JPS5263105A - Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet - Google Patents

Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet

Info

Publication number
JPS5263105A
JPS5263105A JP13866175A JP13866175A JPS5263105A JP S5263105 A JPS5263105 A JP S5263105A JP 13866175 A JP13866175 A JP 13866175A JP 13866175 A JP13866175 A JP 13866175A JP S5263105 A JPS5263105 A JP S5263105A
Authority
JP
Japan
Prior art keywords
corner part
square
steel billet
aped
hot rolling
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
JP13866175A
Other languages
Japanese (ja)
Other versions
JPS5530572B2 (en
Inventor
Hideo Kiyotoo
Haruo Ito
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.)
AIKOO KK
Aikoh Co Ltd
Nippon Steel Corp
Original Assignee
AIKOO KK
Aikoh Co Ltd
Sumitomo Metal Industries 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 AIKOO KK, Aikoh Co Ltd, Sumitomo Metal Industries Ltd filed Critical AIKOO KK
Priority to JP13866175A priority Critical patent/JPS5263105A/en
Publication of JPS5263105A publication Critical patent/JPS5263105A/en
Publication of JPS5530572B2 publication Critical patent/JPS5530572B2/ja
Granted 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)

Abstract

PURPOSE:To prevent the generation of flaws at the part corresponding to the corner part at rolling, by applying a coating agent having heat insulating property and gas intercepting property in advance on the corner part of the steel billet, when the square-shaped billet is heated in the soaking pit for rolling.
JP13866175A 1975-11-20 1975-11-20 Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet Granted JPS5263105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13866175A JPS5263105A (en) 1975-11-20 1975-11-20 Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13866175A JPS5263105A (en) 1975-11-20 1975-11-20 Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet

Publications (2)

Publication Number Publication Date
JPS5263105A true JPS5263105A (en) 1977-05-25
JPS5530572B2 JPS5530572B2 (en) 1980-08-12

Family

ID=15227174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13866175A Granted JPS5263105A (en) 1975-11-20 1975-11-20 Method for preventing flaws by hot rolling at corner part of square-sh aped steel billet

Country Status (1)

Country Link
JP (1) JPS5263105A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569323A (en) * 1979-07-04 1981-01-30 Kawasaki Steel Corp Heating of material to be heated such as steels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569323A (en) * 1979-07-04 1981-01-30 Kawasaki Steel Corp Heating of material to be heated such as steels

Also Published As

Publication number Publication date
JPS5530572B2 (en) 1980-08-12

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