MA35720B1 - Aciers double-phase comportant une teneur élevée en silicium dotés d'une ductilité améliorée - Google Patents

Aciers double-phase comportant une teneur élevée en silicium dotés d'une ductilité améliorée

Info

Publication number
MA35720B1
MA35720B1 MA37077A MA37077A MA35720B1 MA 35720 B1 MA35720 B1 MA 35720B1 MA 37077 A MA37077 A MA 37077A MA 37077 A MA37077 A MA 37077A MA 35720 B1 MA35720 B1 MA 35720B1
Authority
MA
Morocco
Prior art keywords
improved ductility
phase steels
silicon dual
double
phase steel
Prior art date
Application number
MA37077A
Other languages
English (en)
Inventor
Hyun Jo Jun
Narayan S Pottore
Nina Michailovna Fonstein
Original Assignee
Arcelormittal Investigación Y Desarrollo Sl
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 Sl filed Critical Arcelormittal Investigación Y Desarrollo Sl
Publication of MA35720B1 publication Critical patent/MA35720B1/fr

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • 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
    • C22C38/001—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
    • C22C38/02—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
    • C21D2211/005—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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)
  • Heat Treatment Of Steel (AREA)

Abstract

L'invention concerne un acier double-phase (martensite + ferrite) présentant une résistance à la traction d'au moins 980 mpa et une élongation totale d'au moins 15 %. L'acier double-phase peut présenter une élongation totale d'au moins 18 %. L'acier double-phase peut également présenter une résistance à la traction d'au moins 1180 mpa. L'acier double-phase peut inclure entre 0,5-3,5 % en poids de si et plus préférablement entre 1,5-2,5 % en poids de si.
MA37077A 2011-11-28 2014-05-27 Aciers double-phase comportant une teneur élevée en silicium dotés d'une ductilité améliorée MA35720B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161629757P 2011-11-28 2011-11-28
PCT/US2012/066877 WO2013082171A1 (fr) 2011-11-28 2012-11-28 Aciers double-phase comportant une teneur élevée en silicium dotés d'une ductilité améliorée

Publications (1)

Publication Number Publication Date
MA35720B1 true MA35720B1 (fr) 2014-12-01

Family

ID=48536019

Family Applications (1)

Application Number Title Priority Date Filing Date
MA37077A MA35720B1 (fr) 2011-11-28 2014-05-27 Aciers double-phase comportant une teneur élevée en silicium dotés d'une ductilité améliorée

Country Status (13)

Country Link
US (3) US10131974B2 (fr)
EP (1) EP2785889A4 (fr)
JP (1) JP2014534350A (fr)
KR (3) KR20200106559A (fr)
CN (1) CN104350166B (fr)
BR (1) BR112014012756B1 (fr)
CA (1) CA2857281C (fr)
IN (1) IN2014CN04226A (fr)
MA (1) MA35720B1 (fr)
MX (1) MX371405B (fr)
RU (1) RU2601037C2 (fr)
WO (1) WO2013082171A1 (fr)
ZA (1) ZA201403746B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10435763B2 (en) 2014-04-15 2019-10-08 Thyssenkrupp Steel Europe Ag Method for producing a cold-rolled flat steel product with high yield strength and flat cold-rolled steel product
AU2015362574B2 (en) 2014-12-16 2020-07-09 Greer Steel Company Steel compositions, methods of manufacture and uses in producing rimfire cartridges
CA2991135C (fr) * 2015-07-15 2021-10-12 Ak Steel Properties, Inc. Acier biphase a haute aptitude au formage
SE539519C2 (en) 2015-12-21 2017-10-03 High strength galvannealed steel sheet and method of producing such steel sheet
USD916126S1 (en) 2019-05-28 2021-04-13 Samsung Electronics Co., Ltd. Display screen or portion thereof with icon

