EP4015666A4 - Procédé de production d'une ébauche en acier de construction à plusieurs étages pour un acier - Google Patents

Procédé de production d'une ébauche en acier de construction à plusieurs étages pour un acier Download PDF

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Publication number
EP4015666A4
EP4015666A4 EP20863199.4A EP20863199A EP4015666A4 EP 4015666 A4 EP4015666 A4 EP 4015666A4 EP 20863199 A EP20863199 A EP 20863199A EP 4015666 A4 EP4015666 A4 EP 4015666A4
Authority
EP
European Patent Office
Prior art keywords
steel
producing multi
stage structural
blank
structural steel
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
EP20863199.4A
Other languages
German (de)
English (en)
Other versions
EP4015666A1 (fr
Inventor
DongYu ZHAI
Jun Hong
Junping Wu
Lei Fang
JinXing JIANG
HaiJun DU
Shuai LIU
Fei Chen
Ruying LIU
Chenchen Zhang
Shengping YAN
Ye Ding
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 EP4015666A1 publication Critical patent/EP4015666A1/fr
Publication of EP4015666A4 publication Critical patent/EP4015666A4/fr
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10Handling in a vacuum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
EP20863199.4A 2019-09-10 2020-07-22 Procédé de production d'une ébauche en acier de construction à plusieurs étages pour un acier Pending EP4015666A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910850212.1A CN110656285A (zh) 2019-09-10 2019-09-10 一种一钢多级用结构钢坯料生产方法
PCT/CN2020/103544 WO2021047295A1 (fr) 2019-09-10 2020-07-22 Procédé de production d'une ébauche en acier de construction à plusieurs étages pour un acier

Publications (2)

Publication Number Publication Date
EP4015666A1 EP4015666A1 (fr) 2022-06-22
EP4015666A4 true EP4015666A4 (fr) 2022-10-19

Family

ID=69036832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20863199.4A Pending EP4015666A4 (fr) 2019-09-10 2020-07-22 Procédé de production d'une ébauche en acier de construction à plusieurs étages pour un acier

Country Status (3)

Country Link
EP (1) EP4015666A4 (fr)
CN (1) CN110656285A (fr)
WO (1) WO2021047295A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110656285A (zh) * 2019-09-10 2020-01-07 南京钢铁股份有限公司 一种一钢多级用结构钢坯料生产方法
CN112795834B (zh) * 2020-11-19 2021-12-03 唐山钢铁集团有限责任公司 一种中碳中硅高铝双相钢连铸坯的生产方法
CN113528939A (zh) * 2021-06-10 2021-10-22 江苏利淮钢铁有限公司 一种高性能汽车转向系统中横拉杆接头用钢
CN114369753B (zh) * 2022-01-07 2023-03-03 鞍钢股份有限公司 一种基于柔性轧制技术生产多强度级别合金结构钢的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108531816A (zh) * 2018-05-24 2018-09-14 南京钢铁股份有限公司 一种500MPa级工程机械用钢及其制造方法

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JP2000001752A (ja) * 1998-06-17 2000-01-07 Nippon Steel Corp 耐食性および疲労強度に優れた溶接継手
CN1586750A (zh) * 2004-08-20 2005-03-02 钢铁研究总院 一种低碳钢螺纹钢筋的轧制方法
CN101419139B (zh) * 2008-05-06 2010-12-01 首钢总公司 一种防止探伤专用钢板产生氢致裂纹的方法
JP5597006B2 (ja) * 2010-03-26 2014-10-01 新日鐵住金ステンレス株式会社 構造部材用高強度および高延性オーステナイト系ステンレス鋼板およびその製造方法
CN102676947B (zh) * 2012-05-17 2014-05-14 莱芜钢铁集团有限公司 一种焊接结构钢及其制造方法
CN103589954B (zh) * 2013-11-29 2015-07-15 东北大学 一种一钢多级的热轧钢板及其制造方法
CN104328356A (zh) * 2014-09-29 2015-02-04 南京钢铁股份有限公司 一种炉卷轧机生产薄规格高强结构钢板的制造方法
CN106929758B (zh) * 2017-03-03 2018-06-19 唐山钢铁集团有限责任公司 一钢多级冷轧低合金高强钢带及其生产方法
CN107012307A (zh) * 2017-04-07 2017-08-04 荆楚理工学院 一种可作为多个类别钢板使用的多能钢板生产方法
CN107385324B (zh) * 2017-06-08 2019-02-12 江阴兴澄特种钢铁有限公司 一种大厚度q500gjcd高强度建筑结构用钢板及其制造方法
CN109778069B (zh) * 2019-03-29 2021-03-30 武汉钢铁有限公司 一种屈服强度覆盖240~270Mpa级别的一钢多级冷轧低合金高强度钢及其制造方法
CN110656274A (zh) * 2019-09-10 2020-01-07 南京钢铁股份有限公司 一种一钢多级用船板坯料生产方法
CN110656284A (zh) * 2019-09-10 2020-01-07 南京钢铁股份有限公司 一种一钢多级坯料生产方法
CN110656275A (zh) * 2019-09-10 2020-01-07 南京钢铁股份有限公司 一种一钢多级用低温容器钢坯料生产方法
CN110656285A (zh) * 2019-09-10 2020-01-07 南京钢铁股份有限公司 一种一钢多级用结构钢坯料生产方法
CN110735079A (zh) * 2019-10-10 2020-01-31 南京钢铁股份有限公司 一种一钢多级用高强钢坯料生产方法
CN110735080A (zh) * 2019-10-10 2020-01-31 南京钢铁股份有限公司 一种一钢多级用特殊容器钢坯料生产方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108531816A (zh) * 2018-05-24 2018-09-14 南京钢铁股份有限公司 一种500MPa级工程机械用钢及其制造方法

Also Published As

Publication number Publication date
WO2021047295A1 (fr) 2021-03-18
CN110656285A (zh) 2020-01-07
EP4015666A1 (fr) 2022-06-22

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