JPS54112319A - Heat resistant ferritic stainless steel with superior press formability and manufacture thereof - Google Patents
Heat resistant ferritic stainless steel with superior press formability and manufacture thereofInfo
- Publication number
- JPS54112319A JPS54112319A JP2047178A JP2047178A JPS54112319A JP S54112319 A JPS54112319 A JP S54112319A JP 2047178 A JP2047178 A JP 2047178A JP 2047178 A JP2047178 A JP 2047178A JP S54112319 A JPS54112319 A JP S54112319A
- Authority
- JP
- Japan
- Prior art keywords
- annealed
- heat resistant
- stainless steel
- ferritic stainless
- press formability
- 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 Sheet Steel (AREA)
Abstract
PURPOSE: To obtain a heat resistant ferritic stainless steel with superior press formability usable for a car converter, a burner, etc. by hot rolling a steel contg. a specific amt. of Cr, Si, Mn, C, N and Zr, followed by annealing, cold rolling and annealing.
CONSTITUTION: A steel consisting of Cr; 11.0W20.0%, Si≤1.5%, Mn≤1.5%, C+N; 0.02W0.06%, Zr; 0.2W0.6% [Zr%=10(C%+N%)±0.15%] and the balance Fe essentially is hot rolled and annealed at 770W1000°C. In case the hot rolled sheet is batch-wise annealed as a coil, the coil is held at a predetermined time for above several hr. When the sheet is fed to a continuous annealing furnace while uncoiling or the sheet is annealed in a batch-wise furnace, the annealing is carried out in a short time. The annealed sheet is then cold rolled and annealed again at 700W1000°C to obtain a heat resistant ferritic stainless steel with superior press formability.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2047178A JPS5924182B2 (en) | 1978-02-23 | 1978-02-23 | Heat-resistant ferritic stainless steel with excellent press formability and its manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2047178A JPS5924182B2 (en) | 1978-02-23 | 1978-02-23 | Heat-resistant ferritic stainless steel with excellent press formability and its manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54112319A true JPS54112319A (en) | 1979-09-03 |
JPS5924182B2 JPS5924182B2 (en) | 1984-06-07 |
Family
ID=12028005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2047178A Expired JPS5924182B2 (en) | 1978-02-23 | 1978-02-23 | Heat-resistant ferritic stainless steel with excellent press formability and its manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5924182B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100398391B1 (en) * | 1998-12-26 | 2003-12-18 | 주식회사 포스코 | A METHOD FOR MANUFACTURING HOT ROLLED STAINLESS STEEL CONTAINING 11-13% Cr |
KR20150038601A (en) | 2012-09-24 | 2015-04-08 | 제이에프이 스틸 가부시키가이샤 | Easily worked ferrite stainless-steel sheet |
-
1978
- 1978-02-23 JP JP2047178A patent/JPS5924182B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100398391B1 (en) * | 1998-12-26 | 2003-12-18 | 주식회사 포스코 | A METHOD FOR MANUFACTURING HOT ROLLED STAINLESS STEEL CONTAINING 11-13% Cr |
KR20150038601A (en) | 2012-09-24 | 2015-04-08 | 제이에프이 스틸 가부시키가이샤 | Easily worked ferrite stainless-steel sheet |
Also Published As
Publication number | Publication date |
---|---|
JPS5924182B2 (en) | 1984-06-07 |
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