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499226A (ja) 1990-08-08 1992-03-31 Kobe Steel Ltd 低降伏比高強度冷延鋼板の製造方法
JPH0830212B2 (ja) * 1990-08-08 1996-03-27 日本鋼管株式会社 加工性に優れた超高強度冷延鋼板の製造方法
BE1009719A3 (nl) 1995-10-24 1997-07-01 Wiele Michel Van De Nv Systeem voor het onder spanning brengen van grondkettingdraden op een boomstand.
DE19936151A1 (de) 1999-07-31 2001-02-08 Thyssenkrupp Stahl Ag Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung
JP4530606B2 (ja) 2002-06-10 2010-08-25 Ｊｆｅスチール株式会社 スポット溶接性に優れた超高強度冷延鋼板の製造方法
EP2017363A3 (fr) * 2002-06-14 2009-08-05 JFE Steel Corporation Plaque d'acier laminé à froid haute résistance et son procédé de fabrication
FR2850671B1 (fr) 2003-02-05 2006-05-19 Usinor Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
JP4005517B2 (ja) 2003-02-06 2007-11-07 株式会社神戸製鋼所 伸び、及び伸びフランジ性に優れた高強度複合組織鋼板
JP2004256872A (ja) * 2003-02-26 2004-09-16 Jfe Steel Kk 伸びおよび伸びフランジ性に優れる高張力冷延鋼板およびその製造方法
JP4649868B2 (ja) 2003-04-21 2011-03-16 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法
CN1273633C (zh) * 2003-06-24 2006-09-06 宝山钢铁股份有限公司 超细晶粒低碳低合金双相钢板及其制造方法
JP3934604B2 (ja) 2003-12-25 2007-06-20 株式会社神戸製鋼所 塗膜密着性に優れた高強度冷延鋼板
JP4461112B2 (ja) * 2006-03-28 2010-05-12 株式会社神戸製鋼所 加工性に優れた高強度鋼板
JP4503001B2 (ja) 2006-11-21 2010-07-14 株式会社神戸製鋼所 耐パウダリング性と加工性に優れた高強度合金化溶融亜鉛めっき鋼板
JP5167487B2 (ja) 2008-02-19 2013-03-21 Ｊｆｅスチール株式会社 延性に優れる高強度鋼板およびその製造方法
JP5438302B2 (ja) * 2008-10-30 2014-03-12 株式会社神戸製鋼所 加工性に優れた高降伏比高強度の溶融亜鉛めっき鋼板または合金化溶融亜鉛めっき鋼板とその製造方法
JP5418168B2 (ja) * 2008-11-28 2014-02-19 Ｊｆｅスチール株式会社 成形性に優れた高強度冷延鋼板、高強度溶融亜鉛めっき鋼板およびそれらの製造方法
JP5379494B2 (ja) 2009-01-07 2013-12-25 株式会社神戸製鋼所 コイル内での強度ばらつきの小さい高強度冷延鋼板コイルおよびその製造方法
JP5302840B2 (ja) 2009-10-05 2013-10-02 株式会社神戸製鋼所 伸びと伸びフランジ性のバランスに優れた高強度冷延鋼板
JP5530209B2 (ja) 2010-02-05 2014-06-25 株式会社神戸製鋼所 伸びと伸びフランジ性のバランスに優れた高強度冷延鋼板およびその製造方法
KR101315568B1 (ko) 2010-03-24 2013-10-08 제이에프이 스틸 가부시키가이샤 고강도 전봉 강관 및 그 제조 방법
JP5466562B2 (ja) 2010-04-05 2014-04-09 株式会社神戸製鋼所 伸びおよび曲げ性に優れた高強度冷延鋼板

Also Published As

Publication number Publication date
WO2013082171A1 (fr) 2013-06-06
US20200080177A1 (en) 2020-03-12
US11198928B2 (en) 2021-12-14
EP2785889A1 (fr) 2014-10-08
MX2014006415A (es) 2015-11-16
RU2601037C2 (ru) 2016-10-27
EP2785889A4 (fr) 2016-03-02
KR20200106559A (ko) 2020-09-14
CN104350166A (zh) 2015-02-11
BR112014012756B1 (pt) 2019-02-19
CN104350166B (zh) 2018-08-03
ZA201403746B (en) 2015-07-29
CA2857281C (fr) 2018-12-04
US20150267280A1 (en) 2015-09-24
KR20170054554A (ko) 2017-05-17
CA2857281A1 (fr) 2013-06-06
US10131974B2 (en) 2018-11-20
IN2014CN04226A (fr) 2015-07-17
MX371405B (es) 2020-01-29
BR112014012756A2 (pt) 2017-06-27
JP2014534350A (ja) 2014-12-18
RU2014126384A (ru) 2016-01-27
US20190010585A1 (en) 2019-01-10
KR20140117365A (ko) 2014-10-07

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