steels and products obtained
FR14435A FR87740E (en) 1964-12-24 1965-04-23 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR34060A FR89230E (en) 1964-12-24 1965-10-07 Process for manufacturing very low carbon steels, and products obtained

Publications (1)

Publication Number Publication Date
FR1433515A true FR1433515A (en) 1966-04-01

Family

ID=27545981

Family Applications (4)

Application Number Title Priority Date Filing Date
FR999892A Expired FR1447173A (en) 1964-12-24 1964-12-24 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR5920A Expired FR1433515A (en) 1964-12-24 1965-02-17 Process for the production of very low carbon stainless steels
FR14435A Expired FR87740E (en) 1964-12-24 1965-04-23 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR34060A Expired FR89230E (en) 1964-12-24 1965-10-07 Process for manufacturing very low carbon steels, and products obtained

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR999892A Expired FR1447173A (en) 1964-12-24 1964-12-24 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR14435A Expired FR87740E (en) 1964-12-24 1965-04-23 Process for manufacturing steel products for magnetic uses having a strong preferential crystalline orientation
FR34060A Expired FR89230E (en) 1964-12-24 1965-10-07 Process for manufacturing very low carbon steels, and products obtained

Country Status (6)

Country Link
JP (1) JPS4947128B1 (en)
AT (1) AT310212B (en)
BE (1) BE674258A (en)
DE (1) DE1458835A1 (en)
FR (4) FR1447173A (en)
GB (1) GB1134110A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983000878A1 (en) * 1981-08-28 1983-03-17 Nippon Steel Corp Process for manufacturing steel for isotropic silicon steel plate

Also Published As

Publication number Publication date
FR1447173A (en) 1966-07-29
JPS4947128B1 (en) 1974-12-13
AT310212B (en) 1973-09-25
BE674258A (en) 1966-06-23
GB1134110A (en) 1968-11-20
DE1458835A1 (en) 1970-08-06
FR89230E (en) 1967-05-26
FR87740E (en) 1966-07-22

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