KR102376351B1 - 강판 및 그것의 제조 방법 - Google Patents

강판 및 그것의 제조 방법 Download PDF

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Publication number
KR102376351B1
KR102376351B1 KR1020217033103A KR20217033103A KR102376351B1 KR 102376351 B1 KR102376351 B1 KR 102376351B1 KR 1020217033103 A KR1020217033103 A KR 1020217033103A KR 20217033103 A KR20217033103 A KR 20217033103A KR 102376351 B1 KR102376351 B1 KR 102376351B1
Authority
KR
South Korea
Prior art keywords
steel sheet
steel
less
content
ferrite
Prior art date
Application number
KR1020217033103A
Other languages
English (en)
Korean (ko)
Other versions
KR20210129236A (ko
Inventor
게이스케 나카이
히로히사 다나베
요시아키 신타쿠
기요타카 나카시마
신고 나카무라
Original Assignee
닛폰세이테츠 가부시키가이샤
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.)
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Publication date
Application filed by 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20210129236A publication Critical patent/KR20210129236A/ko
Application granted granted Critical
Publication of KR102376351B1 publication Critical patent/KR102376351B1/ko

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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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • C21D8/0221—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
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/005—Ferrite

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)
  • Heat Treatment Of Sheet Steel (AREA)
  • Continuous Casting (AREA)
KR1020217033103A 2019-03-14 2020-03-12 강판 및 그것의 제조 방법 KR102376351B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-047573 2019-03-14
JP2019047573 2019-03-14
PCT/JP2020/010944 WO2020184683A1 (ja) 2019-03-14 2020-03-12 鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
KR20210129236A KR20210129236A (ko) 2021-10-27
KR102376351B1 true KR102376351B1 (ko) 2022-03-18

Family

ID=72426115

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217033103A KR102376351B1 (ko) 2019-03-14 2020-03-12 강판 및 그것의 제조 방법

Country Status (4)

Country Link
JP (1) JP7201068B2 (zh)
KR (1) KR102376351B1 (zh)
CN (1) CN113574197B (zh)
WO (1) WO2020184683A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111485174A (zh) * 2020-04-13 2020-08-04 攀钢集团攀枝花钢铁研究院有限公司 地铁用钢轨及其制备方法
CN112267073A (zh) * 2020-09-30 2021-01-26 东北大学 具有优异低温韧性和焊接性能的耐腐蚀磨损钢板及其制备方法
WO2022145069A1 (ja) * 2020-12-28 2022-07-07 日本製鉄株式会社 鋼材
WO2023008163A1 (ja) * 2021-07-27 2023-02-02 日本製鉄株式会社 鋼板およびその製造方法
WO2023162896A1 (ja) * 2022-02-22 2023-08-31 日本製鉄株式会社 原油油槽用鋼材
WO2023166935A1 (ja) * 2022-03-03 2023-09-07 Ｊｆｅスチール株式会社 鋼板および鋼板の製造方法
WO2023166934A1 (ja) * 2022-03-03 2023-09-07 Ｊｆｅスチール株式会社 鋼板およびその製造方法
JP7323091B1 (ja) 2022-03-03 2023-08-08 Ｊｆｅスチール株式会社 鋼板およびその製造方法
JP7323090B1 (ja) * 2022-03-03 2023-08-08 Ｊｆｅスチール株式会社 鋼板および鋼板の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4267367B2 (ja) * 2002-06-19 2009-05-27 新日本製鐵株式会社 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法
JP4243863B2 (ja) * 2004-11-10 2009-03-25 住友金属工業株式会社 原油タンク用溶接継手及び原油タンク
JP4898543B2 (ja) * 2007-05-02 2012-03-14 株式会社神戸製鋼所 耐ピット性に優れた鋼板およびその製造方法
JP5453840B2 (ja) * 2009-02-25 2014-03-26 Ｊｆｅスチール株式会社 耐食性に優れた船舶用鋼材
JP6007968B2 (ja) * 2014-12-26 2016-10-19 新日鐵住金株式会社 高強度高延性厚板鋼板とその製造方法
JP6641875B2 (ja) * 2015-10-21 2020-02-05 日本製鉄株式会社 低降伏比鋼板およびその製造方法
JP6418361B1 (ja) * 2018-03-16 2018-11-07 新日鐵住金株式会社 石炭・鉱石運搬船ホールド用鋼板

Also Published As

Publication number Publication date
JPWO2020184683A1 (ja) 2021-12-16
KR20210129236A (ko) 2021-10-27
WO2020184683A1 (ja) 2020-09-17
JP7201068B2 (ja) 2023-01-10
CN113574197A (zh) 2021-10-29
CN113574197B (zh) 2022-09-06

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