JPS56136956A - Cold rolled steel plate having superior bendability due to continuous annealing - Google Patents
Cold rolled steel plate having superior bendability due to continuous annealingInfo
- Publication number
- JPS56136956A JPS56136956A JP4029980A JP4029980A JPS56136956A JP S56136956 A JPS56136956 A JP S56136956A JP 4029980 A JP4029980 A JP 4029980A JP 4029980 A JP4029980 A JP 4029980A JP S56136956 A JPS56136956 A JP S56136956A
- Authority
- JP
- Japan
- Prior art keywords
- cold rolled
- rolled steel
- plate
- steel plate
- steel
- 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
Abstract
PURPOSE: To prevent the occurrence of coil break and buckle due to continuous annealing in the bending of a cold rolled steel plate by reducing impurities such as Si and Mn in steel in the manufacture of a continuously cast steel slab for said plate.
CONSTITUTION: In the manufacture of a steel slab for a cold rolled steel plate by a continuously casting method, the chemical composition of molten steel as starting material is adjusted so as to contain <0.10% C, <0.04% Si, <0.0070% N, 0.0010W0.0070% B, 0.005W0.060% sol. Al, <0.020% S and 0W0.20% Mn as (Mn-S×55/32). When a cold rolled steel plate is manufactured using this steel and continuously annealed, Si and Mn are not segregated on the plate surface, and the resulting plate has superior bendability.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4029980A JPS56136956A (en) | 1980-03-31 | 1980-03-31 | Cold rolled steel plate having superior bendability due to continuous annealing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4029980A JPS56136956A (en) | 1980-03-31 | 1980-03-31 | Cold rolled steel plate having superior bendability due to continuous annealing |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56136956A true JPS56136956A (en) | 1981-10-26 |
Family
ID=12576726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4029980A Pending JPS56136956A (en) | 1980-03-31 | 1980-03-31 | Cold rolled steel plate having superior bendability due to continuous annealing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56136956A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443272A (en) * | 1981-09-19 | 1984-04-17 | Nippon Steel Corporation | Process for producing cold rolled steel sheets having excellent press formability and ageing property |
JPS62139849A (en) * | 1985-12-13 | 1987-06-23 | Kobe Steel Ltd | Hot rolled soft steel sheet having superior workability |
FR2664908A1 (en) * | 1990-07-17 | 1992-01-24 | Nippon Kokan Kk | FER-NICKEL ALLOY SHEET FOR TELEVISION TUBE MASK. |
US5252151A (en) * | 1990-02-15 | 1993-10-12 | Nkk Corporation | Fe-Ni alloy sheet for shadow mask having a low silicon segregation and method for manufacturing same |
-
1980
- 1980-03-31 JP JP4029980A patent/JPS56136956A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443272A (en) * | 1981-09-19 | 1984-04-17 | Nippon Steel Corporation | Process for producing cold rolled steel sheets having excellent press formability and ageing property |
US4981531A (en) * | 1981-09-19 | 1991-01-01 | Nippon Steel Corporation | Process for producing cold rolled steel sheets having excellent press formability and ageing property |
JPS62139849A (en) * | 1985-12-13 | 1987-06-23 | Kobe Steel Ltd | Hot rolled soft steel sheet having superior workability |
US5252151A (en) * | 1990-02-15 | 1993-10-12 | Nkk Corporation | Fe-Ni alloy sheet for shadow mask having a low silicon segregation and method for manufacturing same |
FR2664908A1 (en) * | 1990-07-17 | 1992-01-24 | Nippon Kokan Kk | FER-NICKEL ALLOY SHEET FOR TELEVISION TUBE MASK. |
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