EP3807428A4 - HIGH STRENGTH STEEL ALLOYS EXHIBITING DUCTILITY CHARACTERISTICS - Google Patents

HIGH STRENGTH STEEL ALLOYS EXHIBITING DUCTILITY CHARACTERISTICS Download PDF

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Publication number
EP3807428A4
EP3807428A4 EP19819596.8A EP19819596A EP3807428A4 EP 3807428 A4 EP3807428 A4 EP 3807428A4 EP 19819596 A EP19819596 A EP 19819596A EP 3807428 A4 EP3807428 A4 EP 3807428A4
Authority
EP
European Patent Office
Prior art keywords
high strength
strength steel
steel alloys
ductility characteristics
alloys exhibiting
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.)
Pending
Application number
EP19819596.8A
Other languages
German (de)
French (fr)
Other versions
EP3807428A1 (en
Inventor
Daniel James Branagan
Alla Sergueeva
Brian E. Meacham
Andrew E. Frerichs
Sheng Cheng
Scott Larish
Grant G. Justice
Logan J. TEW
Scott T. ANDERSON
Kurtis Clark
Taylor L. GIDDENS
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.)
United States Steel Corp
Original Assignee
Nanosteel Co Inc
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 Nanosteel Co Inc filed Critical Nanosteel Co Inc
Publication of EP3807428A1 publication Critical patent/EP3807428A1/en
Publication of EP3807428A4 publication Critical patent/EP3807428A4/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving particular fabrication steps or treatments of ingots or slabs
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • C21D8/0273Final recrystallisation annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/03Making non-ferrous alloys by melting using master alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20Ferrous alloys, e.g. steel alloys containing chromium with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/36Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/56Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying 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 working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying 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 working steps
    • C21D8/0236Cold rolling

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  • 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 Steel (AREA)
EP19819596.8A 2018-06-14 2019-05-17 HIGH STRENGTH STEEL ALLOYS EXHIBITING DUCTILITY CHARACTERISTICS Pending EP3807428A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862684869P 2018-06-14 2018-06-14
PCT/US2019/032861 WO2019240910A1 (en) 2018-06-14 2019-05-17 High strength steel alloys with ductility characteristics

Publications (2)

Publication Number Publication Date
EP3807428A1 EP3807428A1 (en) 2021-04-21
EP3807428A4 true EP3807428A4 (en) 2022-03-09

Family

ID=68839597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19819596.8A Pending EP3807428A4 (en) 2018-06-14 2019-05-17 HIGH STRENGTH STEEL ALLOYS EXHIBITING DUCTILITY CHARACTERISTICS

Country Status (3)

Country Link
US (1) US20190382875A1 (en)
EP (1) EP3807428A4 (en)
WO (1) WO2019240910A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11168379B2 (en) * 2018-02-12 2021-11-09 Ford Motor Company Pre-conditioned AlSiFe coating of boron steel used in hot stamping
CA3169236A1 (en) * 2020-02-03 2021-08-12 United States Steel Corporation Improvements in hot band in high strength steel alloys
CN113172089B (en) * 2021-03-31 2023-04-07 甘肃酒钢集团宏兴钢铁股份有限公司 Production method of high-carbon martensitic stainless steel steckel mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150376749A1 (en) * 2013-03-04 2015-12-31 Outokumpu Nirosta Gmbh Method for producing an ultra high strength material with high elongation
EP3088555A1 (en) * 2013-12-25 2016-11-02 Posco Steel for low-temperature service having excellent surface processing quality
US20160340763A1 (en) * 2015-05-21 2016-11-24 Ak Steel Properties, Inc. High manganese 3rd generation advanced high strength steels

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE69226946T2 (en) * 1991-12-30 1999-05-12 Pohang Iron & Steel Co. Ltd., Pohang City, Kyung Sang Book AUSTENITIC MANGANIC STEEL SHEET WITH HIGH DEFORMABILITY, STRENGTH AND WELDABILITY AND METHOD
GB9608108D0 (en) * 1996-04-19 1996-06-26 Naco Inc Steel Castings
JP4457667B2 (en) * 2002-03-01 2010-04-28 Jfeスチール株式会社 Surface-treated steel sheet
US8257512B1 (en) * 2011-05-20 2012-09-04 The Nanosteel Company, Inc. Classes of modal structured steel with static refinement and dynamic strengthening and method of making thereof
US8419869B1 (en) * 2012-01-05 2013-04-16 The Nanosteel Company, Inc. Method of producing classes of non-stainless steels with high strength and high ductility
JP6869178B2 (en) * 2014-09-24 2021-05-12 ザ・ナノスティール・カンパニー・インコーポレーテッド High ductile steel alloy with mixed microstructure
WO2017117128A1 (en) * 2015-12-28 2017-07-06 The Nanosteel Company, Inc. Delayed cracking prevention during drawing of high strength steel
PL3481972T3 (en) * 2016-07-08 2023-03-13 United States Steel Corporation Method for producing high yield strength steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150376749A1 (en) * 2013-03-04 2015-12-31 Outokumpu Nirosta Gmbh Method for producing an ultra high strength material with high elongation
EP3088555A1 (en) * 2013-12-25 2016-11-02 Posco Steel for low-temperature service having excellent surface processing quality
US20160340763A1 (en) * 2015-05-21 2016-11-24 Ak Steel Properties, Inc. High manganese 3rd generation advanced high strength steels

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
FERREIRA DE DAFE SARA SILVA ET AL: "Effect of cooling rate on ([epsilon], [alpha]') martensite formation in twinning/transformation-induced plasticity Fe-17Mn-0.06C steel", vol. 16, no. 6, 1 January 2013 (2013-01-01), pages 1229 - 1236, XP009533017, ISSN: 1516-1439, Retrieved from the Internet <URL:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392013000600003&lng=en&tlng=en> [retrieved on 20130802], DOI: 10.1590/S1516-14392013005000129 *
LEE SANGWON ET AL: "Effect of the Intercritical Annealing Temperature on the Mechanical Properties of 10 Pct Mn Multi-phase Steel", METALLURGICAL AND MATERIALS TRANSACTIONS A, SPRINGER US, NEW YORK, vol. 45, no. 11, 2 August 2014 (2014-08-02), pages 5009 - 5016, XP035379704, ISSN: 1073-5623, [retrieved on 20140802], DOI: 10.1007/S11661-014-2449-0 *
NIEWIELSKI ET AL: "High-strength Mn-Al steels intended for structural components of motor vehicles", HUTNIK--WIADOMOSCI HUTNICZE, WYDAWNICTWO SIGMA - N O T SP. Z O.O, PO, vol. 79, no. 8, 1 January 2012 (2012-01-01), pages 518 - 522, XP009533015, ISSN: 1230-3534 *
See also references of WO2019240910A1 *
TOMASZEWSKA ET AL: "Study of properties of X20MnAl17-3 steel sheets", HUTNIK--WIADOMOSCI HUTNICZE, WYDAWNICTWO SIGMA - N O T SP. Z O.O, PO, vol. 78, no. 8, 1 January 2011 (2011-01-01), pages 674 - 677, XP009533012, ISSN: 1230-3534 *

Also Published As

Publication number Publication date
US20190382875A1 (en) 2019-12-19
EP3807428A1 (en) 2021-04-21
WO2019240910A1 (en) 2019-12-19

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