JP7780630B2 - 降伏強度≧７５０ＭＰａの低降伏比海洋鋼およびその製造方法 - Google Patents

降伏強度≧７５０ＭＰａの低降伏比海洋鋼およびその製造方法

Info

Publication number
JP7780630B2
JP7780630B2 JP2024517557A JP2024517557A JP7780630B2 JP 7780630 B2 JP7780630 B2 JP 7780630B2 JP 2024517557 A JP2024517557 A JP 2024517557A JP 2024517557 A JP2024517557 A JP 2024517557A JP 7780630 B2 JP7780630 B2 JP 7780630B2
Authority
JP
Japan
Prior art keywords
steel
cooling
rolling
temperature
mpa
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.)
Active
Application number
JP2024517557A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024541798A (ja
JPWO2024082997A5 (https=
JP2024541798A5 (https=
Inventor
リ、ティアンイ
リュウ、ウェンユェ
ワン、チャオイ
ワン、チュアンジュン
アン、タオ
ザン、ヤン
ゲン、ジユ
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.)
Ansteel Beijing Research Institute Co Ltd
Original Assignee
Ansteel Beijing Research Institute 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 Ansteel Beijing Research Institute Co Ltd filed Critical Ansteel Beijing Research Institute Co Ltd
Publication of JP2024541798A publication Critical patent/JP2024541798A/ja
Publication of JPWO2024082997A5 publication Critical patent/JPWO2024082997A5/ja
Publication of JP2024541798A5 publication Critical patent/JP2024541798A5/ja
Application granted granted Critical
Publication of JP7780630B2 publication Critical patent/JP7780630B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/008—Martensite
    • 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)
  • 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)
JP2024517557A 2022-10-19 2023-10-10 降伏強度≧７５０ＭＰａの低降伏比海洋鋼およびその製造方法 Active JP7780630B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202211276285.2A CN115558863B (zh) 2022-10-19 2022-10-19 一种屈服强度≥750MPa的低屈强比海工钢及其生产工艺
CN202211276285.2 2022-10-19
PCT/CN2023/123725 WO2024082997A1 (zh) 2022-10-19 2023-10-10 一种屈服强度≥750MPa的低屈强比海工钢及其生产工艺

Publications (4)

Publication Number Publication Date
JP2024541798A JP2024541798A (ja) 2024-11-13
JPWO2024082997A5 JPWO2024082997A5 (https=) 2025-05-30
JP2024541798A5 JP2024541798A5 (https=) 2025-05-30
JP7780630B2 true JP7780630B2 (ja) 2025-12-04

Family

ID=84767425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024517557A Active JP7780630B2 (ja) 2022-10-19 2023-10-10 降伏強度≧７５０ＭＰａの低降伏比海洋鋼およびその製造方法

Country Status (3)

Country Link
JP (1) JP7780630B2 (https=)
CN (1) CN115558863B (https=)
WO (1) WO2024082997A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115558863B (zh) * 2022-10-19 2023-04-07 鞍钢集团北京研究院有限公司 一种屈服强度≥750MPa的低屈强比海工钢及其生产工艺
CN117265387B (zh) * 2023-05-19 2025-10-03 鞍钢集团北京研究院有限公司 一种低屈强比1030MPa级高强Q&P钢及其生产方法
CN118531191B (zh) * 2024-05-23 2026-02-13 湖南华菱湘潭钢铁有限公司 一种80kg级水电用钢板的生产方法
CN118745558B (zh) * 2024-06-28 2026-01-23 鞍钢股份有限公司 一种eh690级海工钢及其制造方法
CN120555906B (zh) * 2025-07-29 2025-10-03 东北大学 一种大厚度高强韧nm550耐磨钢及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008121093A (ja) 2006-11-15 2008-05-29 Jfe Steel Kk 低降伏比高強度・高靭性鋼の製造方法
JP2021508774A (ja) 2017-12-24 2021-03-11 ポスコＰｏｓｃｏ 高強度鋼板及びその製造方法
US20210310093A1 (en) 2018-10-19 2021-10-07 Tata Steel Nederland Technology B.V. Hot rolled steel sheet with ultra-high strength and improved formability and method for producing the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05255743A (ja) * 1992-03-09 1993-10-05 Nippon Steel Corp 急速焼戻しによる高張力鋼板の製造方法
JP4134355B2 (ja) * 1997-03-25 2008-08-20 Ｊｆｅスチール株式会社 靱性に優れた連続鋳造製調質型高張力鋼板の製造方法
KR100833076B1 (ko) * 2006-12-22 2008-05-27 주식회사 포스코 저온인성과 취성균열전파정지특성이 우수한 고강도저항복비 구조용 강재 및 그 제조방법
KR100973923B1 (ko) * 2007-12-20 2010-08-03 주식회사 포스코 고강도 고인성 건설용 강재 및 그 제조방법
CA2837052C (en) * 2011-05-25 2015-09-15 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet and method for producing same
CN102644024B (zh) * 2012-05-08 2013-06-26 首钢总公司 一种低合金低屈强比海洋工程结构用钢及其生产方法
JP6369658B1 (ja) * 2017-09-19 2018-08-08 新日鐵住金株式会社 鋼管及び鋼板
US12247263B2 (en) * 2019-04-11 2025-03-11 Nippon Steel Corporation Steel sheet and method for producing same
JP7243854B2 (ja) * 2019-11-06 2023-03-22 日本製鉄株式会社 熱延鋼板およびその製造方法
WO2021140901A1 (ja) * 2020-01-08 2021-07-15 日本製鉄株式会社 鋼板およびその製造方法
CN112048675A (zh) * 2020-07-30 2020-12-08 江阴兴澄特种钢铁有限公司 一种低温环境下使用的低屈强比粒状贝氏体高强钢板及其制造方法
CN113430458B (zh) * 2021-06-11 2022-04-19 鞍钢集团北京研究院有限公司 一种屈服强度1040MPa以上级超高强钢板及其制造方法
CN114000056A (zh) * 2021-10-27 2022-02-01 北京科技大学烟台工业技术研究院 一种屈服强度960MPa级低屈强比海工用钢板及其制备方法
CN115558863B (zh) * 2022-10-19 2023-04-07 鞍钢集团北京研究院有限公司 一种屈服强度≥750MPa的低屈强比海工钢及其生产工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008121093A (ja) 2006-11-15 2008-05-29 Jfe Steel Kk 低降伏比高強度・高靭性鋼の製造方法
JP2021508774A (ja) 2017-12-24 2021-03-11 ポスコＰｏｓｃｏ 高強度鋼板及びその製造方法
US20210310093A1 (en) 2018-10-19 2021-10-07 Tata Steel Nederland Technology B.V. Hot rolled steel sheet with ultra-high strength and improved formability and method for producing the same

