EP3872216A4 - Kryogener austenitischer stahl mit hohem mangananteil und ausgezeichneter form und verfahren zur herstellung davon - Google Patents

Kryogener austenitischer stahl mit hohem mangananteil und ausgezeichneter form und verfahren zur herstellung davon Download PDF

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Publication number
EP3872216A4
EP3872216A4 EP19876795.6A EP19876795A EP3872216A4 EP 3872216 A4 EP3872216 A4 EP 3872216A4 EP 19876795 A EP19876795 A EP 19876795A EP 3872216 A4 EP3872216 A4 EP 3872216A4
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
EP19876795.6A
Other languages
English (en)
French (fr)
Other versions
EP3872216A1 (de
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/KR2019/014193 external-priority patent/WO2020085861A1/ko
Publication of EP3872216A4 publication Critical patent/EP3872216A4/de
Publication of EP3872216A1 publication Critical patent/EP3872216A1/de
Pending legal-status Critical Current

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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
    • C22C38/38—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
    • 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
    • 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)
EP19876795.6A 2018-10-25 2019-10-25 Kryogener austenitischer stahl mit hohem mangananteil und ausgezeichneter form und verfahren zur herstellung davon Pending EP3872216A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180128504 2018-10-25
KR1020190118925A KR102255826B1 (ko) 2018-10-25 2019-09-26 형상이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법
PCT/KR2019/014193 WO2020085861A1 (ko) 2018-10-25 2019-10-25 형상이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP3872216A4 true EP3872216A4 (de) 2021-09-01
EP3872216A1 EP3872216A1 (de) 2021-09-01

Family

ID=70733247

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19876795.6A Pending EP3872216A1 (de) 2018-10-25 2019-10-25 Kryogener austenitischer stahl mit hohem mangananteil und ausgezeichneter form und verfahren zur herstellung davon
EP19875536.5A Pending EP3872210A1 (de) 2018-10-25 2019-10-25 Kryogener austenitischer manganreicher stahl mit ausgezeichneter form und herstellungsverfahren dafür

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19875536.5A Pending EP3872210A1 (de) 2018-10-25 2019-10-25 Kryogener austenitischer manganreicher stahl mit ausgezeichneter form und herstellungsverfahren dafür

Country Status (3)

Country Link
EP (2) EP3872216A1 (de)
KR (2) KR102255826B1 (de)
CN (2) CN112912529A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230125288A (ko) * 2021-02-08 2023-08-29 제이에프이 스틸 가부시키가이샤 강재 및 그 제조 방법, 탱크 및 그 제조 방법
CA3236520A1 (en) * 2021-12-21 2023-06-29 Soon-Gi Lee Austenitic steel having excellent ultra-low temperature toughness in weld heat-affected zone, and manufacturing method therefor

Citations (7)

* 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
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
WO2017111510A1 (ko) * 2015-12-23 2017-06-29 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 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
WO2018117712A1 (ko) * 2016-12-22 2018-06-28 주식회사 포스코 저온인성 및 항복강도가 우수한 고 망간 강 및 제조 방법
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 (5)

* 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
US10655196B2 (en) * 2011-12-27 2020-05-19 Posco Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same
KR101344640B1 (ko) * 2012-01-31 2013-12-26 현대제철 주식회사 고강도 강판 및 그 제조 방법
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

Patent Citations (7)

* 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 (ko) * 2015-12-23 2017-06-29 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 제조방법
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
WO2018117712A1 (ko) * 2016-12-22 2018-06-28 주식회사 포스코 저온인성 및 항복강도가 우수한 고 망간 강 및 제조 방법
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
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 WO2020085861A1 *

Also Published As

Publication number Publication date
EP3872210A4 (de) 2021-09-01
EP3872210A1 (de) 2021-09-01
KR102255825B1 (ko) 2021-05-26
KR20200047318A (ko) 2020-05-07
KR20200047317A (ko) 2020-05-07
KR102255826B1 (ko) 2021-05-26
CN112912529A (zh) 2021-06-04
EP3872216A1 (de) 2021-09-01
CN112930415A (zh) 2021-06-08

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