JPS5277816A - Production of martesitic stainless steel cast steel - Google Patents

Production of martesitic stainless steel cast steel

Info

Publication number
JPS5277816A
JPS5277816A JP15450075A JP15450075A JPS5277816A JP S5277816 A JPS5277816 A JP S5277816A JP 15450075 A JP15450075 A JP 15450075A JP 15450075 A JP15450075 A JP 15450075A JP S5277816 A JPS5277816 A JP S5277816A
Authority
JP
Japan
Prior art keywords
martesitic
production
steel
cast steel
stainless steel
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
JP15450075A
Other languages
Japanese (ja)
Inventor
Minoru Morikawa
Shiro Iijima
Teruo Hirane
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP15450075A priority Critical patent/JPS5277816A/en
Publication of JPS5277816A publication Critical patent/JPS5277816A/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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni

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 Steel (AREA)

Abstract

PURPOSE:The delta phase region immediate below the solidus line temperature of the captioned cast steel is slow cooled or heated and held in that state, then the delta phase and UPSILON phase coexistence region temperature section is quenched at a specific cooling rate, whereby microscopic segregation is reduced without casuing coarsening of crystal grains.
JP15450075A 1975-12-24 1975-12-24 Production of martesitic stainless steel cast steel Pending JPS5277816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15450075A JPS5277816A (en) 1975-12-24 1975-12-24 Production of martesitic stainless steel cast steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15450075A JPS5277816A (en) 1975-12-24 1975-12-24 Production of martesitic stainless steel cast steel

Publications (1)

Publication Number Publication Date
JPS5277816A true JPS5277816A (en) 1977-06-30

Family

ID=15585590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15450075A Pending JPS5277816A (en) 1975-12-24 1975-12-24 Production of martesitic stainless steel cast steel

Country Status (1)

Country Link
JP (1) JPS5277816A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738301A (en) * 1984-02-10 1988-04-19 Nippon Steel Corporation Method for mitigating solidification segregation of steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738301A (en) * 1984-02-10 1988-04-19 Nippon Steel Corporation Method for mitigating solidification segregation of steel

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