JPS572837A - Production of steel material of high young's modulus - Google Patents
Production of steel material of high young's modulusInfo
- Publication number
- JPS572837A JPS572837A JP7615580A JP7615580A JPS572837A JP S572837 A JPS572837 A JP S572837A JP 7615580 A JP7615580 A JP 7615580A JP 7615580 A JP7615580 A JP 7615580A JP S572837 A JPS572837 A JP S572837A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- draft
- steels
- modulus
- steel material
- 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
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To easily obtain a steel material of high Young's modulus adapted to automobiles and the like by controlling conditions such as temp. and draft of hot rolling, draft of cold rolling, and the like in rolling specific mild steels and high tensil steels for structural service.
CONSTITUTION: In rolling of mild steels and high tensile steels for structural service of which the Ar3 is ≤780°C, hot rolling is carried out between Ac1 transformation point W1,350°C. In this finish rolling stage, the draft from ≤780°C down to Ar3 is kept at ≥5% the initial thickness and the draft below AR3 is kept at up to 5%. After the end of hot rolling, the steels are cooled to the range from ≤700°C down to ordinary temp. and are cold-rolled at≥2% draft. Further, if necessary, they are subjected to annealing at ≤Alc1+100°C. By this method, the rolled-texture of high rates of aggregation is easily made and the Young's modulus in the direction perpendicular to rolling is improved.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7615580A JPS572837A (en) | 1980-06-06 | 1980-06-06 | Production of steel material of high young's modulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7615580A JPS572837A (en) | 1980-06-06 | 1980-06-06 | Production of steel material of high young's modulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS572837A true JPS572837A (en) | 1982-01-08 |
Family
ID=13597138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7615580A Pending JPS572837A (en) | 1980-06-06 | 1980-06-06 | Production of steel material of high young's modulus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS572837A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62156377A (en) * | 1985-12-27 | 1987-07-11 | 三菱製紙株式会社 | Control of digestion degree in continuous digester |
| JPH04136120A (en) * | 1990-09-26 | 1992-05-11 | Nippon Steel Corp | Production of steel plate for structure purpose having high young's modulus |
-
1980
- 1980-06-06 JP JP7615580A patent/JPS572837A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62156377A (en) * | 1985-12-27 | 1987-07-11 | 三菱製紙株式会社 | Control of digestion degree in continuous digester |
| JPH04136120A (en) * | 1990-09-26 | 1992-05-11 | Nippon Steel Corp | Production of steel plate for structure purpose having high young's modulus |
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