MX2012013968A - Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof. - Google Patents

Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof.

Info

Publication number
MX2012013968A
MX2012013968A MX2012013968A MX2012013968A MX2012013968A MX 2012013968 A MX2012013968 A MX 2012013968A MX 2012013968 A MX2012013968 A MX 2012013968A MX 2012013968 A MX2012013968 A MX 2012013968A MX 2012013968 A MX2012013968 A MX 2012013968A
Authority
MX
Mexico
Prior art keywords
cold
less
steel sheet
thin steel
rolled
Prior art date
Application number
MX2012013968A
Other languages
Spanish (es)
Other versions
MX336858B (en
Inventor
Taro Kizu
Koichiro Fujita
Eiko Yasuhara
Kazuhiro Hanazawa
Shigehiro Takajo
Original Assignee
Jfe Steel Corp
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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of MX2012013968A publication Critical patent/MX2012013968A/en
Publication of MX336858B publication Critical patent/MX336858B/en

Links

Classifications

    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D8/0421—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 characterised by the working steps
    • C21D8/0436—Cold rolling
    • 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
    • C21D8/0421—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 characterised by the working steps
    • C21D8/0442—Flattening; Dressing; Flexing
    • 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
    • C21D8/0447—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 characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets

Landscapes

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

Abstract

Disclosed are: a thin steel sheet having a low proportional limit; and a process for producing the thin steel sheet. A cold-rolled steel sheet, which has a chemical composition comprising, in mass%, 0.10% or less of C, 0.05% or less of Si, 0.1-1.0% of Mn, 0.05% or less of P, 0.02% or less of S, 0.02-0.10% of Al, less than 0.005% of N and a remainder made up by Fe and unavoidable impurities, is subjected to an annealing treatment which comprises heating at an annealing temperature of 730-850˿C for 30 s or longer and cooling to a temperature equal to or lower than 600˿C at a cooling rate of 5˿C/s or more, thereby producing a cold-rolled annealed sheet having a structure mainly composed of a ferrite phase having an average crystal grain diameter (d) of 5-30 μm. The cold-rolled annealed sheet is subjected to a temper rolling treatment using a roll having a surface roughness (Ra) of 2.0 μm or less and at a temper rolling stretch ratio (R) (%) of (0.05-0.20)d (wherein d (μm) represents the average crystal grain diameter of the thin cold-rolled annealed sheet). In this manner, a cold-rolled thin steel sheet having a proportional limit of 150 MPa or less can be produced. The cold-rolled thin steel sheet may have, formed on the surface thereof, a molten zinc plated layer, an alloyed molten zinc plated layer or an electrolytic zinc plated layer.
MX2012013968A 2010-06-23 2011-06-08 Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof. MX336858B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010142249A JP5549414B2 (en) 2010-06-23 2010-06-23 Cold-rolled thin steel sheet having excellent shape freezing property and manufacturing method thereof
PCT/JP2011/063626 WO2011162135A1 (en) 2010-06-23 2011-06-08 Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof

Publications (2)

Publication Number Publication Date
MX2012013968A true MX2012013968A (en) 2012-12-17
MX336858B MX336858B (en) 2016-02-04

Family

ID=45371329

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012013968A MX336858B (en) 2010-06-23 2011-06-08 Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof.

Country Status (7)

