EP4338862A4 - Verfahren zum walzen von hochfestem, niedriglegiertem stahl mit hoher zähigkeit - Google Patents

Verfahren zum walzen von hochfestem, niedriglegiertem stahl mit hoher zähigkeit

Info

Publication number
EP4338862A4
EP4338862A4 EP22784173.1A EP22784173A EP4338862A4 EP 4338862 A4 EP4338862 A4 EP 4338862A4 EP 22784173 A EP22784173 A EP 22784173A EP 4338862 A4 EP4338862 A4 EP 4338862A4
Authority
EP
European Patent Office
Prior art keywords
strength
low
alloy steel
rolling
toughness
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
EP22784173.1A
Other languages
English (en)
French (fr)
Other versions
EP4338862A1 (de
Inventor
Xiaolong Li
Tao Shi
Dunshi ZHOU
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.)
Daye Special Steel Co Ltd
Original Assignee
Daye Special 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 Daye Special Steel Co Ltd filed Critical Daye Special Steel Co Ltd
Publication of EP4338862A1 publication Critical patent/EP4338862A1/de
Publication of EP4338862A4 publication Critical patent/EP4338862A4/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • 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
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B21B37/76—Cooling control on the run-out table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • B21B2001/225—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 by 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
EP22784173.1A 2021-05-12 2022-05-11 Verfahren zum walzen von hochfestem, niedriglegiertem stahl mit hoher zähigkeit Pending EP4338862A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110519204.6A CN113215492B (zh) 2021-05-12 2021-05-12 一种高韧性的低合金高强度钢的轧制方法
PCT/CN2022/092306 WO2022214107A1 (zh) 2021-05-12 2022-05-11 一种高韧性的低合金高强度钢的轧制方法

Publications (2)

Publication Number Publication Date
EP4338862A1 EP4338862A1 (de) 2024-03-20
EP4338862A4 true EP4338862A4 (de) 2025-06-11

Family

ID=77095233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22784173.1A Pending EP4338862A4 (de) 2021-05-12 2022-05-11 Verfahren zum walzen von hochfestem, niedriglegiertem stahl mit hoher zähigkeit

Country Status (6)

Country Link
US (1) US20240253099A1 (de)
EP (1) EP4338862A4 (de)
JP (1) JP7562018B2 (de)
KR (1) KR102704654B1 (de)
CN (1) CN113215492B (de)
WO (1) WO2022214107A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113215492B (zh) * 2021-05-12 2022-04-08 大冶特殊钢有限公司 一种高韧性的低合金高强度钢的轧制方法
CN114058944B (zh) * 2021-09-17 2022-09-02 大冶特殊钢有限公司 一种q500钢级低合金结构钢棒材及其控轧控冷轧制方法
CN115430706B (zh) * 2022-10-08 2025-04-25 江苏省沙钢钢铁研究院有限公司 高碳钢盘条的生产方法以及高碳钢盘条
CN115838855B (zh) * 2022-10-25 2025-08-22 山东钢铁股份有限公司 一种CrMo钢热轧棒材组织控制方法
CN115971242A (zh) * 2022-11-23 2023-04-18 大冶特殊钢有限公司 Mn-Cr系低碳齿轮钢的轧制方法及轧后在线冷却系统
CN116200672A (zh) * 2022-11-25 2023-06-02 重庆钢铁股份有限公司 一种低成本高强度结构钢板q460d及制造方法
CN115921523A (zh) * 2022-12-27 2023-04-07 武钢集团昆明钢铁股份有限公司 一种低碳热轧14号工字钢及其制备方法
CN116603857A (zh) * 2023-04-04 2023-08-18 石钢京诚装备技术有限公司 一种降低合金钢棒材残余应力的生产方法
CN116656919A (zh) * 2023-06-07 2023-08-29 南京钢铁股份有限公司 一种40Cr圆钢的在线正火方法
CN117284760B (zh) * 2023-10-30 2025-09-23 中冶华天工程技术有限公司 一种收集棒材闭环转运链接钢系统及取钢装置
CN117564082A (zh) * 2023-12-01 2024-02-20 湖南华菱湘潭钢铁有限公司 一种矩形扁钢轧制工艺
CN119040761B (zh) * 2024-08-22 2025-12-30 石横特钢集团有限公司 一种低合金高强高韧q460c铁塔用电力角钢及其制备方法
CN119387293A (zh) * 2024-09-30 2025-02-07 南京钢铁股份有限公司 一种低碳高强度圆钢的制备方法
CN120734106B (zh) * 2025-08-29 2025-11-18 鞍钢股份有限公司 一种高效低成本345MPa级低温压力容器用钢板的制造方法

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CN103911549A (zh) * 2014-04-26 2014-07-09 河北联合大学 V-n微合金化高强韧大规格角钢及其生产方法
EP2799575A1 (de) * 2011-12-27 2014-11-05 JFE Steel Corporation Warmgewalztes hochfestes stahlblech und dessen herstellungsverfahren
CN106086353A (zh) * 2016-08-29 2016-11-09 湖北新冶钢有限公司 控制大断面GCr15轴承钢网状碳化物析出的轧制方法
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WO2020078007A1 (zh) * 2018-10-17 2020-04-23 南京钢铁股份有限公司 一种高强高韧性非调质圆钢及制备方法
CN111647799A (zh) * 2020-04-30 2020-09-11 靖江特殊钢有限公司 一种可直接切削的高强韧热轧圆钢及其制备方法

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JP2006063425A (ja) * 2004-08-30 2006-03-09 Jfe Steel Kk 熱間圧延型非調質棒鋼およびその製造方法
EP2799575A1 (de) * 2011-12-27 2014-11-05 JFE Steel Corporation Warmgewalztes hochfestes stahlblech und dessen herstellungsverfahren
CN103911549A (zh) * 2014-04-26 2014-07-09 河北联合大学 V-n微合金化高强韧大规格角钢及其生产方法
CN106086353A (zh) * 2016-08-29 2016-11-09 湖北新冶钢有限公司 控制大断面GCr15轴承钢网状碳化物析出的轧制方法
WO2020078007A1 (zh) * 2018-10-17 2020-04-23 南京钢铁股份有限公司 一种高强高韧性非调质圆钢及制备方法
CN110714172A (zh) * 2019-10-15 2020-01-21 石家庄钢铁有限责任公司 一种纵横向冲击韧性良好的大规格建筑用圆钢及生产方法
CN111647799A (zh) * 2020-04-30 2020-09-11 靖江特殊钢有限公司 一种可直接切削的高强韧热轧圆钢及其制备方法

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Title
See also references of WO2022214107A1 *

Also Published As

Publication number Publication date
CN113215492B (zh) 2022-04-08
KR102704654B1 (ko) 2024-09-09
CN113215492A (zh) 2021-08-06
JP2024518471A (ja) 2024-05-01
US20240253099A1 (en) 2024-08-01
JP7562018B2 (ja) 2024-10-04
WO2022214107A1 (zh) 2022-10-13
EP4338862A1 (de) 2024-03-20
KR20240004507A (ko) 2024-01-11

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