EP3674435A4 - Niedrig legiertes stahlblech mit ausgezeichneter festigkeit und duktilität und verfahren zu seiner herstellung - Google Patents

Niedrig legiertes stahlblech mit ausgezeichneter festigkeit und duktilität und verfahren zu seiner herstellung Download PDF

Info

Publication number
EP3674435A4
EP3674435A4 EP18857908.0A EP18857908A EP3674435A4 EP 3674435 A4 EP3674435 A4 EP 3674435A4 EP 18857908 A EP18857908 A EP 18857908A EP 3674435 A4 EP3674435 A4 EP 3674435A4
Authority
EP
European Patent Office
Prior art keywords
ductility
production
steel sheet
alloy steel
excellent strength
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
EP18857908.0A
Other languages
English (en)
French (fr)
Other versions
EP3674435A1 (de
Inventor
Jeom Yong Choi
Mi Nam Park
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3674435A4 publication Critical patent/EP3674435A4/de
Publication of EP3674435A1 publication Critical patent/EP3674435A1/de
Pending legal-status Critical Current

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
    • 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
    • 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
    • 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
    • C21D8/0221—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 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 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
    • C21D8/0221—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 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 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
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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

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)
EP18857908.0A 2017-09-25 2018-09-20 Niedrig legiertes stahlblech mit ausgezeichneter festigkeit und duktilität und verfahren zu seiner herstellung Pending EP3674435A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170123412A KR101952818B1 (ko) 2017-09-25 2017-09-25 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법
PCT/KR2018/011097 WO2019059660A1 (ko) 2017-09-25 2018-09-20 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법

Publications (2)

Publication Number Publication Date
EP3674435A4 true EP3674435A4 (de) 2020-07-01
EP3674435A1 EP3674435A1 (de) 2020-07-01

Family

ID=65584496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18857908.0A Pending EP3674435A1 (de) 2017-09-25 2018-09-20 Niedrig legiertes stahlblech mit ausgezeichneter festigkeit und duktilität und verfahren zu seiner herstellung

Country Status (4)

Country Link
EP (1) EP3674435A1 (de)
KR (1) KR101952818B1 (de)
CN (1) CN111133122B (de)
WO (1) WO2019059660A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102602352B1 (ko) * 2018-04-02 2023-11-17 삼성전자주식회사 헤어라인을 포함하는 가전기기 및 이의 제조방법
KR102268906B1 (ko) * 2019-07-17 2021-06-25 주식회사 포스코 강도가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법
KR102385472B1 (ko) * 2020-04-22 2022-04-13 주식회사 포스코 고강도, 고성형의 저원가 오스테나이트계 스테인리스강 및 그 제조방법
CN115305412B (zh) * 2021-05-05 2024-02-06 通用汽车环球科技运作有限责任公司 具有优异耐腐蚀性和超高强度的组合的压制硬化钢

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827920A (de) * 1971-08-18 1973-04-13
GB1323919A (en) * 1969-12-27 1973-07-18 Nisshin Steel Co Ltd Austenitic stainless steels
US3756807A (en) * 1970-01-13 1973-09-04 Nisshin Steel Co Ltd Austenitic stainless steels
JPS61124556A (ja) * 1984-11-20 1986-06-12 Kawasaki Steel Corp 低ニツケルオ−ステナイト系ステンレス鋼板およびその製造方法
US4946644A (en) * 1989-03-03 1990-08-07 Baltimore Specialty Steels Corporation Austenitic stainless steel with improved castability
US20130039802A1 (en) * 2010-05-06 2013-02-14 Outokumpu Oyj Low-nickel austenitic stainless steel and use of the steel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780984B1 (fr) 1998-07-09 2001-06-22 Lorraine Laminage Tole d'acier laminee a chaud et a froid revetue et comportant une tres haute resistance apres traitement thermique
DE102005024029B3 (de) * 2005-05-23 2007-01-04 Technische Universität Bergakademie Freiberg Austenitischer Leichtbaustahl und seine Verwendung
DE102005030413C5 (de) * 2005-06-28 2009-12-10 Technische Universität Bergakademie Freiberg Hochfester austenitisch-martensitischer Leichtbaustahl und seine Verwendung
DE102006033973A1 (de) * 2006-07-20 2008-01-24 Technische Universität Bergakademie Freiberg Nichtrostender austenitischer Stahlguss und seine Verwendung
JP5165236B2 (ja) * 2006-12-27 2013-03-21 新日鐵住金ステンレス株式会社 衝撃吸収特性に優れた構造部材用ステンレス鋼板
EP2163659B1 (de) * 2008-09-11 2016-06-08 Outokumpu Nirosta GmbH Nichtrostender Stahl, aus diesem Stahl hergestelltes Kaltband und Verfahren zur Herstellung eines Stahlflachprodukts aus diesem Stahl
JP2011219809A (ja) * 2010-04-08 2011-11-04 Honda Motor Co Ltd 高強度鋼板
IT1403129B1 (it) 2010-12-07 2013-10-04 Ct Sviluppo Materiali Spa Procedimento per la produzione di acciaio ad alto manganese con resistenza meccanica e formabilità elevate, ed acciaio così ottenibile.
JP5869922B2 (ja) * 2012-03-09 2016-02-24 新日鐵住金ステンレス株式会社 面内異方性が小さいフェライト・オーステナイト２相ステンレス鋼板およびその製造方法
FI127274B (en) * 2014-08-21 2018-02-28 Outokumpu Oy HIGH-STRENGTH AUSTENITE STAINLESS STEEL AND ITS PRODUCTION METHOD
CN105200340B (zh) * 2015-09-23 2020-11-17 宝钢德盛不锈钢有限公司 800～1600MPa级高强度奥氏体不锈钢及制造方法和温成型方法
CN106319343B (zh) * 2016-10-10 2021-08-17 宝钢德盛不锈钢有限公司 一种低成本的高强度不锈钢及其焊管制造方法
KR101903174B1 (ko) * 2016-12-13 2018-10-01 주식회사 포스코 강도 및 연성이 우수한 저합금 강판

