JPS5237512A - Heat treatment method to improve toughness of steel - Google Patents

Heat treatment method to improve toughness of steel

Info

Publication number
JPS5237512A
JPS5237512A JP11369675A JP11369675A JPS5237512A JP S5237512 A JPS5237512 A JP S5237512A JP 11369675 A JP11369675 A JP 11369675A JP 11369675 A JP11369675 A JP 11369675A JP S5237512 A JPS5237512 A JP S5237512A
Authority
JP
Japan
Prior art keywords
heat treatment
treatment method
steel
improve toughness
toughness
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.)
Pending
Application number
JP11369675A
Other languages
Japanese (ja)
Inventor
Akiomi Kono
Yoshiaki Ibaraki
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP11369675A priority Critical patent/JPS5237512A/en
Publication of JPS5237512A publication Critical patent/JPS5237512A/en
Pending 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
    • C21D1/78—Combined heat-treatments not provided for above
    • C21D1/785—Thermocycling

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)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

PURPOSE:A heat treatment method to improve toughness of by uniformly and simply heating even the inner part of large steel products.
JP11369675A 1975-09-22 1975-09-22 Heat treatment method to improve toughness of steel Pending JPS5237512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11369675A JPS5237512A (en) 1975-09-22 1975-09-22 Heat treatment method to improve toughness of steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11369675A JPS5237512A (en) 1975-09-22 1975-09-22 Heat treatment method to improve toughness of steel

Publications (1)

Publication Number Publication Date
JPS5237512A true JPS5237512A (en) 1977-03-23

Family

ID=14618850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11369675A Pending JPS5237512A (en) 1975-09-22 1975-09-22 Heat treatment method to improve toughness of steel

Country Status (1)

Country Link
JP (1) JPS5237512A (en)

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