EP0411356A3 - Method of hot rolling continuously cast grain-oriented electrical steel slab - Google Patents

Method of hot rolling continuously cast grain-oriented electrical steel slab Download PDF

Info

Publication number
EP0411356A3
EP0411356A3 EP19900113249 EP90113249A EP0411356A3 EP 0411356 A3 EP0411356 A3 EP 0411356A3 EP 19900113249 EP19900113249 EP 19900113249 EP 90113249 A EP90113249 A EP 90113249A EP 0411356 A3 EP0411356 A3 EP 0411356A3
Authority
EP
European Patent Office
Prior art keywords
hot rolling
electrical steel
oriented electrical
steel slab
continuously cast
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.)
Granted
Application number
EP19900113249
Other versions
EP0411356B1 (en
EP0411356A2 (en
Inventor
Kishio C/O Nippon Steel Corporation Mochinaga
Kiyokazu C/O Nippon Steel Corporation Ichimura
Shinji C/O Nippon Steel Corporation Shibao
Syuji C/O Nippon Steel Corporation Kitahara
Shiro C/O Nippon Steel Corporation Ichikawa
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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
Priority claimed from JP15102690A external-priority patent/JPH0713268B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0411356A2 publication Critical patent/EP0411356A2/en
Publication of EP0411356A3 publication Critical patent/EP0411356A3/en
Application granted granted Critical
Publication of EP0411356B1 publication Critical patent/EP0411356B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21D8/1216—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
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Metal Rolling (AREA)
EP90113249A 1989-07-12 1990-07-11 Method of hot rolling continuously cast grain-oriented electrical steel slab Expired - Lifetime EP0411356B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP179659/89 1989-07-12
JP17965989 1989-07-12
JP151026/90 1990-06-08
JP15102690A JPH0713268B2 (en) 1989-07-12 1990-06-08 Hot Rolling Method for Continuously Cast Unidirectional Electrical Steel Slab

Publications (3)

Publication Number Publication Date
EP0411356A2 EP0411356A2 (en) 1991-02-06
EP0411356A3 true EP0411356A3 (en) 1992-09-30
EP0411356B1 EP0411356B1 (en) 1995-11-02

Family

ID=26480423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113249A Expired - Lifetime EP0411356B1 (en) 1989-07-12 1990-07-11 Method of hot rolling continuously cast grain-oriented electrical steel slab

Country Status (3)

Country Link
EP (1) EP0411356B1 (en)
CA (1) CA2020933C (en)
DE (1) DE69023291T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311150C1 (en) * 1993-04-05 1993-12-23 Thyssen Stahl Ag Preheating concast slab in two stages prior to hot rolling - to prevent edge cracking in final strip
DE102008029581A1 (en) 2007-07-21 2009-01-22 Sms Demag Ag Method and apparatus for making strips of silicon or multi-phase steel
AT507475B1 (en) * 2008-10-17 2010-08-15 Siemens Vai Metals Tech Gmbh METHOD AND DEVICE FOR PRODUCING HOT-ROLLED SILICON STEEL ROLLING MATERIAL
ITRM20110528A1 (en) 2011-10-05 2013-04-06 Ct Sviluppo Materiali Spa PROCEDURE FOR THE PRODUCTION OF MAGNETIC SHEET WITH ORIENTED GRAIN AND HIGH DEGREE OF COLD REDUCTION.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764406A (en) * 1971-11-04 1973-10-09 Armco Steel Corp Hot working method of producing cubeon edge oriented silicon iron from cast slabs
US4204891A (en) * 1978-11-27 1980-05-27 Nippon Steel Corporation Method for preventing the edge crack in a grain oriented silicon steel sheet produced from a continuously cast steel slab
EP0150909A2 (en) * 1984-01-09 1985-08-07 Kawasaki Steel Corporation Method of manufacturing grain-oriented silicon steel sheets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5942561B2 (en) * 1980-02-13 1984-10-16 新日本製鐵株式会社 Hot rolling method
JPH0699751B2 (en) * 1985-12-03 1994-12-07 川崎製鉄株式会社 Method for producing grain-oriented silicon steel sheet having good electromagnetic characteristics

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764406A (en) * 1971-11-04 1973-10-09 Armco Steel Corp Hot working method of producing cubeon edge oriented silicon iron from cast slabs
US4204891A (en) * 1978-11-27 1980-05-27 Nippon Steel Corporation Method for preventing the edge crack in a grain oriented silicon steel sheet produced from a continuously cast steel slab
EP0150909A2 (en) * 1984-01-09 1985-08-07 Kawasaki Steel Corporation Method of manufacturing grain-oriented silicon steel sheets

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 357 (C-458)20 November 1987; & JP-A-62 130 217 ( KAWASAKI STEEL ) 12 June 1987 *
PATENT ABSTRACTS OF JAPAN vol. 5, no. 193 (M-101)9 December 1981 ; & JP-A-56 114 501 ( NIPPON STEEL ) 9 September 1981 *

Also Published As

Publication number Publication date
CA2020933C (en) 1993-12-21
DE69023291D1 (en) 1995-12-07
EP0411356B1 (en) 1995-11-02
EP0411356A2 (en) 1991-02-06
CA2020933A1 (en) 1991-01-13
DE69023291T2 (en) 1996-04-04

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