GB1293467A - Process for producing grain oriented electromagnetic steel sheets - Google Patents

Process for producing grain oriented electromagnetic steel sheets

Info

Publication number
GB1293467A
GB1293467A GB8262/70A GB826270A GB1293467A GB 1293467 A GB1293467 A GB 1293467A GB 8262/70 A GB8262/70 A GB 8262/70A GB 826270 A GB826270 A GB 826270A GB 1293467 A GB1293467 A GB 1293467A
Authority
GB
United Kingdom
Prior art keywords
steel sheets
electromagnetic steel
grain oriented
oriented electromagnetic
producing grain
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
GB8262/70A
Inventor
Ko Kumai
Minoru Motoyoshi
Kiyoshi Tanaka
Yasuhiro Hagiwara
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.)
Fuji Iron and Steel Co Ltd
Original Assignee
Fuji Iron and Steel Co Ltd
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 Fuji Iron and Steel Co Ltd filed Critical Fuji Iron and Steel Co Ltd
Publication of GB1293467A publication Critical patent/GB1293467A/en
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
    • 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
    • C21D8/1222—Hot 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Abstract

1293467 Making plates; altering physical properties FUJI IRON & STEEL CO Ltd 20 Feb 1970 [21 Feb 1969] 8262/70 Headings B3A and B3V [Also in Division C7] A slab of steel containing in percentage by weight:- Si less than 4 Al 0À005-0À04 S 0À01-0À03 N at least 0À004 Mn such that the product of Mn and S contents is 0À0002 to 0À0011 is heated to 1150-1280‹ C., hot rolled, cold rolled in two stages with an intermediate anneal (e.g. at 800-900‹ C.), decarburized (e.g. at 750-950‹ C. in wet hydrogen) and finally annealed (e.g. 1100-1200‹ C. in hydrogen).
GB8262/70A 1969-02-21 1970-02-20 Process for producing grain oriented electromagnetic steel sheets Expired GB1293467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1307469 1969-02-21

Publications (1)

Publication Number Publication Date
GB1293467A true GB1293467A (en) 1972-10-18

Family

ID=11822988

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8262/70A Expired GB1293467A (en) 1969-02-21 1970-02-20 Process for producing grain oriented electromagnetic steel sheets

Country Status (2)

Country Link
US (1) US3671337A (en)
GB (1) GB1293467A (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA920036A (en) * 1968-04-02 1973-01-30 Sakakura Akira Process for producing single-oriented magnetic steel sheets having a very high magnetic induction
DE2024525B1 (en) * 1970-05-11 1971-12-30 Mannesmann Ag Process for the production of intermediate products from iron-silicon alloys with 4.5 to 7.5% by weight silicon, which are sufficiently ductile for cold working
US3948691A (en) * 1970-09-26 1976-04-06 Nippon Steel Corporation Method for manufacturing cold rolled, non-directional electrical steel sheets and strips having a high magnetic flux density
US3935038A (en) * 1971-10-28 1976-01-27 Nippon Steel Corporation Method for manufacturing non-oriented electrical steel sheet and strip having no ridging
JPS5218647B2 (en) * 1971-12-03 1977-05-23
US3833431A (en) * 1971-12-09 1974-09-03 Westinghouse Electric Corp Process for continuously annealed silicon steel using tension-producing glass
US3873380A (en) * 1972-02-11 1975-03-25 Allegheny Ludlum Ind Inc Process for making copper-containing oriented silicon steel
JPS4894618A (en) * 1972-03-15 1973-12-05
US3976518A (en) * 1972-07-10 1976-08-24 Nippon Steel Corporation Process for producing grain-oriented electric steel sheets having remarkably improved magnetic flux density
US3855018A (en) * 1972-09-28 1974-12-17 Allegheny Ludlum Ind Inc Method for producing grain oriented silicon steel comprising copper
JPS5037134B2 (en) * 1972-10-11 1975-12-01
JPS4976719A (en) * 1972-11-28 1974-07-24
US3855020A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
US3855021A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
US3855019A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
YU36756B (en) * 1973-07-23 1984-08-31 Centro Speriment Metallurg Method of manufacturing unidirectional plates of silicon steel with a high magnetic induction
AT339940B (en) * 1973-11-05 1977-11-10 Voest Ag PROCESS FOR MANUFACTURING COLD-ROLLED SILICON ALLOY ELECTRIC SHEETS
JPS5644135B2 (en) * 1974-02-28 1981-10-17
US3986902A (en) * 1974-05-22 1976-10-19 United States Steel Corporation Silicon steel suitable for production of oriented silicon steel using low slab reheat temperature
US3925115A (en) * 1974-11-18 1975-12-09 Allegheny Ludlum Ind Inc Process employing cooling in a static atmosphere for high permeability silicon steel comprising copper
US3929522A (en) * 1974-11-18 1975-12-30 Allegheny Ludlum Ind Inc Process involving cooling in a static atmosphere for high permeability silicon steel comprising copper
US4171994A (en) * 1975-02-13 1979-10-23 Allegheny Ludlum Industries, Inc. Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
IT1041114B (en) * 1975-08-01 1980-01-10 Centro Speriment Metallurg PROCEDURE FOR THE PRODUCTION OF SILICON STEEL TAPES FOR MAGNETIC USE
US4202711A (en) * 1978-10-18 1980-05-13 Armco, Incl. Process for producing oriented silicon iron from strand cast slabs
SE8107844L (en) * 1981-03-19 1982-09-20 Allegheny Ludlum Steel SET TO MAKE CORNORIENTED SILICONE
JPS58100627A (en) * 1981-12-11 1983-06-15 Nippon Steel Corp Manufacture of directional electrical sheet
JPS5956522A (en) * 1982-09-24 1984-04-02 Nippon Steel Corp Manufacture of anisotropic electrical steel plate with improved iron loss
JPS5956523A (en) * 1982-09-24 1984-04-02 Nippon Steel Corp Manufacture of anisotropic silicon steel plate having high magnetic flux density
GB2130241B (en) * 1982-09-24 1986-01-15 Nippon Steel Corp Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density
JP2782086B2 (en) * 1989-05-29 1998-07-30 新日本製鐵株式会社 Manufacturing method of grain-oriented electrical steel sheet with excellent magnetic and film properties
US5507883A (en) * 1992-06-26 1996-04-16 Nippon Steel Corporation Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same
DE69332394T2 (en) * 1992-07-02 2003-06-12 Nippon Steel Corp Grain-oriented electrical sheet with high flux density and low iron losses and manufacturing processes
US5288736A (en) * 1992-11-12 1994-02-22 Armco Inc. Method for producing regular grain oriented electrical steel using a single stage cold reduction
FR2731713B1 (en) * 1995-03-14 1997-04-11 Ugine Sa PROCESS FOR THE MANUFACTURE OF A SHEET OF ELECTRIC STEEL WITH ORIENTED GRAINS FOR THE PRODUCTION OF MAGNETIC TRANSFORMER CIRCUITS IN PARTICULAR
IT1290978B1 (en) * 1997-03-14 1998-12-14 Acciai Speciali Terni Spa PROCEDURE FOR CHECKING THE INHIBITION IN THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEET

Also Published As

Publication number Publication date
US3671337A (en) 1972-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee