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GB1209345A - Ferritic steel sheet or strip - Google Patents

Ferritic steel sheet or strip

Info

Publication number
GB1209345A
GB1209345A GB0760/68A GB176068A GB1209345A GB 1209345 A GB1209345 A GB 1209345A GB 0760/68 A GB0760/68 A GB 0760/68A GB 176068 A GB176068 A GB 176068A GB 1209345 A GB1209345 A GB 1209345A
Authority
GB
United Kingdom
Prior art keywords
annealing
steel
cold
hot
prior
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.)
Expired
Application number
GB0760/68A
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.)
Yawata Iron and Steel Co Ltd
Original Assignee
Yawata Iron and Steel Co 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 Yawata Iron and Steel Co Ltd filed Critical Yawata Iron and Steel Co Ltd
Publication of GB1209345A publication Critical patent/GB1209345A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

1,209,345. Making ferritic steel by annealing. YAWATA IRON & STEEL CO. Ltd. Jan. 12, 1968 [Jan. 14, 1967], No.1760/68. Heading C7A. A ferritic non-ridging stainless steel sheet or strip containing less than 0À15% C and 13 to 25% Cr is made by annealing a hot-rolled band of the steel in the range 900 to 1000‹C. in which austenite and ferrite phases co-exist, then cooling by aircooling or at a velocity higher than air-cooling e. g. at 300-400‹C. /min to form a ferrite structure containing a martensite dispersion phase, coldrolling the band of this structure in at least one step including a step in which reduction in thickness is morethan30%, and then finally annealing, e.g. at 750 to 860‹C. prior to gradual cooling to 700 to 500‹C. Cold-rolling may be effected in many steps with inter - mediate annealing. Prior to first annealing, the hot-rolled band may be cold-rolled by less than 30% reduction. A conventional process is disclosed wherein the hot-rolled band is annealed in a ferrite range of 800 to 860‹C. prior to cold-rolling and final annealing. Examples of steel compositions are specified within the limits: 0À04-0À07%C, 0À42- 0À75% Si, 0À38-0À57 Mn, 0À019-0À028% P, 0À006- 0À008% S, 16À12-17À78% Cr, with or without 0À12- 0À14% Ni and 0À1% Mo, the balance being Fe and impurities.
GB0760/68A 1967-01-14 1968-01-12 Ferritic steel sheet or strip Expired GB1209345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP261567A JPS471878B1 (en) 1967-01-14 1967-01-14 Manufacturing method of ferritic stainless steel sheet having excellent workability without ridging

Publications (1)

Publication Number Publication Date
GB1209345A true GB1209345A (en) 1970-10-21

Family

ID=11534288

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0760/68A Expired GB1209345A (en) 1967-01-14 1968-01-12 Ferritic steel sheet or strip

Country Status (3)

Country Link
JP (1) JPS471878B1 (en)
FR (1) FR1555907A (en)
GB (1) GB1209345A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594114A (en) * 1982-12-29 1986-06-10 Nisshin Steel Co., Ltd. Process for producing strip of corrosion resistant alloy steel
US5505797A (en) * 1994-03-29 1996-04-09 Kawasaki Steel Corporation Method of producing ferritic stainless steel strip with small intra-face anisotropy
WO2011036352A1 (en) 2009-09-24 2011-03-31 Arcelormittal Investigación Y Desarrolllo Sl Ferritic stainless steel having high drawability properties
EP3594372A4 (en) * 2017-04-25 2020-01-22 JFE Steel Corporation Material for cold-rolled stainless steel sheet, and production method therefor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856734B2 (en) * 1980-01-11 1983-12-16 新日本製鐵株式会社 Manufacturing method of ferritic stainless steel sheet
JP2756549B2 (en) * 1989-07-22 1998-05-25 日新製鋼株式会社 Manufacturing method of high strength duplex stainless steel strip with excellent spring properties.
DE3936072A1 (en) * 1989-10-28 1991-05-02 Rexnord Kette Gmbh & Co Kg HEAT TREATMENT METHOD
FR2671106B1 (en) * 1990-12-27 1994-04-15 Ugine Aciers Chatillon Gueugnon PROCESS FOR THE PREPARATION OF A STAINLESS STEEL WITH A TWO-PHASE FERRITE-MARTENSITE STRUCTURE AND STEEL OBTAINED ACCORDING TO THIS PROCESS.
WO2018198835A1 (en) 2017-04-25 2018-11-01 Ｊｆｅスチール株式会社 Material for cold-rolled stainless steel sheet, and production method therefor
JP6432701B2 (en) 2017-04-25 2018-12-05 Ｊｆｅスチール株式会社 Ferritic stainless steel sheet and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594114A (en) * 1982-12-29 1986-06-10 Nisshin Steel Co., Ltd. Process for producing strip of corrosion resistant alloy steel
US5505797A (en) * 1994-03-29 1996-04-09 Kawasaki Steel Corporation Method of producing ferritic stainless steel strip with small intra-face anisotropy
WO2011036352A1 (en) 2009-09-24 2011-03-31 Arcelormittal Investigación Y Desarrolllo Sl Ferritic stainless steel having high drawability properties
EP3594372A4 (en) * 2017-04-25 2020-01-22 JFE Steel Corporation Material for cold-rolled stainless steel sheet, and production method therefor

Also Published As

Publication number Publication date
DE1608006B1 (en) 1974-03-21
JPS471878B1 (en) 1972-01-19
FR1555907A (en) 1969-01-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee