IN2014DN09576A - - Google Patents

Info

Publication number
IN2014DN09576A
IN2014DN09576A IN9576DEN2014A IN2014DN09576A IN 2014DN09576 A IN2014DN09576 A IN 2014DN09576A IN 9576DEN2014 A IN9576DEN2014 A IN 9576DEN2014A IN 2014DN09576 A IN2014DN09576 A IN 2014DN09576A
Authority
IN
India
Prior art keywords
sheet
composition
austenite
microstructure
ferrite
Prior art date
Application number
Inventor
Rodriguez Ian Alberto Zuazo
Astrid Perlade
Xavier Garat
Original Assignee
Arcelormittal Investigación Y Desarrollo S L
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 Arcelormittal Investigación Y Desarrollo S L filed Critical Arcelormittal Investigación Y Desarrollo S L
Publication of IN2014DN09576A publication Critical patent/IN2014DN09576A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/0226—Hot 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
    • C21D8/0221—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
    • 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
    • C21D8/0447—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
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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

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)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The invention relates to a sheet of rolled steel having mechanical strength no lower than 600 MPa and elongation at break no lower than 20 % as well as to the method for manufacturing same. The chemical composition of the sheet of the invention includes: 0.10 % = C = 0.30 % , 6.0 % = Mn = 15.0 % , 6.0 % = Al = 15.0 % , and optionally one or more elements selected among: Si = 2.0 % , Ti = 0.2 % , V = 0.6 % and Nb = 0.3 % ,the rest of the composition comprising iron and inevitable impurities that result from the production process. The weight ratio of manganese to aluminium is such that: / > 1.0. The microstructure of the sheet according to the invention consists of ferrite , austenite and up to 5 % of kappa precipitates as a surface fraction.
IN9576DEN2014 2012-05-31 2013-05-27 IN2014DN09576A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/FR2012/000220 WO2013178887A1 (en) 2012-05-31 2012-05-31 Low-density hot- or cold-rolled steel, method for implementing same and use thereof
PCT/IB2013/001057 WO2013179115A1 (en) 2012-05-31 2013-05-27 Low-density hot- or cold-rolled steel, method for implementing same and use thereof

Publications (1)

Publication Number Publication Date
IN2014DN09576A true IN2014DN09576A (en) 2015-07-17

Family

ID=48700630

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9576DEN2014 IN2014DN09576A (en) 2012-05-31 2013-05-27

Country Status (17)

Country Link
US (1) US10900105B2 (en)
EP (1) EP2855725B1 (en)
JP (2) JP6074031B2 (en)
KR (3) KR20160129916A (en)
CN (1) CN104350169B (en)
BR (1) BR112014029177B1 (en)
CA (1) CA2873578C (en)
ES (1) ES2594328T3 (en)
HU (1) HUE028856T2 (en)
IN (1) IN2014DN09576A (en)
MA (1) MA37508B1 (en)
MX (1) MX359361B (en)
PL (1) PL2855725T3 (en)
RU (1) RU2614491C2 (en)
UA (1) UA111285C2 (en)
WO (2) WO2013178887A1 (en)
ZA (1) ZA201408109B (en)

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CN104928568B (en) * 2015-06-30 2017-07-28 宝山钢铁股份有限公司 A kind of ferrite low-density high-strength steel and its manufacture method
CN104928456B (en) * 2015-06-30 2017-08-25 宝山钢铁股份有限公司 A kind of manufacture method for improving general chill ferritic lightweight steel ductility
WO2017203315A1 (en) * 2016-05-24 2017-11-30 Arcelormittal Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts
CN106011653B (en) * 2016-07-05 2018-02-06 东北大学 High-intensity high-tenacity low density steel and its manufacture method
CN106756571A (en) * 2016-11-18 2017-05-31 扶绥县科学技术情报研究所 The High-strength steel material producing method of ultra-fine grain
CN106756570A (en) * 2016-11-18 2017-05-31 扶绥县科学技术情报研究所 The high-ductility steel iron material production method of ultra-fine grain
CN106399841B (en) * 2016-11-18 2018-07-03 扶绥县科学技术情报研究所 The strong anti-corrosion steel material production method of ultra-fine grain
CN106636915A (en) * 2016-11-18 2017-05-10 扶绥县科学技术情报研究所 Production method improving mechanical properties of steel material
CN106756569A (en) * 2016-11-18 2017-05-31 扶绥县科学技术情报研究所 Improve the production method of ferrous materials intensity
CN106756478B (en) * 2016-12-07 2018-03-27 钢铁研究总院 A kind of economical seawater corrosion resistance low-density low-alloy steel and preparation method thereof
KR20240050440A (en) * 2016-12-22 2024-04-18 아르셀러미탈 Cold rolled and heat treated steel sheet, method of production thereof and use of such steel to produce vehicle parts
WO2019122960A1 (en) * 2017-12-19 2019-06-27 Arcelormittal Cold rolled and heat treated steel sheet, method of production thereof and use of such steel to produce vehicle parts
CN109694997B (en) * 2019-02-25 2021-08-06 上海大学 Heat treatment process for improving mechanical property of Fe-Mn-Al-C dual-phase steel by utilizing gamma → alpha isomerous transformation
CN110592487B (en) * 2019-10-22 2021-12-10 成都先进金属材料产业技术研究院股份有限公司 700 MPa-grade austenite ferrite dual-phase low-density cast steel and preparation method thereof
KR102415068B1 (en) * 2020-09-07 2022-06-29 주식회사 포스코 High strength and low density steel plate and manufacturing method thereof
WO2023105271A1 (en) * 2021-12-10 2023-06-15 Arcelormittal Low density hot rolled steel, method of production thereof and use of such steel to produce vehicle parts
CN115537660B (en) * 2022-09-30 2023-07-14 武汉钢铁有限公司 Low-density high-strength hot rolled spring flat steel and production method thereof

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Also Published As

Publication number Publication date
CA2873578A1 (en) 2013-12-05
HUE028856T2 (en) 2017-01-30
RU2014153550A (en) 2016-07-20
KR20170053727A (en) 2017-05-16
WO2013179115A1 (en) 2013-12-05
ZA201408109B (en) 2015-11-25
US20150147221A1 (en) 2015-05-28
BR112014029177A2 (en) 2017-06-27
EP2855725A1 (en) 2015-04-08
MX2014014613A (en) 2015-08-10
BR112014029177B1 (en) 2019-03-26
CN104350169A (en) 2015-02-11
JP6242990B2 (en) 2017-12-06
JP6074031B2 (en) 2017-02-01
EP2855725B1 (en) 2016-07-06
CA2873578C (en) 2017-10-10
CN104350169B (en) 2017-02-22
UA111285C2 (en) 2016-04-11
MA37508B1 (en) 2016-03-31
JP2015520298A (en) 2015-07-16
JP2017106108A (en) 2017-06-15
KR20150003918A (en) 2015-01-09
US10900105B2 (en) 2021-01-26
KR20160129916A (en) 2016-11-09
WO2013178887A1 (en) 2013-12-05
MA20150361A1 (en) 2015-10-30
RU2614491C2 (en) 2017-03-28
WO2013179115A8 (en) 2014-11-06
MX359361B (en) 2018-09-26
ES2594328T3 (en) 2016-12-19
PL2855725T3 (en) 2016-12-30

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