EP3575428A4 - Steel material, and steel material manufacturing method - Google Patents

Steel material, and steel material manufacturing method Download PDF

Info

Publication number
EP3575428A4
EP3575428A4 EP18745316.2A EP18745316A EP3575428A4 EP 3575428 A4 EP3575428 A4 EP 3575428A4 EP 18745316 A EP18745316 A EP 18745316A EP 3575428 A4 EP3575428 A4 EP 3575428A4
Authority
EP
European Patent Office
Prior art keywords
steel material
manufacturing
material manufacturing
steel
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.)
Withdrawn
Application number
EP18745316.2A
Other languages
German (de)
French (fr)
Other versions
EP3575428A1 (en
Inventor
Shinji Yoshida
Yuji Arai
Atsushi Soma
Hiroki KAMITANI
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3575428A1 publication Critical patent/EP3575428A1/en
Publication of EP3575428A4 publication Critical patent/EP3575428A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP18745316.2A 2017-01-24 2018-01-22 Steel material, and steel material manufacturing method Withdrawn EP3575428A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017009977 2017-01-24
PCT/JP2018/001750 WO2018139400A1 (en) 2017-01-24 2018-01-22 Steel material, and steel material manufacturing method

Publications (2)

Publication Number Publication Date
EP3575428A1 EP3575428A1 (en) 2019-12-04
EP3575428A4 true EP3575428A4 (en) 2020-07-22

Family

ID=62978210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18745316.2A Withdrawn EP3575428A4 (en) 2017-01-24 2018-01-22 Steel material, and steel material manufacturing method

Country Status (10)

Country Link
US (1) US20190376167A1 (en)
EP (1) EP3575428A4 (en)
JP (1) JP6747524B2 (en)
CN (1) CN110234779A (en)
AU (1) AU2018213593A1 (en)
BR (1) BR112019014676A2 (en)
CA (1) CA3049859A1 (en)
MX (1) MX2019008642A (en)
RU (1) RU2725389C1 (en)
WO (1) WO2018139400A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105002425B (en) * 2015-06-18 2017-12-22 宝山钢铁股份有限公司 Superhigh intensity superhigh tenacity oil casing pipe steel, petroleum casing pipe and its manufacture method
JP6950519B2 (en) * 2017-12-25 2021-10-13 日本製鉄株式会社 Steel materials, steel pipes for oil wells, and manufacturing methods for steel materials
JP6947012B2 (en) * 2017-12-25 2021-10-13 日本製鉄株式会社 Steel materials, steel pipes for oil wells, and manufacturing methods for steel materials
AR114708A1 (en) * 2018-03-26 2020-10-07 Nippon Steel & Sumitomo Metal Corp STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT
CN113710823B (en) 2019-04-11 2023-06-13 日本制铁株式会社 Steel sheet and method for producing same
CN111910055A (en) * 2020-07-08 2020-11-10 东莞首嘉制管有限公司 Internal and external fine-pumping steel pipe and processing technology thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403970A1 (en) * 2009-03-03 2012-01-11 Vallourec Mannesmann Oil&Gas France Low alloy steel with a high yield strength and high sulphide stress cracking resistance
JP2012026030A (en) * 2010-06-21 2012-02-09 Jfe Steel Corp Steel pipes for oil well use excellent in sulfide stress cracking resistance, and manufacturing method of the same
EP2865775A1 (en) * 2012-06-20 2015-04-29 Nippon Steel & Sumitomo Metal Corporation Steel for oil well pipe, and method for producing same
WO2016093161A1 (en) * 2014-12-12 2016-06-16 新日鐵住金株式会社 Low-alloy steel for oil well tubular, and method for manufacturing low-alloy steel oil well tubular

