JPS5558328A - Production of cold rolled steel plate and surface treated type steel plate - Google Patents
Production of cold rolled steel plate and surface treated type steel plateInfo
- Publication number
- JPS5558328A JPS5558328A JP13002378A JP13002378A JPS5558328A JP S5558328 A JPS5558328 A JP S5558328A JP 13002378 A JP13002378 A JP 13002378A JP 13002378 A JP13002378 A JP 13002378A JP S5558328 A JPS5558328 A JP S5558328A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- deposition
- cold rolled
- aluminum killed
- production
- 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 Sheet Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To reduce deposition of sulfides and produce the mild steel plate suited for press working without hampering the growth of crystal grains by subjecting the aluminum killed steel added with rare earth elements (REM) to short-time continuous annealing at a relatively low temperature.
CONSTITUTION: The aluminum killed steel containing C; 0.02W0.06%, Mn; <0.4%, S; 0.003W0.018%, Al, 0.02W0.20%, 0.7<REM/S<5 is treated like this: This aluminum killed steel undergoes coiling after hot rolling at 550W 720°C and this is pickled and cold rolled and is thence subjected to continuous annealing at temperatures of 600W900°C. Here, there is a tendency for degradation of deposition of AlN owing to the low temperature coiling of the hot rolled coil, and therefore if the deposition of BN is achieved by adding B; 0.001W0.006% in order to eliminate the problem of aging by N, the mild steel plate is obtained further stably.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13002378A JPS5558328A (en) | 1978-10-24 | 1978-10-24 | Production of cold rolled steel plate and surface treated type steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13002378A JPS5558328A (en) | 1978-10-24 | 1978-10-24 | Production of cold rolled steel plate and surface treated type steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5558328A true JPS5558328A (en) | 1980-05-01 |
Family
ID=15024245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13002378A Pending JPS5558328A (en) | 1978-10-24 | 1978-10-24 | Production of cold rolled steel plate and surface treated type steel plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5558328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116729A (en) * | 1981-01-13 | 1982-07-20 | Nippon Kokan Kk <Nkk> | Production of cold rolled steel plate of superior workability |
-
1978
- 1978-10-24 JP JP13002378A patent/JPS5558328A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116729A (en) * | 1981-01-13 | 1982-07-20 | Nippon Kokan Kk <Nkk> | Production of cold rolled steel plate of superior workability |
| JPS6043416B2 (en) * | 1981-01-13 | 1985-09-27 | 日本鋼管株式会社 | Method for producing cold-rolled steel sheets with excellent workability |
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