EP3556880A4 - HOT-ROLLED FERRINGELSTAHLBLECH AND MANUFACTURING METHOD THEREFOR - Google Patents

HOT-ROLLED FERRINGELSTAHLBLECH AND MANUFACTURING METHOD THEREFOR Download PDF

Info

Publication number
EP3556880A4
EP3556880A4 EP18745041.6A EP18745041A EP3556880A4 EP 3556880 A4 EP3556880 A4 EP 3556880A4 EP 18745041 A EP18745041 A EP 18745041A EP 3556880 A4 EP3556880 A4 EP 3556880A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
production method
rolled steel
method therefor
ferrite stainless
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
EP18745041.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3556880A1 (en
Inventor
Masataka Yoshino
Mitsuyuki Fujisawa
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.)
JFE Steel Corp
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 EP3556880A1 publication Critical patent/EP3556880A1/en
Publication of EP3556880A4 publication Critical patent/EP3556880A4/en
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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D8/0247—Modifying the physical properties 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 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
    • C21D9/46—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
    • C22C38/001—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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/18—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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)
  • 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)
EP18745041.6A 2017-01-26 2018-01-12 HOT-ROLLED FERRINGELSTAHLBLECH AND MANUFACTURING METHOD THEREFOR Pending EP3556880A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017012545 2017-01-26
PCT/JP2018/000559 WO2018139207A1 (ja) 2017-01-26 2018-01-12 フェライト系ステンレス熱延鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
EP3556880A1 EP3556880A1 (en) 2019-10-23
EP3556880A4 true EP3556880A4 (en) 2019-12-04

Family

ID=62979289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18745041.6A Pending EP3556880A4 (en) 2017-01-26 2018-01-12 HOT-ROLLED FERRINGELSTAHLBLECH AND MANUFACTURING METHOD THEREFOR

Country Status (7)