Country Link
JP (1) JP5549414B2 (en)
KR (1) KR101479391B1 (en)
CN (1) CN102947476B (en)
MX (1) MX336858B (en)
MY (1) MY162617A (en)
TW (1) TW201211268A (en)
WO (1) WO2011162135A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5541243B2 (en) * 2011-07-15 2014-07-09 Ｊｆｅスチール株式会社 Cold-rolled steel sheet having excellent shape freezing property and manufacturing method thereof
JP5486634B2 (en) * 2012-04-24 2014-05-07 株式会社神戸製鋼所 Steel for machine structure for cold working and method for producing the same
CN102732778B (en) * 2012-06-19 2014-04-02 马钢(集团)控股有限公司 340MPa-grade high-strength cold-rolled steel plate used for deep-drawing, and production method thereof
TWI502083B (en) * 2012-09-28 2015-10-01 Jfe Steel Corp Cold rolled steel plate with good shape fixability and fabricating method thereof
KR20150060957A (en) * 2012-10-11 2015-06-03 제이에프이 스틸 가부시키가이샤 Cold-rolled steel sheet with superior shape fixability and manufacturing method therefor
JP6052145B2 (en) 2013-11-28 2016-12-27 Ｊｆｅスチール株式会社 Bake-hardening hot-dip galvanized steel sheet
KR20150075351A (en) * 2013-12-24 2015-07-03 주식회사 포스코 Rolled steel and method of manufacturing the same
KR20150075014A (en) * 2013-12-24 2015-07-02 주식회사 포스코 Rolled steel and method of manufacturing the same
EP3102348B1 (en) * 2014-01-30 2017-12-27 ArcelorMittal Method of producing parts with slight undulation from an electrogalvanized sheet, corresponding part and vehicle
JP6086077B2 (en) * 2014-02-05 2017-03-01 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet with excellent workability and method for producing the same
JP6086078B2 (en) * 2014-02-05 2017-03-01 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet with excellent stretch flangeability and manufacturing method thereof
JP6119628B2 (en) * 2014-02-05 2017-04-26 Ｊｆｅスチール株式会社 High-strength cold-rolled thin steel sheet having a high proportional limit and excellent bending workability, and a method for producing the same
CN105441795B (en) * 2014-08-22 2017-10-27 上海梅山钢铁股份有限公司 A kind of LED lead frame low-carbon cold rolling steel plate and its production method
PL3204530T3 (en) 2014-10-09 2019-07-31 Thyssenkrupp Steel Europe Ag Cold rolled steel sheet and recrystallisation-annealed steel flat product and method for producing the same
PL3293279T3 (en) * 2015-05-07 2020-07-27 Nippon Steel Corporation High-strength steel plate and production method therefor
JP7111252B2 (en) 2019-03-29 2022-08-02 日本製鉄株式会社 Coated steel member, coated steel plate and manufacturing method thereof
CN114959491B (en) * 2022-06-20 2023-05-02 武汉钢铁有限公司 350MPa grade high corrosion-resistant coated steel sheet produced by short process and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3821036B2 (en) * 2002-04-01 2006-09-13 住友金属工業株式会社 Hot rolled steel sheet, hot rolled steel sheet and cold rolled steel sheet
CN100526493C (en) * 2004-07-27 2009-08-12 新日本制铁株式会社 High young's modulus steel plate, zinc hot dip galvanized steel sheet using the same, alloyed zinc hot dip galvanized steel sheet, high young's modulus steel pipe, and method for production thereof
WO2008075603A1 (en) * 2006-12-18 2008-06-26 Jfe Steel Corporation Method of temper rolling of steel strip and process for manufacturing high tensile cold rolled steel sheet
WO2008093815A1 (en) * 2007-01-29 2008-08-07 Jfe Steel Corporation High tensile cold-rolled steel sheet and process for production thereor
CN101622080B (en) * 2007-03-01 2011-08-03 杰富意钢铁株式会社 High tensile cold rolled steel plate and method for manufacturing the cold rolled steel plate
JP5093029B2 (en) * 2008-09-29 2012-12-05 住友金属工業株式会社 Cold rolled steel sheet and method for producing the same

Also Published As

Publication number Publication date
MY162617A (en) 2017-06-30
CN102947476B (en) 2015-08-26
WO2011162135A1 (en) 2011-12-29
KR20130023274A (en) 2013-03-07
JP5549414B2 (en) 2014-07-16
CN102947476A (en) 2013-02-27
KR101479391B1 (en) 2015-01-05
TW201211268A (en) 2012-03-16
JP2012007196A (en) 2012-01-12
MX336858B (en) 2016-02-04

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