JPS5375114A - Manufacture of structural steel - Google Patents
Manufacture of structural steelInfo
- Publication number
- JPS5375114A JPS5375114A JP15075476A JP15075476A JPS5375114A JP S5375114 A JPS5375114 A JP S5375114A JP 15075476 A JP15075476 A JP 15075476A JP 15075476 A JP15075476 A JP 15075476A JP S5375114 A JPS5375114 A JP S5375114A
- Authority
- JP
- Japan
- Prior art keywords
- structural steel
- manufacture
- temp
- transformation
- pearlite
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
PURPOSE: To obtain structural steel of excellent strength and toughness having fine grain ferrite-pearlite or bainite structure by rapidly cooling hot rolled steel to optimum transformation temp. corresponding to a desired strength level and keeping it at the temp. followed by isothermal transformation.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15075476A JPS5375114A (en) | 1976-12-17 | 1976-12-17 | Manufacture of structural steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15075476A JPS5375114A (en) | 1976-12-17 | 1976-12-17 | Manufacture of structural steel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5375114A true JPS5375114A (en) | 1978-07-04 |
JPS571569B2 JPS571569B2 (en) | 1982-01-12 |
Family
ID=15503675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15075476A Granted JPS5375114A (en) | 1976-12-17 | 1976-12-17 | Manufacture of structural steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5375114A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741354A (en) * | 1980-08-27 | 1982-03-08 | Daido Steel Co Ltd | Superhigh strength steel |
US4474627A (en) * | 1982-04-22 | 1984-10-02 | Ugine Aciers | Method of manufacturing steel bars and tubes with good mechanical characteristics |
JPS59197545A (en) * | 1983-04-20 | 1984-11-09 | Sumitomo Metal Ind Ltd | High strength and high toughness steel for railroad rolling stock |
JPH03140441A (en) * | 1989-10-26 | 1991-06-14 | Mannesmann Ag | Steel pipe material for reinforcing automobile door |
JPH0693332A (en) * | 1992-09-11 | 1994-04-05 | Sumitomo Metal Ind Ltd | Production of high tensile strength and high toughness fine bainitic steel |
JP2016008349A (en) * | 2014-06-26 | 2016-01-18 | 新日鐵住金株式会社 | High-strength steel material and production method thereof |
-
1976
- 1976-12-17 JP JP15075476A patent/JPS5375114A/en active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741354A (en) * | 1980-08-27 | 1982-03-08 | Daido Steel Co Ltd | Superhigh strength steel |
US4474627A (en) * | 1982-04-22 | 1984-10-02 | Ugine Aciers | Method of manufacturing steel bars and tubes with good mechanical characteristics |
JPS59197545A (en) * | 1983-04-20 | 1984-11-09 | Sumitomo Metal Ind Ltd | High strength and high toughness steel for railroad rolling stock |
JPH057454B2 (en) * | 1983-04-20 | 1993-01-28 | Sumitomo Metal Ind | |
JPH03140441A (en) * | 1989-10-26 | 1991-06-14 | Mannesmann Ag | Steel pipe material for reinforcing automobile door |
JPH0693332A (en) * | 1992-09-11 | 1994-04-05 | Sumitomo Metal Ind Ltd | Production of high tensile strength and high toughness fine bainitic steel |
JP2016008349A (en) * | 2014-06-26 | 2016-01-18 | 新日鐵住金株式会社 | High-strength steel material and production method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS571569B2 (en) | 1982-01-12 |
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