Also Published As

Publication number Publication date
WO2024082997A1 (zh) 2024-04-25
JP2024541798A (ja) 2024-11-13
CN115558863A (zh) 2023-01-03
CN115558863B (zh) 2023-04-07

Similar Documents

Publication Publication Date Title
CN114959460B (zh) 一种低屈强比易焊接耐候桥梁钢及其制造方法
AU2022392619B2 (en) High-strength steel with good weather resistance and manufacturing method therefor
JP7780630B2 (ja) 降伏強度≧７５０ＭＰａの低降伏比海洋鋼およびその製造方法
CN110241357B (zh) 一种800MPa级强韧耐候厚钢板及其制备方法
CN103014554B (zh) 一种低屈强比高韧性钢板及其制造方法
CN111057965B (zh) 一种低屈强比的海洋工程用钢及其制备方法
WO2014201887A1 (zh) 超高韧性、优良焊接性ht550钢板及其制造方法
CN106756612B (zh) 一种贝氏体/马氏体/奥氏体高韧易焊接船板钢及制造方法
CN115418573A (zh) 一种80mm厚调质高强韧压力容器用钢板及其制备方法
JP2022510214A (ja) 冷間加工性及びｓｓｃ抵抗性に優れた超高強度鋼材及びその製造方法
CN108930002B (zh) 硬度500hb浆体疏浚管用耐磨蚀钢板及其生产方法
CN114134387B (zh) 一种抗拉强度1300MPa级厚规格超高强钢板及其制造方法
KR20080058476A (ko) 음향 이방성이 작고 용접성이 우수한 항복응력 450 ㎫ 이상및 인장강도 570 ㎫ 이상인 고장력 강판 및 그 제조 방법
JP4264177B2 (ja) 表層に粗粒フェライト層を有する鋼材の製造方法
KR100868571B1 (ko) 음향 이방성이 작고 용접성이 우수한 고장력 강판 및 그제조 방법
CN115572901B (zh) 一种630MPa级高调质稳定性低碳低合金钢板及其制造方法
CN108930001B (zh) 一种浆体疏浚用高硬度耐磨蚀钢板及其生产方法
KR100843844B1 (ko) 균열성장 저항성이 우수한 초고강도 라인파이프용 강판 및그 제조방법
CN102732790A (zh) 一种超低碳贝氏体钢板及其制造方法
CN115505842A (zh) 一种低温服役环境高止裂韧性船舶及海洋工程用结构钢及其生产方法
CN108950422B (zh) 硬度550hb浆体疏浚管用耐磨蚀钢板及其生产方法
JPH09137253A (ja) 耐応力腐食割れ性および低温靱性に優れた超高張力鋼およびその製造方法
EP4640903A1 (en) Steel plate having high strength and excellent low-temperature impact toughness and method for manufacturing same
CN117070853B (zh) 经济型550MPa级热轧钢板及其延伸率稳定控制方法
JPS6117885B2 (https=)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240319

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20250312

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250401

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20250522

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250722

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251009

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20251028

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251121

R150 Certificate of patent or registration of utility model

Ref document number: 7780630

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150