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 thereof

Info

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
Application number
JP2047178A
Other languages
Japanese (ja)
Other versions
JPS5924182B2 (en
Inventor
Chuzo Sudo
Hisao Fujikawa
Michio Takagi
Yuji Shoji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Stainless Steel Co Ltd
Nippon Steel Corp
Original Assignee
Nippon Stainless Steel Co Ltd
Sumitomo Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Stainless Steel Co Ltd, Sumitomo Metal Industries Ltd filed Critical Nippon Stainless Steel Co Ltd
Priority to JP2047178A priority Critical patent/JPS5924182B2/en
Publication of JPS54112319A publication Critical patent/JPS54112319A/en
Publication of JPS5924182B2 publication Critical patent/JPS5924182B2/en
Expired legal-status Critical Current

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  • 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
JP2047178A 1978-02-23 1978-02-23 Heat-resistant ferritic stainless steel with excellent press formability and its manufacturing method Expired JPS5924182B2 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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