JPS6468420A - Manufacture of base material for forging - Google Patents

Manufacture of base material for forging

Info

Publication number
JPS6468420A
JPS6468420A JP22611387A JP22611387A JPS6468420A JP S6468420 A JPS6468420 A JP S6468420A JP 22611387 A JP22611387 A JP 22611387A JP 22611387 A JP22611387 A JP 22611387A JP S6468420 A JPS6468420 A JP S6468420A
Authority
JP
Japan
Prior art keywords
forging
billet
stock
base material
dfw
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
JP22611387A
Other languages
Japanese (ja)
Inventor
Hideyuki Oma
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP22611387A priority Critical patent/JPS6468420A/en
Publication of JPS6468420A publication Critical patent/JPS6468420A/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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys

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:To uniformize and refine a structure and to prevent cracking at the time of forging, by continuously casting a molten steel in which DFW value is specified into a billet and then subjecting a stock prepared by hot-rolling the above billet to annealing treatment. CONSTITUTION:A molten steel having a composition in which DFW value determined by the chemical composition in a ladle is regulated to <=-0.8 is continuously cast, by which a billet of martensitic stainless steel stock is prepared. This billet is hot-rolled into a forging stock, and this stock is subjected to annealing treatment so as to be formed into a base material for forging. This forging member has a uniform and fine structure and superior workability and, as a result, this material causes practically no forging crack even if subjected to die forging, etc.
JP22611387A 1987-09-09 1987-09-09 Manufacture of base material for forging Pending JPS6468420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22611387A JPS6468420A (en) 1987-09-09 1987-09-09 Manufacture of base material for forging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22611387A JPS6468420A (en) 1987-09-09 1987-09-09 Manufacture of base material for forging

Publications (1)

Publication Number Publication Date
JPS6468420A true JPS6468420A (en) 1989-03-14

Family

ID=16840040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22611387A Pending JPS6468420A (en) 1987-09-09 1987-09-09 Manufacture of base material for forging

Country Status (1)

Country Link
JP (1) JPS6468420A (en)

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