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59232220A (en) 1983-06-14 1984-12-27 Sumitomo Metal Ind Ltd Manufacture of high strength steel with superior resistance to sulfide corrosion cracking
JPS60187664A (en) * 1984-03-01 1985-09-25 Nippon Steel Corp Electric welded oil well pipe having low hardness and high yield strength and its production
JPH06104849B2 (en) 1986-04-25 1994-12-21 新日本製鐵株式会社 Method for producing low alloy high strength oil well steel excellent in sulfide stress cracking resistance
JP3358135B2 (en) 1993-02-26 2002-12-16 新日本製鐵株式会社 High strength steel excellent in sulfide stress cracking resistance and method of manufacturing the same
JP3332599B2 (en) * 1994-09-07 2002-10-07 花王株式会社 Bleach and bleach detergent composition
JP3416857B2 (en) * 1994-09-12 2003-06-16 住友金属工業株式会社 Steel with excellent hydrogen embrittlement resistance and method for producing the same
JP3755163B2 (en) 1995-05-15 2006-03-15 住友金属工業株式会社 Manufacturing method of high-strength seamless steel pipe with excellent resistance to sulfide stress cracking
JPH1150148A (en) * 1997-08-06 1999-02-23 Sumitomo Metal Ind Ltd Production of high strength and high corrosion resistance seamless steel pipe
JP3493153B2 (en) * 1999-01-12 2004-02-03 株式会社神戸製鋼所 Wire or steel bars and machine parts with excellent cold workability
JP2000256783A (en) 1999-03-11 2000-09-19 Sumitomo Metal Ind Ltd High strength steel for oil well excellent in toughness and sulfide stress corrosion cracking resistance and its production
JP4058840B2 (en) 1999-04-09 2008-03-12 住友金属工業株式会社 Oil well steel excellent in toughness and sulfide stress corrosion cracking resistance and method for producing the same
JP4140556B2 (en) * 2004-06-14 2008-08-27 住友金属工業株式会社 Low alloy steel for oil well pipes with excellent resistance to sulfide stress cracking
JP4027956B2 (en) * 2006-01-23 2007-12-26 株式会社神戸製鋼所 High strength spring steel having excellent brittle fracture resistance and method for producing the same
UA90948C2 (en) * 2007-03-30 2010-06-10 Сумитомо Мэтал Индастриз, Лтд. Low-alloyed steel for oil-gas-field pipes (variants) and seamless steel pipe
JP5728836B2 (en) * 2009-06-24 2015-06-03 Ｊｆｅスチール株式会社 Manufacturing method of high strength seamless steel pipe for oil wells with excellent resistance to sulfide stress cracking
JP5662894B2 (en) * 2011-07-27 2015-02-04 株式会社神戸製鋼所 Steel material for the upper deck of crude oil tankers with excellent corrosion resistance or cargo for bulk carriers
JP2013129879A (en) * 2011-12-22 2013-07-04 Jfe Steel Corp High-strength seamless steel tube for oil well with superior sulfide stress cracking resistance, and method for producing the same
ES2644357T3 (en) * 2012-09-26 2017-11-28 Nippon Steel & Sumitomo Metal Corporation  Dual phase steel sheet and process for its production
MX2015005321A (en) * 2012-11-05 2015-07-14 Nippon Steel & Sumitomo Metal Corp Low-alloy steel for oil well pipes which has excellent sulfide stress cracking resistance, and method for manufacturing low-alloy steel for oil well pipes.
EP2947167B1 (en) * 2013-01-16 2016-12-07 JFE Steel Corporation Stainless steel seamless tube for use in oil well and manufacturing process therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403970A1 (en) * 2009-03-03 2012-01-11 Vallourec Mannesmann Oil&Gas France Low alloy steel with a high yield strength and high sulphide stress cracking resistance
JP2012026030A (en) * 2010-06-21 2012-02-09 Jfe Steel Corp Steel pipes for oil well use excellent in sulfide stress cracking resistance, and manufacturing method of the same
EP2865775A1 (en) * 2012-06-20 2015-04-29 Nippon Steel & Sumitomo Metal Corporation Steel for oil well pipe, and method for producing same
WO2016093161A1 (en) * 2014-12-12 2016-06-16 新日鐵住金株式会社 Low-alloy steel for oil well tubular, and method for manufacturing low-alloy steel oil well tubular
EP3231884A1 (en) * 2014-12-12 2017-10-18 Nippon Steel & Sumitomo Metal Corporation Low-alloy steel for oil well tubular, and method for manufacturing low-alloy steel oil well tubular