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1323919A (en) * 1969-12-27 1973-07-18 Nisshin Steel Co Ltd Austenitic stainless steels
US3756807A (en) * 1970-01-13 1973-09-04 Nisshin Steel Co Ltd Austenitic stainless steels
JPS4827920A (de) * 1971-08-18 1973-04-13
JPS61124556A (ja) * 1984-11-20 1986-06-12 Kawasaki Steel Corp 低ニツケルオ−ステナイト系ステンレス鋼板およびその製造方法
US4946644A (en) * 1989-03-03 1990-08-07 Baltimore Specialty Steels Corporation Austenitic stainless steel with improved castability
US20130039802A1 (en) * 2010-05-06 2013-02-14 Outokumpu Oyj Low-nickel austenitic stainless steel and use of the steel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019059660A1 *

Also Published As

Publication number Publication date
CN111133122A (zh) 2020-05-08
EP3674435A1 (de) 2020-07-01
KR101952818B1 (ko) 2019-02-28
WO2019059660A1 (ko) 2019-03-28
CN111133122B (zh) 2022-08-16

Similar Documents

Publication Publication Date Title
EP3730636A4 (de) Hochfestes stahlblech mit hervorragender verarbeitbarkeit und verfahren zu seiner herstellung
ZA202003349B (en) Steel sheet having excellent toughness, ductility and strength, and manufacturing method thereof
EP3633058A4 (de) Hochfestes stahlblech und verfahren zu seiner herstellung
EP3561116C0 (de) Aluminiumlegierung plattiertes stahlmaterial mit hervorragender korrosionsbeständigkeit und verfahren zur herstellung davon
EP3733898A4 (de) Hochfestes kaltgewalztes stahlblech und verfahren zur herstellung davon
EP3719157A4 (de) Hochfestes galvanisiertes stahlblech und verfahren zur herstellung davon
PL3394300T3 (pl) Sposób wytwarzania blachy stalowej o wysokiej wytrzymałości, mającej ulepszoną ciągliwość i odkształcalność oraz otrzymana blacha stalowa
PL3653738T3 (pl) Sposób wytwarzania jakiejś powlekanej blachy stalowej o wysokiej wytrzymałości o ulepszonej ciągliwości i odkształcalności oraz wytworzona powlekana blacha stalowa
HUE071952T2 (hu) Hidegen hengerelt martenzites acéllemez és eljárás annak elõállítására
EP3721125C0 (de) Hochdruckrohr mit pultrudierten elementen und verfahren zu seiner herstellung
EP3719156A4 (de) Hochfestes galvanisiertes stahlblech und verfahren zur herstellung davon
EP3733897A4 (de) Hochfestes kaltgewalztes stahlblech und verfahren zur herstellung davon
EP3632586C0 (de) Stahlblech für warmpressformteil mit hervorragender plattierhaftung und verfahren zu seiner herstellung
EP3888907A4 (de) Korrosionsbeständiges schiffsverbundstahlblech und verfahren zu seiner herstellung
EP3647452A4 (de) Stahlblech mit ausgezeichneter beständigkeit gegen flüssigmetall-versprödungsrisse und verfahren zu seiner herstellung
PL3164515T3 (pl) Sposób wytwarzania blachy stalowej o wysokiej wytrzymałości mającej udoskonaloną odkształcalność i ciągliwość i uzyskana blacha
EP3674435A4 (de) Niedrig legiertes stahlblech mit ausgezeichneter festigkeit und duktilität und verfahren zu seiner herstellung
EP3828301C0 (de) Hochfestes stahlblech mit hervorragender schlagfestigkeitseigenschaft und verfahren zur herstellung davon
EP3395992A4 (de) Hochfestes warmgewalztes stahlblech mit hervorragender duktilität und herstellung davon
EP3395977A4 (de) Hochfestes kaltgewalztes stahlblech mit hervorragender duktilität, lochbildender eigenschaft und oberflächenbehandlungseigenschaft, geschmolzenes galvanisiertes stahlblech und verfahren zur herstellung davon
EP3730640A4 (de) Dicke stahlplatte mit ausgezeichneter tieftemperaturzähigkeit und verfahren zu ihrer herstellung
EP3901332C0 (de) Galvanisiertes stahlblech mit hervorragenden oberflächeneigenschaften und verfahren zu seiner herstellung
EP3839087C0 (de) Warmgewalztes und ungeglühtes ferritisches nichtrostendes stahlblech mit ausgezeichneter schlagzähigkeit und verfahren zu seiner herstellung
HUE049063T2 (hu) Eljárás növelt szilárdságú, képlékenységû és alakíthatóságú acéllemez gyártására
EP3578678A4 (de) Maraging-stahl und verfahren zur herstellung davon

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200324

A4 Supplementary search report drawn up and despatched

Effective date: 20200507

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO HOLDINGS INC.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO CO., LTD