KR102255827B1 - 표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법 - Google Patents

표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법 Download PDF

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KR102255827B1
KR102255827B1 KR1020190118927A KR20190118927A KR102255827B1 KR 102255827 B1 KR102255827 B1 KR 102255827B1 KR 1020190118927 A KR1020190118927 A KR 1020190118927A KR 20190118927 A KR20190118927 A KR 20190118927A KR 102255827 B1 KR102255827 B1 KR 102255827B1
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South Korea
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surface quality
slab
rolling
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KR1020190118927A
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English (en)
Korean (ko)
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KR20200047320A (ko
Inventor
김성규
하유미
이동호
이운해
Original Assignee
주식회사 포스코
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Priority to EP19877327.7A priority Critical patent/EP3872217A4/en
Priority to CN201980068253.3A priority patent/CN112888804A/zh
Priority to PCT/KR2019/014170 priority patent/WO2020085851A1/ko
Publication of KR20200047320A publication Critical patent/KR20200047320A/ko
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    • 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

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  • 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)
KR1020190118927A 2018-10-25 2019-09-26 표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법 KR102255827B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19877327.7A EP3872217A4 (en) 2018-10-25 2019-10-25 HIGH MANGANESE AUSTENITIC AUSTENITIC STAINLESS STEEL WITH EXCELLENT SURFACE QUALITY AND ASSOCIATED MANUFACTURING PROCESS
CN201980068253.3A CN112888804A (zh) 2018-10-25 2019-10-25 表面质量优异的超低温用奥氏体高锰钢材及其制备方法
PCT/KR2019/014170 WO2020085851A1 (ko) 2018-10-25 2019-10-25 표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180128501 2018-10-25
KR20180128501 2018-10-25

Publications (2)

Publication Number Publication Date
KR20200047320A KR20200047320A (ko) 2020-05-07
KR102255827B1 true KR102255827B1 (ko) 2021-05-26

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KR1020190118927A KR102255827B1 (ko) 2018-10-25 2019-09-26 표면품질이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법

Country Status (3)

Country Link
EP (1) EP3872217A4 (zh)
KR (1) KR102255827B1 (zh)
CN (1) CN112888804A (zh)

Families Citing this family (2)

* 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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011246817A (ja) 2003-07-22 2011-12-08 Arcelormittal France 強度を高められ、靱性に優れ、低温での成形に適した、鉄・炭素・マンガンのオーステナイト鋼板の製造方法並びにそのようにして製造された鋼板

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JPS5623259A (en) * 1979-08-03 1981-03-05 Sumitomo Metal Ind Ltd Nickel-free high manganese cast steel for low temperature use
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
WO2013095005A1 (ko) * 2011-12-23 2013-06-27 주식회사 포스코 비자성 고강도 고망간 강판 및 그 제조방법
KR101543916B1 (ko) * 2013-12-25 2015-08-11 주식회사 포스코 표면 가공 품질이 우수한 저온용강 및 그 제조 방법
KR20150075275A (ko) 2013-12-25 2015-07-03 주식회사 포스코 저온인성이 우수한 고망간 강판 및 그 제조방법
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
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KR101889187B1 (ko) * 2015-12-23 2018-08-16 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 제조방법
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KR101899692B1 (ko) * 2016-12-23 2018-09-17 주식회사 포스코 극저온용 오스테나이트계 고 망간 강 및 제조방법
CN107177786B (zh) * 2017-05-19 2018-12-21 东北大学 一种lng储罐用高锰中厚板的设计及其制造方法
CN108570541B (zh) * 2018-05-14 2020-07-10 东北大学 一种lng储罐用高锰中厚板的高温热处理方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011246817A (ja) 2003-07-22 2011-12-08 Arcelormittal France 強度を高められ、靱性に優れ、低温での成形に適した、鉄・炭素・マンガンのオーステナイト鋼板の製造方法並びにそのようにして製造された鋼板

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EP3872217A1 (en) 2021-09-01
KR20200047320A (ko) 2020-05-07
EP3872217A4 (en) 2021-09-01
CN112888804A (zh) 2021-06-01

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