JPS5294816A - Cooling and its apparatus of steel material - Google Patents

Cooling and its apparatus of steel material

Info

Publication number
JPS5294816A
JPS5294816A JP1085776A JP1085776A JPS5294816A JP S5294816 A JPS5294816 A JP S5294816A JP 1085776 A JP1085776 A JP 1085776A JP 1085776 A JP1085776 A JP 1085776A JP S5294816 A JPS5294816 A JP S5294816A
Authority
JP
Japan
Prior art keywords
cooling
steel material
iwth
toughness
cooled
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
JP1085776A
Other languages
Japanese (ja)
Inventor
Hachiro Yokoi
Akinobu Kumano
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
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP1085776A priority Critical patent/JPS5294816A/en
Publication of JPS5294816A publication Critical patent/JPS5294816A/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
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray 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)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

PURPOSE:In the cooling of steel material, it is cooled iwth water jet of fog drop in micron size. Cooler degree is thus regulated over wide range and desired strength, toughness are ensured easily without the change in chemical composition.
JP1085776A 1976-02-05 1976-02-05 Cooling and its apparatus of steel material Pending JPS5294816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1085776A JPS5294816A (en) 1976-02-05 1976-02-05 Cooling and its apparatus of steel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1085776A JPS5294816A (en) 1976-02-05 1976-02-05 Cooling and its apparatus of steel material

Publications (1)

Publication Number Publication Date
JPS5294816A true JPS5294816A (en) 1977-08-09

Family

ID=11762014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1085776A Pending JPS5294816A (en) 1976-02-05 1976-02-05 Cooling and its apparatus of steel material

Country Status (1)

Country Link
JP (1) JPS5294816A (en)

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