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SG11202101376WA - 80-mm-Thick Low-Cost FH420 Marine Engineering Steel Plate and Manufacturing Method Thereof - Google Patents

80-mm-Thick Low-Cost FH420 Marine Engineering Steel Plate and Manufacturing Method Thereof

Info

Publication number
SG11202101376WA
SG11202101376WA SG11202101376WA SG11202101376WA SG11202101376WA SG 11202101376W A SG11202101376W A SG 11202101376WA SG 11202101376W A SG11202101376W A SG 11202101376WA SG 11202101376W A SG11202101376W A SG 11202101376WA SG 11202101376W A SG11202101376W A SG 11202101376WA
Authority
SG
Singapore
Prior art keywords
manufacturing
cost
steel plate
marine engineering
thick low
Prior art date
Application number
SG11202101376WA
Inventor
Majun Che
Ailing Zhu
Linheng Chen
Jinbin Zhao
Qiang Cui
Jun Fu
Xiaoxue Zhang
Baowen Qiu
Original Assignee
Nanjing Iron & Steel 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 Nanjing Iron & Steel Co Ltd filed Critical Nanjing Iron & Steel Co Ltd
Publication of SG11202101376WA publication Critical patent/SG11202101376WA/en

Links

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
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C7/0006—Adding metallic additives
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
SG11202101376WA 2018-08-24 2019-08-12 80-mm-Thick Low-Cost FH420 Marine Engineering Steel Plate and Manufacturing Method Thereof SG11202101376WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810971033.9A CN109097683B (en) 2018-08-24 2018-08-24 80 mm-thick low-cost FH420 maritime work steel plate and manufacturing method thereof
PCT/CN2019/100137 WO2020038244A1 (en) 2018-08-24 2019-08-12 80mm-thick low-cost fh420 marine steel plate and manufacturing method therefor

Publications (1)

Publication Number Publication Date
SG11202101376WA true SG11202101376WA (en) 2021-03-30

Family

ID=64851240

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202101376WA SG11202101376WA (en) 2018-08-24 2019-08-12 80-mm-Thick Low-Cost FH420 Marine Engineering Steel Plate and Manufacturing Method Thereof

Country Status (3)

Country Link
CN (1) CN109097683B (en)
SG (1) SG11202101376WA (en)
WO (1) WO2020038244A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109097683B (en) * 2018-08-24 2020-08-18 南京钢铁股份有限公司 80 mm-thick low-cost FH420 maritime work steel plate and manufacturing method thereof
CN111926236B (en) * 2020-08-12 2021-11-23 宝武集团鄂城钢铁有限公司 Method for producing steel plate with excellent Z-direction performance for welding structure by adopting continuous casting billet under condition of small compression ratio
CN112048665B (en) * 2020-08-17 2022-03-22 莱芜钢铁集团银山型钢有限公司 Steel plate for polar region ocean engineering and preparation method thereof
CN114507818A (en) * 2022-01-26 2022-05-17 日钢营口中板有限公司 Thick normalizing ocean engineering structural steel and manufacturing method thereof
CN117604389B (en) * 2023-12-09 2024-04-30 河北普阳钢铁有限公司 Production method of 420 MPa-level low-alloy high-strength steel easy to weld

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4660315B2 (en) * 2005-08-09 2011-03-30 新日本製鐵株式会社 Manufacturing method of thick high strength steel plate with excellent toughness and thick high strength steel plate with excellent toughness
JP4833611B2 (en) * 2005-08-17 2011-12-07 新日本製鐵株式会社 490 MPa class thick high-strength refractory steel for welded structures excellent in weldability and gas-cutting property, and method for producing the same
JP5217413B2 (en) * 2007-12-21 2013-06-19 Ｊｆｅスチール株式会社 High strength steel plate with excellent weld heat affected zone toughness and method for producing the same
KR101125950B1 (en) * 2008-11-29 2012-03-21 주식회사 포스코 High strength ship-building steel with excellent general corrosion and pitting corrosion resistance at low ph chloride solution and manufacturing method for the same
JP5609668B2 (en) * 2011-01-20 2014-10-22 Ｊｆｅスチール株式会社 Stainless clad steel with excellent seawater pitting resistance
CN102321847A (en) * 2011-10-20 2012-01-18 南京钢铁股份有限公司 Quenching and tempering structure thick steel plate for offshore platform and production method for quenching and tempering structure thick steel plate
CN102392192B (en) * 2011-11-01 2012-12-05 南京钢铁股份有限公司 Steel plate with thickness of 80mm and low compression ratio for ocean engineering and manufacturing method thereof
CN102732789B (en) * 2012-06-05 2015-01-07 舞阳钢铁有限责任公司 High-performance ocean platform steel and its production method
CN102828114A (en) * 2012-08-28 2012-12-19 南京钢铁股份有限公司 Ocean engineering steel plate with excellent strain ageing performance and method for manufacturing ocean engineering steel plate
CN102851623A (en) * 2012-09-19 2013-01-02 南京钢铁股份有限公司 Marine engineering F36-Z35 steel plate 80mm in thickness and production method thereof
CN104674117B (en) * 2015-03-19 2017-05-31 山东钢铁股份有限公司 A kind of 420MPa grades of steel plate for ocean engineering and its manufacture method
CN104911485B (en) * 2015-07-06 2017-07-21 武汉钢铁(集团)公司 High high intensity structural steel for bridge of impact fracture fiber rate and preparation method thereof
CN106834923A (en) * 2016-12-29 2017-06-13 山东钢铁股份有限公司 A kind of big thickness ocean structure steel plate and its production method
CN109097683B (en) * 2018-08-24 2020-08-18 南京钢铁股份有限公司 80 mm-thick low-cost FH420 maritime work steel plate and manufacturing method thereof

Also Published As

Publication number Publication date
CN109097683A (en) 2018-12-28
CN109097683B (en) 2020-08-18
WO2020038244A1 (en) 2020-02-27

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