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018139400A1 *

Also Published As

Publication number Publication date
JPWO2018139400A1 (en) 2019-11-07
EP3575428A1 (en) 2019-12-04
RU2725389C1 (en) 2020-07-02
AU2018213593A1 (en) 2019-08-01
MX2019008642A (en) 2019-09-23
JP6747524B2 (en) 2020-08-26
WO2018139400A1 (en) 2018-08-02
CA3049859A1 (en) 2018-08-02
BR112019014676A2 (en) 2020-05-26
US20190376167A1 (en) 2019-12-12
CN110234779A (en) 2019-09-13

Similar Documents

Publication Publication Date Title
EP3617337A4 (en) HIGH-Mn STEEL AND PRODUCTION METHOD THEREFOR
EP3150737A4 (en) Heat-treated steel material and method for producing same
EP3312299A4 (en) Steel sheet and manufacturing method
EP3150736A4 (en) Heat-treated steel material and method for producing same
EP3269895A4 (en) Metal roofing material, and roofing structure and roofing method using same
EP3584340A4 (en) Steel sheet and manufacturing method therefor
EP3342951A4 (en) Metal roofing material and roofing method
EP3318548A4 (en) Hydrochlorofluoroolefin production method and 2,3,3,3-tetrafluoropropene production method
EP3575428A4 (en) Steel material, and steel material manufacturing method
EP3260479A4 (en) Low-temperature-curable cross-section repair material, and cross-section repair method using same
EP3653745A4 (en) High-strength steel sheet and manufacturing method thereof
EP3677700A4 (en) High-mn steel and production method therefor
EP3722448A4 (en) High-mn steel and method for manufacturing same
EP3360984A4 (en) Nitrided steel component and manufacturing method thereof
EP3610980A4 (en) Method for manufacturing metal product, and metal product
EP3382121A4 (en) Metal roofing material, and roofing structure and roofing method using same
EP3617336A4 (en) High strength steel sheet and method for manufacturing same
EP3578678A4 (en) Maraging steel and method for manufacturing same
EP3521464A4 (en) Slide material and method for manufacturing same, and slide member
EP3395997A4 (en) Low-yield-ratio type high-strength steel, and manufacturing method therefor
EP3696228A4 (en) Surface modification composition, modified object, and production method therefor
EP3670132A4 (en) Tire production method, and tire
EP3564969A4 (en) Bonding material, and bonding method using same
EP3569402A4 (en) Composite material and method for manufacturing composite material
GB2555478B (en) Bearing material, bearing and method

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20190729

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

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

A4 Supplementary search report drawn up and despatched

Effective date: 20200624

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/28 20060101ALI20200618BHEP

Ipc: C22C 38/32 20060101ALI20200618BHEP

Ipc: C22C 38/04 20060101ALI20200618BHEP

Ipc: C22C 38/02 20060101ALI20200618BHEP

Ipc: C22C 38/00 20060101AFI20200618BHEP

Ipc: C21D 6/00 20060101ALI20200618BHEP

Ipc: C22C 38/06 20060101ALI20200618BHEP

Ipc: C21D 8/10 20060101ALI20200618BHEP

Ipc: C22C 38/22 20060101ALI20200618BHEP

Ipc: C22C 38/26 20060101ALI20200618BHEP

Ipc: C21D 9/08 20060101ALI20200618BHEP

Ipc: C22C 38/24 20060101ALI20200618BHEP

Ipc: C22C 38/54 20060101ALI20200618BHEP

18W Application withdrawn

Effective date: 20200710