Country Link
US (1) US20200002779A1 (ko)
EP (1) EP3556880A4 (ko)
JP (1) JP6384640B1 (ko)
KR (1) KR102274976B1 (ko)
CN (1) CN110225988B (ko)
MX (1) MX2019008874A (ko)
WO (1) WO2018139207A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2018009591A (es) 2016-02-08 2018-09-11 Jfe Steel Corp Tubo de acero inoxidable sin soldadura de alta resistencia para articulos tubulares para la industria del petroleo y metodo de fabricacion de tubo de acero inoxidable sin soldadura de alta resistencia.
JP6699670B2 (ja) * 2016-09-02 2020-05-27 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼
JP6418338B2 (ja) 2016-09-02 2018-11-07 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼
KR102400403B1 (ko) * 2016-12-21 2022-05-23 제이에프이 스틸 가부시키가이샤 페라이트계 스테인리스 강
BR112019013803A2 (pt) 2017-01-13 2020-01-21 Jfe Steel Corp tubo de aço inoxidável sem costura de alta resistência e método de produção do mesmo
US11306369B2 (en) 2017-02-24 2022-04-19 Jfe Steel Corporation High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same
ES2864725T3 (es) 2017-03-30 2021-10-14 Jfe Steel Corp Acero inoxidable ferrítico
KR102337567B1 (ko) * 2017-05-26 2021-12-08 제이에프이 스틸 가부시키가이샤 페라이트계 스테인리스강
WO2020194484A1 (ja) * 2019-03-26 2020-10-01 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼板およびその製造方法
CN115466901B (zh) * 2022-06-15 2023-05-26 福建青拓特钢技术研究有限公司 圆珠笔头用低钼无σ相析出的超纯铁素体不锈钢及其生产方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199237A (ja) * 1995-01-25 1996-08-06 Nisshin Steel Co Ltd 低温靭性に優れたフェライト系ステンレス熱延鋼帯の製造方法
JPH09174114A (ja) * 1995-12-27 1997-07-08 Kawasaki Steel Corp 表面が滑らかな高Ｃｒフェライト系ステンレス熱延薄鋼板の製造方法
JP2001181798A (ja) * 1999-12-20 2001-07-03 Kawasaki Steel Corp 曲げ加工性に優れたフェライト系ステンレス熱延鋼板およびその製造方法ならびに冷延鋼板の製造方法
JP2009068034A (ja) * 2007-09-11 2009-04-02 Jfe Steel Kk 伸びフランジ加工性に優れたフェライト系ステンレス鋼板およびその製造方法
JP2015190025A (ja) * 2014-03-28 2015-11-02 新日鐵住金ステンレス株式会社 靭性に優れたフェライト系ステンレス熱延鋼板および鋼帯
EP2980251A1 (en) * 2013-03-27 2016-02-03 Nippon Steel & Sumikin Stainless Steel Corporation Hot-rolled ferritic stainless-steel plate, process for producing same, and steel strip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4400058B2 (ja) * 2003-02-13 2010-01-20 Ｊｆｅスチール株式会社 スピニング加工性に優れたフェライト系ステンレス鋼溶接管
JP5196807B2 (ja) * 2007-02-26 2013-05-15 新日鐵住金ステンレス株式会社 加工肌荒れの小さい成形性に優れたフェライト系ステンレス鋼板およびその製造方法
JP5737952B2 (ja) 2011-01-05 2015-06-17 日新製鋼株式会社 Ｎｂ含有フェライト系ステンレス鋼熱延コイルおよび製造法
TWI504763B (zh) * 2012-10-30 2015-10-21 Nippon Steel & Sumikin Sst High-heat-resistant fat iron-based stainless steel plate
WO2014142302A1 (ja) * 2013-03-14 2014-09-18 新日鐵住金ステンレス株式会社 時効熱処理後の強度増加が小さいフェライト系ステンレス鋼板及びその製造方法
JP5908936B2 (ja) * 2014-03-26 2016-04-26 新日鐵住金ステンレス株式会社 フランジ用フェライト系ステンレス鋼板とその製造方法およびフランジ部品
EP3486347B1 (en) * 2016-10-17 2020-10-21 JFE Steel Corporation Hot-rolled and annealed ferritic stainless steel sheet and method for producing same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199237A (ja) * 1995-01-25 1996-08-06 Nisshin Steel Co Ltd 低温靭性に優れたフェライト系ステンレス熱延鋼帯の製造方法
JPH09174114A (ja) * 1995-12-27 1997-07-08 Kawasaki Steel Corp 表面が滑らかな高Ｃｒフェライト系ステンレス熱延薄鋼板の製造方法
JP2001181798A (ja) * 1999-12-20 2001-07-03 Kawasaki Steel Corp 曲げ加工性に優れたフェライト系ステンレス熱延鋼板およびその製造方法ならびに冷延鋼板の製造方法
JP2009068034A (ja) * 2007-09-11 2009-04-02 Jfe Steel Kk 伸びフランジ加工性に優れたフェライト系ステンレス鋼板およびその製造方法
EP2980251A1 (en) * 2013-03-27 2016-02-03 Nippon Steel & Sumikin Stainless Steel Corporation Hot-rolled ferritic stainless-steel plate, process for producing same, and steel strip
JP2015190025A (ja) * 2014-03-28 2015-11-02 新日鐵住金ステンレス株式会社 靭性に優れたフェライト系ステンレス熱延鋼板および鋼帯

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018139207A1 *

Also Published As

Publication number Publication date
CN110225988B (zh) 2021-09-07
KR102274976B1 (ko) 2021-07-07
MX2019008874A (es) 2019-09-18
WO2018139207A1 (ja) 2018-08-02
CN110225988A (zh) 2019-09-10
KR20190102028A (ko) 2019-09-02
EP3556880A1 (en) 2019-10-23
JP6384640B1 (ja) 2018-09-05
JPWO2018139207A1 (ja) 2019-01-31
US20200002779A1 (en) 2020-01-02

