EP4035787A4 - Procédé de laminage d'acier inoxydable super-austénitique - Google Patents

Procédé de laminage d'acier inoxydable super-austénitique Download PDF

Info

Publication number
EP4035787A4
EP4035787A4 EP20866991.1A EP20866991A EP4035787A4 EP 4035787 A4 EP4035787 A4 EP 4035787A4 EP 20866991 A EP20866991 A EP 20866991A EP 4035787 A4 EP4035787 A4 EP 4035787A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
austenitic stainless
super austenitic
rolling super
rolling
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
EP20866991.1A
Other languages
German (de)
English (en)
Other versions
EP4035787A1 (fr
Inventor
Miao Zhang
Mingzhe ZHENG
Xudong Sun
Chao CHE
Long Huang
Wei Fan
Feixiang DENG
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.)
Nanjing Iron and Steel Co Ltd
Original Assignee
Nanjing Iron and 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 and Steel Co Ltd filed Critical Nanjing Iron and Steel Co Ltd
Publication of EP4035787A1 publication Critical patent/EP4035787A1/fr
Publication of EP4035787A4 publication Critical patent/EP4035787A4/fr
Pending legal-status Critical Current

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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
    • 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
    • B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • 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
    • 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
    • B21B45/004—Heating the product
    • 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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D8/0242—Flattening; Dressing; Flexing
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Control Of Metal Rolling (AREA)
EP20866991.1A 2019-09-23 2020-06-19 Procédé de laminage d'acier inoxydable super-austénitique Pending EP4035787A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910902611.8A CN110773565B (zh) 2019-09-23 2019-09-23 一种轧制超级奥氏体不锈钢的方法
PCT/CN2020/096958 WO2021057117A1 (fr) 2019-09-23 2020-06-19 Procédé de laminage d'acier inoxydable super-austénitique

Publications (2)

Publication Number Publication Date
EP4035787A1 EP4035787A1 (fr) 2022-08-03
EP4035787A4 true EP4035787A4 (fr) 2022-11-02

Family

ID=69383748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20866991.1A Pending EP4035787A4 (fr) 2019-09-23 2020-06-19 Procédé de laminage d'acier inoxydable super-austénitique

Country Status (4)

Country Link
EP (1) EP4035787A4 (fr)
KR (1) KR20220061151A (fr)
CN (1) CN110773565B (fr)
WO (1) WO2021057117A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110773565B (zh) * 2019-09-23 2021-08-10 南京钢铁股份有限公司 一种轧制超级奥氏体不锈钢的方法
CN111389914B (zh) * 2020-03-02 2022-03-25 北京鼎新时代科技有限公司 一种超级奥氏体904l不锈钢板带的生产方法
CN111389913A (zh) * 2020-03-17 2020-07-10 江苏甬金金属科技有限公司 一种柔性产品用奥氏体不锈钢箔材的制作方法
CN112658030A (zh) * 2020-12-03 2021-04-16 南京钢铁股份有限公司 一种宽幅薄规格高镍钼奥氏体不锈钢板的轧制方法
CN113560344B (zh) * 2021-06-29 2022-12-16 鞍钢股份有限公司 一种奥氏体不锈钢的中厚板生产方法
CN114042773B (zh) * 2021-10-18 2023-06-23 山西太钢不锈钢股份有限公司 一种提升不锈钢特厚板组织均匀性的方法
CN115383408A (zh) * 2022-09-09 2022-11-25 甘肃酒钢集团宏兴钢铁股份有限公司 一种高锰无磁钢轧制工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104275350A (zh) * 2014-08-06 2015-01-14 振石集团东方特钢股份有限公司 一种耐热奥氏体不锈钢的轧制方法
CN107419194A (zh) * 2017-06-29 2017-12-01 振石集团东方特钢有限公司 一种超级奥氏体不锈钢板卷的加工方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003041352A (ja) * 2001-05-25 2003-02-13 Sumitomo Metal Ind Ltd ステンレス鋼熱延鋼板およびその製造方法
JP2006281298A (ja) * 2005-04-04 2006-10-19 Sanyo Special Steel Co Ltd オーステナイト系ステンレス鋼材の分塊圧延方法
CN103286128B (zh) * 2013-05-30 2015-05-20 山西太钢不锈钢股份有限公司 一种超级双相不锈钢s32750中板轧制工艺
CN107641698B (zh) * 2016-07-22 2019-09-17 宝钢特钢有限公司 超级奥氏体不锈钢冷轧钢带的制造方法
CN107716584B (zh) * 2017-09-18 2020-11-20 浦项(张家港)不锈钢股份有限公司 一种超级奥氏体904l不锈钢板带的生产方法
CN108787751B (zh) * 2018-05-21 2020-02-07 南京钢铁股份有限公司 单机架炉卷轧机宽幅薄规格超级不锈钢板卷生产控制方法
CN108838216A (zh) * 2018-06-29 2018-11-20 首钢京唐钢铁联合有限责任公司 一种板坯翘头的控制方法
CN110066957A (zh) * 2019-05-17 2019-07-30 国家电投集团科学技术研究院有限公司 改进型耐腐蚀超级奥氏体不锈钢及其制备方法
CN110773565B (zh) * 2019-09-23 2021-08-10 南京钢铁股份有限公司 一种轧制超级奥氏体不锈钢的方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104275350A (zh) * 2014-08-06 2015-01-14 振石集团东方特钢股份有限公司 一种耐热奥氏体不锈钢的轧制方法
CN107419194A (zh) * 2017-06-29 2017-12-01 振石集团东方特钢有限公司 一种超级奥氏体不锈钢板卷的加工方法

Also Published As

Publication number Publication date
WO2021057117A1 (fr) 2021-04-01
CN110773565B (zh) 2021-08-10
KR20220061151A (ko) 2022-05-12
EP4035787A1 (fr) 2022-08-03
CN110773565A (zh) 2020-02-11

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