JPS6468420A - Manufacture of base material for forging - Google Patents
Manufacture of base material for forgingInfo
- 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
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.
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) |
-
1987
- 1987-09-09 JP JP22611387A patent/JPS6468420A/en active Pending
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