MY170573A - Cold rolled steel sheet having excellent surface quality after press forming and bake hardenability and method for manufacturing the same - Google Patents

Cold rolled steel sheet having excellent surface quality after press forming and bake hardenability and method for manufacturing the same

Info

Publication number
MY170573A
MY170573A MYPI2012003437A MYPI2012003437A MY170573A MY 170573 A MY170573 A MY 170573A MY PI2012003437 A MYPI2012003437 A MY PI2012003437A MY PI2012003437 A MYPI2012003437 A MY PI2012003437A MY 170573 A MY170573 A MY 170573A
Authority
MY
Malaysia
Prior art keywords
mass
steel sheet
surface quality
rolled steel
cold rolled
Prior art date
Application number
MYPI2012003437A
Inventor
Yasunobu Nagataki
Hideyuki Kimura
Hideyuki Takahashi
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 MY170573A publication Critical patent/MY170573A/en

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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—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
    • 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
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips

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

A cold rolled steel sheet useful as an outer or inner plate for automobile and having an excellent surface quality after press forming and a bake hardenability is provided, which has a chemical composition comprising C: 0.0005-0.0050 mass%, Si: not more than 0.30 mass%, Mn: not more than 1.50 mass%, P: not more than 0.100 mass%, S: not more than 0.020 mass%, sol. Al: not more than 0.080 mass%, N: not more than 0.0070 mass% and Nb: 0.003-0.100 mass% and the remainder being Fe and inevitable impurities, provided that C and Nb satisfy the following relational equation: 0.50 ? ([%Nb]/93) I ([%C]/12) ? 1.50 wherein [%M] represents a content of M element in steel (mass%).
MYPI2012003437A 2011-09-27 2012-07-31 Cold rolled steel sheet having excellent surface quality after press forming and bake hardenability and method for manufacturing the same MY170573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011211319A JP2013072107A (en) 2011-09-27 2011-09-27 Bake-hardenable, cold-rolled steel sheet excellent in surface quality after molding and method for manufacturing the same

Publications (1)

Publication Number Publication Date
MY170573A true MY170573A (en) 2019-08-19

Family

ID=48476857

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003437A MY170573A (en) 2011-09-27 2012-07-31 Cold rolled steel sheet having excellent surface quality after press forming and bake hardenability and method for manufacturing the same

Country Status (5)

Country Link
JP (1) JP2013072107A (en)
BR (1) BR102012019141A2 (en)
MY (1) MY170573A (en)
RU (1) RU2532782C2 (en)
ZA (1) ZA201205764B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105018840A (en) * 2015-07-10 2015-11-04 唐山钢铁集团有限责任公司 Ultra-low carbon bake-hardening steel plate and production method thereof
CN104985713B (en) * 2015-07-28 2017-05-10 河南省科学院化学研究所有限公司 Continuous casting epoxy resin composite panel device
MX2018011694A (en) 2016-03-31 2019-02-18 Jfe Steel Corp Thin steel sheet, plated steel sheet, hot-rolled steel sheet manufacturing method, cold-rolled full hard steel sheet manufacturing method, thin steel sheet manufacturing method, and plated steel sheet manufacturing method.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60127879T2 (en) * 2000-02-29 2007-09-06 Jfe Steel Corp. High strength hot rolled steel sheet with excellent stretch aging properties
TW565621B (en) * 2000-05-26 2003-12-11 Jfe Steel Corp Cold-rolled steel sheet and galvanized steel sheet having strain age hardenability property and method for producing the same
JP3958921B2 (en) * 2000-08-04 2007-08-15 新日本製鐵株式会社 Cold-rolled steel sheet excellent in paint bake-hardening performance and room temperature aging resistance and method for producing the same
RU2313583C2 (en) * 2006-01-24 2007-12-27 Открытое акционерное общество "Северсталь" Method for producing of cold-rolled steel for cold pressing
RU2330887C1 (en) * 2006-10-30 2008-08-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Method of producing cold-rolled steel for deep-drawing

Also Published As

Publication number Publication date
BR102012019141A2 (en) 2015-12-15
ZA201205764B (en) 2013-05-29
RU2532782C2 (en) 2014-11-10
RU2012132844A (en) 2014-02-10
JP2013072107A (en) 2013-04-22

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