EP3872217A4 - Acier inoxydable austénitique cryogénique à haute teneur en manganèse présentant une excellente qualité de surface et procédé de fabrication associé - Google Patents

Acier inoxydable austénitique cryogénique à haute teneur en manganèse présentant une excellente qualité de surface et procédé de fabrication associé Download PDF

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Publication number
EP3872217A4
EP3872217A4 EP19877327.7A EP19877327A EP3872217A4 EP 3872217 A4 EP3872217 A4 EP 3872217A4 EP 19877327 A EP19877327 A EP 19877327A EP 3872217 A4 EP3872217 A4 EP 3872217A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
surface quality
method therefor
excellent surface
manganese 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.)
Pending
Application number
EP19877327.7A
Other languages
German (de)
English (en)
Other versions
EP3872217A1 (fr
Inventor
Sung-Kyu Kim
Yu-Mi Ha
Dong-Ho Lee
Un-Hae LEE
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/KR2019/014170 external-priority patent/WO2020085851A1/fr
Publication of EP3872217A4 publication Critical patent/EP3872217A4/fr
Publication of EP3872217A1 publication Critical patent/EP3872217A1/fr
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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous 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
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—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 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
    • C22C38/06—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
    • 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
    • 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)
EP19877327.7A 2018-10-25 2019-10-25 Acier inoxydable austénitique cryogénique à haute teneur en manganèse présentant une excellente qualité de surface et procédé de fabrication associé Pending EP3872217A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180128501 2018-10-25
KR1020190118927A KR102255827B1 (ko) 2018-10-25 2019-09-26 표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법
PCT/KR2019/014170 WO2020085851A1 (fr) 2018-10-25 2019-10-25 Acier inoxydable austénitique cryogénique à haute teneur en manganèse présentant une excellente qualité de surface et procédé de fabrication associé

Publications (2)

Publication Number Publication Date
EP3872217A4 true EP3872217A4 (fr) 2021-09-01
EP3872217A1 EP3872217A1 (fr) 2021-09-01

Family

ID=70733248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19877327.7A Pending EP3872217A1 (fr) 2018-10-25 2019-10-25 Acier inoxydable austénitique cryogénique à haute teneur en manganèse présentant une excellente qualité de surface et procédé de fabrication associé

Country Status (3)

Country Link
EP (1) EP3872217A1 (fr)
KR (1) KR102255827B1 (fr)
CN (1) CN112888804A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114888075B (zh) * 2022-04-13 2024-06-07 大冶特殊钢有限公司 一种钎具用80Mn14Ti钎芯的轧制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113637908B (zh) * 2021-07-30 2023-05-12 河钢股份有限公司 一种大厚度低温环境用高锰钢板及其生产方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623259A (en) * 1979-08-03 1981-03-05 Sumitomo Metal Ind Ltd Nickel-free high manganese cast steel for low temperature use
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 (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
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

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JP2978427B2 (ja) * 1995-05-22 1999-11-15 株式会社神戸製鋼所 極低温用高Ｍｎ非磁性鋼及び製造方法
KR20000041265A (ko) * 1998-12-22 2000-07-15 이구택 표면스켑결함과 크랙결함을 동시에 방지하는 미니밀공정에 의한고망간강 열연강판의 제조방법
FR2857980B1 (fr) * 2003-07-22 2006-01-13 Usinor Procede de fabrication de toles d'acier austenitique fer-carbone-manganese, a haute resistance, excellente tenacite et aptitude a la mise en forme a froid, et toles ainsi produites
WO2013095005A1 (fr) * 2011-12-23 2013-06-27 주식회사 포스코 Feuille d'acier à haute teneur en manganèse, non magnétique, ayant une haute résistance et son procédé de fabrication
KR20150075275A (ko) 2013-12-25 2015-07-03 주식회사 포스코 저온인성이 우수한 고망간 강판 및 그 제조방법
KR101543916B1 (ko) * 2013-12-25 2015-08-11 주식회사 포스코 표면 가공 품질이 우수한 저온용강 및 그 제조 방법
KR101665821B1 (ko) * 2014-12-24 2016-10-13 주식회사 포스코 표면 가공 품질이 우수한 저온용 강판 및 그 제조방법
JP6703608B2 (ja) * 2015-12-22 2020-06-03 ポスコＰｏｓｃｏ 耐水素脆化性に優れたオーステナイト系鋼材
KR101889187B1 (ko) * 2015-12-23 2018-08-16 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 제조방법

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623259A (en) * 1979-08-03 1981-03-05 Sumitomo Metal Ind Ltd Nickel-free high manganese cast steel for low temperature use
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
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 (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
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 WO2020085851A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114888075B (zh) * 2022-04-13 2024-06-07 大冶特殊钢有限公司 一种钎具用80Mn14Ti钎芯的轧制方法

Also Published As

Publication number Publication date
KR20200047320A (ko) 2020-05-07
KR102255827B1 (ko) 2021-05-26
EP3872217A1 (fr) 2021-09-01
CN112888804A (zh) 2021-06-01

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