EP3872210A4 - Acier austénitique cryogénique à haute teneur en manganèse ayant une forme excellente, et son procédé de fabrication - Google Patents

Acier austénitique cryogénique à haute teneur en manganèse ayant une forme excellente, et son procédé de fabrication Download PDF

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Publication number
EP3872210A4
EP3872210A4 EP19875536.5A EP19875536A EP3872210A4 EP 3872210 A4 EP3872210 A4 EP 3872210A4 EP 19875536 A EP19875536 A EP 19875536A EP 3872210 A4 EP3872210 A4 EP 3872210A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
method therefor
manganese steel
excellent shape
austenitic high
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
EP19875536.5A
Other languages
German (de)
English (en)
Other versions
EP3872210A1 (fr
Inventor
Un-Hae LEE
Bo-Sung Kim
Jeong-Hun SEOK
Dong-Ho Lee
Sung-Kyu Kim
Sang-Deok Kang
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
Priority claimed from PCT/KR2019/014188 external-priority patent/WO2020085858A1/fr
Publication of EP3872210A1 publication Critical patent/EP3872210A1/fr
Publication of EP3872210A4 publication Critical patent/EP3872210A4/fr
Pending legal-status Critical Current

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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
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • 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
    • C21D8/0221—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
    • 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
    • C21D8/0231—Warm 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 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
    • 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
    • C22C38/06—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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2211/001—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 Steel (AREA)
EP19875536.5A 2018-10-25 2019-10-25 Acier austénitique cryogénique à haute teneur en manganèse ayant une forme excellente, et son procédé de fabrication Pending EP3872210A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180128504 2018-10-25
KR1020190118924A KR102255825B1 (ko) 2018-10-25 2019-09-26 형상이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법
PCT/KR2019/014188 WO2020085858A1 (fr) 2018-10-25 2019-10-25 Acier austénitique cryogénique à haute teneur en manganèse ayant une forme excellente, et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3872210A1 EP3872210A1 (fr) 2021-09-01
EP3872210A4 true EP3872210A4 (fr) 2021-09-01

Family

ID=70733247

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19875536.5A Pending EP3872210A4 (fr) 2018-10-25 2019-10-25 Acier austénitique cryogénique à haute teneur en manganèse ayant une forme excellente, et son procédé de fabrication
EP19876795.6A Pending EP3872216A1 (fr) 2018-10-25 2019-10-25 Acier austénitique cryogénique à haute teneur en manganèse ayant une excellente forme, et procédé de fabrication associé

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19876795.6A Pending EP3872216A1 (fr) 2018-10-25 2019-10-25 Acier austénitique cryogénique à haute teneur en manganèse ayant une excellente forme, et procédé de fabrication associé

Country Status (3)

Country Link
EP (2) EP3872210A4 (fr)
KR (2) KR102255825B1 (fr)
CN (2) CN112912529A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4249621A4 (fr) * 2021-02-08 2024-06-05 JFE Steel Corporation Matériau d'acier et son procédé de production, ainsi que réservoir et son procédé de production
WO2023121221A1 (fr) * 2021-12-21 2023-06-29 주식회사 포스코 Acier austénitique ayant une excellente résistance au froid extrême dans une zone de soudage thermiquement affectée, et son procédé de fabrication

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007126715A (ja) * 2005-11-04 2007-05-24 Sumitomo Metal Ind Ltd 高Ｍｎ鋼材及びその製造方法
WO2017111510A1 (fr) * 2015-12-23 2017-06-29 주식회사 포스코 Matériau d'acier non magnétique ayant une excellente aptitude au façonnage à chaud et son procédé de fabrication
CN107177786A (zh) * 2017-05-19 2017-09-19 东北大学 一种lng储罐用高锰中厚板的设计及其制造方法
CN107620010A (zh) * 2017-10-18 2018-01-23 舞阳钢铁有限责任公司 一种低屈强比高韧性高锰钢板及其生产方法
CN107881432A (zh) * 2017-10-13 2018-04-06 舞阳钢铁有限责任公司 低成本超低温压力容器用钢板及其生产方法
WO2018117712A1 (fr) * 2016-12-22 2018-06-28 주식회사 포스코 Acier à teneur élevée en manganèse ayant une ténacité à basse température et une limite d'élasticité supérieures et procédé de fabrication
KR20180074450A (ko) * 2016-12-23 2018-07-03 주식회사 포스코 극저온용 오스테나이트계 고 망간 강 및 제조방법
CN108570541A (zh) * 2018-05-14 2018-09-25 东北大学 一种lng储罐用高锰中厚板的高温热处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940007374B1 (ko) 1992-07-24 1994-08-16 포항종합제철 주식회사 성형성, 강도 및 용접성이 우수한 오스테나이트계 고 망간강과 그 제조방법
EP2799571B1 (fr) * 2011-12-27 2021-04-07 Posco Acier austénitique présentant une usinabilité et une résistance aux températures cryogéniques améliorées dans des zones affectées par la température de soudage, et procédé de production correspondant
KR101344640B1 (ko) * 2012-01-31 2013-12-26 현대제철 주식회사 고강도 강판 및 그 제조 방법
CN106222554A (zh) * 2016-08-23 2016-12-14 南京钢铁股份有限公司 一种经济型超低温用钢及其制备方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007126715A (ja) * 2005-11-04 2007-05-24 Sumitomo Metal Ind Ltd 高Ｍｎ鋼材及びその製造方法
WO2017111510A1 (fr) * 2015-12-23 2017-06-29 주식회사 포스코 Matériau d'acier non magnétique ayant une excellente aptitude au façonnage à chaud et son procédé de fabrication
WO2018117712A1 (fr) * 2016-12-22 2018-06-28 주식회사 포스코 Acier à teneur élevée en manganèse ayant une ténacité à basse température et une limite d'élasticité supérieures et procédé de fabrication
KR20180074450A (ko) * 2016-12-23 2018-07-03 주식회사 포스코 극저온용 오스테나이트계 고 망간 강 및 제조방법
CN107177786A (zh) * 2017-05-19 2017-09-19 东北大学 一种lng储罐用高锰中厚板的设计及其制造方法
CN107881432A (zh) * 2017-10-13 2018-04-06 舞阳钢铁有限责任公司 低成本超低温压力容器用钢板及其生产方法
CN107620010A (zh) * 2017-10-18 2018-01-23 舞阳钢铁有限责任公司 一种低屈强比高韧性高锰钢板及其生产方法
CN108570541A (zh) * 2018-05-14 2018-09-25 东北大学 一种lng储罐用高锰中厚板的高温热处理方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020085858A1 *

Also Published As

Publication number Publication date
EP3872216A4 (fr) 2021-09-01
KR20200047318A (ko) 2020-05-07
EP3872210A1 (fr) 2021-09-01
KR20200047317A (ko) 2020-05-07
CN112930415A (zh) 2021-06-08
KR102255826B1 (ko) 2021-05-26
CN112912529A (zh) 2021-06-04
KR102255825B1 (ko) 2021-05-26
EP3872216A1 (fr) 2021-09-01

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