CA1041879A - Processing for high permeability silicon steel - Google Patents

Processing for high permeability silicon steel

Info

Publication number
CA1041879A
CA1041879A CA235,675A CA235675A CA1041879A CA 1041879 A CA1041879 A CA 1041879A CA 235675 A CA235675 A CA 235675A CA 1041879 A CA1041879 A CA 1041879A
Authority
CA
Canada
Prior art keywords
steel
temperature
process according
cooled
final
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
CA235,675A
Other languages
English (en)
French (fr)
Inventor
Frank A. Malagari (Jr.)
James A. Salsgiver
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.)
Allegheny Ludlum Corp
Original Assignee
Allegheny Ludlum Corp
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 Allegheny Ludlum Corp filed Critical Allegheny Ludlum Corp
Application granted granted Critical
Publication of CA1041879A publication Critical patent/CA1041879A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21D8/1233—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
    • C21D8/1261—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 following hot rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
CA235,675A 1974-11-18 1975-09-17 Processing for high permeability silicon steel Expired CA1041879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US524846A US3929522A (en) 1974-11-18 1974-11-18 Process involving cooling in a static atmosphere for high permeability silicon steel comprising copper

Publications (1)

Publication Number Publication Date
CA1041879A true CA1041879A (en) 1978-11-07

Family

ID=24090895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,675A Expired CA1041879A (en) 1974-11-18 1975-09-17 Processing for high permeability silicon steel

Country Status (14)

Country Link
US (1) US3929522A (pl)
JP (1) JPS5843444B2 (pl)
AR (1) AR208730A1 (pl)
BE (1) BE834876A (pl)
CA (1) CA1041879A (pl)
DE (1) DE2550426A1 (pl)
ES (1) ES441705A1 (pl)
FR (1) FR2291276A1 (pl)
GB (1) GB1478739A (pl)
IN (1) IN143003B (pl)
IT (1) IT1047747B (pl)
PL (1) PL106073B1 (pl)
SE (1) SE414949B (pl)
YU (1) YU291375A (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1558621A (en) * 1975-07-05 1980-01-09 Zaidan Hojin Denki Jiki Zairyo High dumping capacity alloy
US4054470A (en) * 1976-06-17 1977-10-18 Allegheny Ludlum Industries, Inc. Boron and copper bearing silicon steel and processing therefore
US4174235A (en) * 1978-01-09 1979-11-13 General Electric Company Product and method of producing silicon-iron sheet material employing antimony
US4113529A (en) * 1977-09-29 1978-09-12 General Electric Company Method of producing silicon-iron sheet material with copper as a partial substitute for sulfur, and product
US4177091A (en) * 1978-08-16 1979-12-04 General Electric Company Method of producing silicon-iron sheet material, and product
JPS57145963A (en) * 1981-03-04 1982-09-09 Hitachi Metals Ltd Material for magnetic head and its manufacture
JPS6048886B2 (ja) * 1981-08-05 1985-10-30 新日本製鐵株式会社 鉄損の優れた高磁束密度一方向性電磁鋼板及びその製造方法
JPH01159859U (pl) * 1988-04-28 1989-11-06
US5078808A (en) † 1990-07-09 1992-01-07 Armco Inc. Method of making regular grain oriented silicon steel without a hot band anneal
DE69128624T3 (de) † 1991-10-21 2002-05-29 Armco Inc Verfahren zum Herstellen von normal kornorientiertem Stahl mit hohem Silizium- und niedrigem Kohlenstoffgehalt

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287184A (en) * 1963-10-22 1966-11-22 Bethlehem Steel Corp Method of producing low carbon electrical sheet steel
FR2007129A1 (pl) * 1968-04-27 1970-01-02 Yawata Iron & Steel Co
US3671337A (en) * 1969-02-21 1972-06-20 Nippon Steel Corp Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics
BE790798A (fr) * 1971-11-04 1973-02-15 Armco Steel Corp Procédé de fabrication de fer au silicium à orientation cube-sur-arete à partir de brames coulées
US3770517A (en) * 1972-03-06 1973-11-06 Allegheny Ludlum Ind Inc Method of producing substantially non-oriented silicon steel strip by three-stage cold rolling
US3855018A (en) * 1972-09-28 1974-12-17 Allegheny Ludlum Ind Inc Method for producing grain oriented silicon steel comprising copper
US3873381A (en) * 1973-03-01 1975-03-25 Armco Steel Corp High permeability cube-on-edge oriented silicon steel and method of making it
US3855019A (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
US3855020A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
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

Also Published As

Publication number Publication date
SE7512968L (sv) 1976-05-19
AR208730A1 (es) 1977-02-28
YU291375A (en) 1982-02-28
GB1478739A (en) 1977-07-06
AU8499875A (en) 1977-03-24
FR2291276B1 (pl) 1981-08-28
PL106073B1 (pl) 1979-11-30
JPS5173922A (pl) 1976-06-26
FR2291276A1 (fr) 1976-06-11
DE2550426A1 (de) 1976-05-20
JPS5843444B2 (ja) 1983-09-27
US3929522A (en) 1975-12-30
DE2550426C2 (pl) 1987-12-23
IN143003B (pl) 1977-09-17
IT1047747B (it) 1980-10-20
ES441705A1 (es) 1977-04-01
BE834876A (fr) 1976-02-16
SE414949B (sv) 1980-08-25

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