JPS6479361A - Production of high carbon steel sheet having satisfactory adhesion of scale - Google Patents
Production of high carbon steel sheet having satisfactory adhesion of scaleInfo
- Publication number
- JPS6479361A JPS6479361A JP23844487A JP23844487A JPS6479361A JP S6479361 A JPS6479361 A JP S6479361A JP 23844487 A JP23844487 A JP 23844487A JP 23844487 A JP23844487 A JP 23844487A JP S6479361 A JPS6479361 A JP S6479361A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- scale
- high carbon
- carbon steel
- blackened
- 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 Strip Materials And Filament Materials (AREA)
Abstract
PURPOSE:To improve the adhesion of blackened scale formed on a high carbon steel sheet by pretreating the steel sheet having a specified Si content to increase the concn. of Si on the surface and by subjecting the steel sheet to heat treatment for forming blackened scale. CONSTITUTION:A cold rolled steel sheet or a polished special steel sheet contg. 0.35-1.00% C and >=0.15% Si is used as starting material. This high carbon steel sheet is treated by electrolytic degreasing in an electrolytic soln. contg. silicic acid, or annealing to increase the concn. of Si in the surface of the steel sheet. The pretreated steel sheet is heat-treated in a special atmosphere to form blackened scale. The adhesion of the blackened scale formed on the high carbon steel sheet and the corrosion and wear resistance of this sheet are improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23844487A JPS6479361A (en) | 1987-09-21 | 1987-09-21 | Production of high carbon steel sheet having satisfactory adhesion of scale |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23844487A JPS6479361A (en) | 1987-09-21 | 1987-09-21 | Production of high carbon steel sheet having satisfactory adhesion of scale |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6479361A true JPS6479361A (en) | 1989-03-24 |
Family
ID=17030312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23844487A Pending JPS6479361A (en) | 1987-09-21 | 1987-09-21 | Production of high carbon steel sheet having satisfactory adhesion of scale |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6479361A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5108937A (en) * | 1991-02-01 | 1992-04-28 | Taiwan Semiconductor Manufacturing Company | Method of making a recessed gate MOSFET device structure |
JP2007113108A (en) * | 2005-09-21 | 2007-05-10 | Jfe Steel Kk | Cold rolled steel sheet, and its manufacturing method |
-
1987
- 1987-09-21 JP JP23844487A patent/JPS6479361A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5108937A (en) * | 1991-02-01 | 1992-04-28 | Taiwan Semiconductor Manufacturing Company | Method of making a recessed gate MOSFET device structure |
JP2007113108A (en) * | 2005-09-21 | 2007-05-10 | Jfe Steel Kk | Cold rolled steel sheet, and its manufacturing method |
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