Similar Documents

Publication Publication Date Title
EP3480329A4 (en) FERRITIC STAINLESS STEEL PLATE AND METHOD OF MANUFACTURING THEREOF
EP3556880A4 (en) HOT-ROLLED FERRINGELSTAHLBLECH AND MANUFACTURING METHOD THEREFOR
EP3486346A4 (en) STEEL SHEET AND METHOD FOR PRODUCING SAME
EP3650569A4 (en) HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING ITEM
EP3276022A4 (en) Cold-rolled steel sheet and manufacturing method therefor
EP3279353A4 (en) Hot-rolled steel sheet and method for producing same
EP3112488A4 (en) High-strength hot-rolled steel sheet and manufacturing method therefor
EP3633058A4 (en) HIGH STRENGTH STEEL SHEET AND METHOD FOR ITS MANUFACTURING
EP3862452A4 (en) Austenitic stainless steel sheet and method for producing same
EP3633059A4 (en) NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING SAME
EP3584340A4 (en) SHEET STEEL AND ITS MANUFACTURING PROCESS
EP3121304A4 (en) Ferritic stainless steel and production method therefor
EP3705587A4 (en) PLANT AND PROCESS FOR THE PRODUCTION OF THICK STEEL SHEET
EP3358030A4 (en) AUSTENITIC STAINLESS STEEL AND PROCESS FOR PRODUCING THE SAME
EP3486347A4 (en) HOT-ROLLED AND CURVED FERRITIC STAINLESS STEEL PLATE AND METHOD FOR THE PRODUCTION THEREOF
EP3098330A4 (en) Material for cold-rolled stainless steel sheet and method for producing same
EP3263720A4 (en) Grain-oriented electrical steel sheet and production method therefor
EP3358041A4 (en) CORNORATED ELECTROMAGNETIC STEEL PLATE AND METHOD FOR THE PRODUCTION OF CORNORIENTED ELECTROMAGNETIC STEEL PLATE
EP3572545A4 (en) NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING THE SAME
EP3492613A4 (en) HOT-ROLLED STEEL PLATE FOR CORNORATED MAGNETIC STEEL PLATE AND METHOD OF MANUFACTURING THEREOF, AND METHOD FOR PRODUCING CORNORATED MAGNETIC STEEL PLATE
EP3715494A4 (en) HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING ITSELF
EP3591080A4 (en) ORIENTED GRAIN ELECTRIC STEEL SHEET AND METHOD FOR PRODUCING SAME
EP3778975A4 (en) HIGH STRENGTH STEEL SHEET AND MANUFACTURING METHOD FOR IT
EP3604596A4 (en) FERRITE-BASED STAINLESS STEEL SHEET WITH LOW SPECIFIC WEIGHT AND MANUFACTURING METHOD THEREFOR
EP3683324A4 (en) AUSTENITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING THEREOF

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: 20190716

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

A4 Supplementary search report drawn up and despatched

Effective date: 20191107

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/02 20060101ALI20191031BHEP

Ipc: C22C 38/48 20060101ALI20191031BHEP

Ipc: C22C 38/54 20060101ALI20191031BHEP

Ipc: C22C 38/02 20060101ALI20191031BHEP

Ipc: C21D 6/02 20060101ALI20191031BHEP

Ipc: C22C 38/46 20060101ALI20191031BHEP

Ipc: C21D 9/46 20060101ALI20191031BHEP

Ipc: C22C 38/42 20060101ALI20191031BHEP

Ipc: C22C 38/00 20060101AFI20191031BHEP

Ipc: C22C 38/44 20060101ALI20191031BHEP

Ipc: C22C 38/06 20060101ALI20191031BHEP

Ipc: C21D 6/00 20060101ALI20191031BHEP

Ipc: C22C 38/04 20060101ALI20191031BHEP

Ipc: C22C 38/50 20060101ALI20191031BHEP

Ipc: C22C 38/52 20060101ALI20191031BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)