AU2013375523B2 - High strength steel sheet and manufacturing method therefor - Google Patents

High strength steel sheet and manufacturing method therefor Download PDF

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Publication number
AU2013375523B2
AU2013375523B2 AU2013375523A AU2013375523A AU2013375523B2 AU 2013375523 B2 AU2013375523 B2 AU 2013375523B2 AU 2013375523 A AU2013375523 A AU 2013375523A AU 2013375523 A AU2013375523 A AU 2013375523A AU 2013375523 B2 AU2013375523 B2 AU 2013375523B2
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Prior art keywords
steel plate
strength steel
rolling
manufacturing
strength
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AU2013375523A
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AU2013375523A1 (en
Inventor
Liandeng Yao
Sixin Zhao
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
    • 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
    • C21D8/0263—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 following 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
    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0426—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
    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0447—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
    • C21D8/0463—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment following 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
    • 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
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron

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  • 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)
  • Heat Treatment Of Sheet Steel (AREA)
AU2013375523A 2013-01-22 2013-12-24 High strength steel sheet and manufacturing method therefor Active AU2013375523B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310022008.3 2013-01-22
CN2013100220083A CN103060690A (zh) 2013-01-22 2013-01-22 一种高强度钢板及其制造方法
PCT/CN2013/090268 WO2014114158A1 (zh) 2013-01-22 2013-12-24 一种高强度钢板及其制造方法

Publications (2)

Publication Number Publication Date
AU2013375523A1 AU2013375523A1 (en) 2015-08-06
AU2013375523B2 true AU2013375523B2 (en) 2018-06-07

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AU2013375523A Active AU2013375523B2 (en) 2013-01-22 2013-12-24 High strength steel sheet and manufacturing method therefor

Country Status (9)

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US (1) US11268176B2 (enExample)
EP (1) EP2949773B1 (enExample)
JP (1) JP6426621B2 (enExample)
KR (1) KR102229530B1 (enExample)
CN (1) CN103060690A (enExample)
AU (1) AU2013375523B2 (enExample)
RU (1) RU2711698C2 (enExample)
WO (1) WO2014114158A1 (enExample)
ZA (1) ZA201505249B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103060690A (zh) * 2013-01-22 2013-04-24 宝山钢铁股份有限公司 一种高强度钢板及其制造方法
CN103898406B (zh) * 2014-03-25 2016-08-24 宝山钢铁股份有限公司 一种屈服强度890MPa级低焊接裂纹敏感性钢板及其制造方法
CN105506494B (zh) * 2014-09-26 2017-08-25 宝山钢铁股份有限公司 一种屈服强度800MPa级高韧性热轧高强钢及其制造方法
CN104278206A (zh) * 2014-10-15 2015-01-14 山东钢铁股份有限公司 一种厚度60mm以下屈服强度690MPa级钢板及其制备方法
CN104513937A (zh) * 2014-12-19 2015-04-15 宝山钢铁股份有限公司 一种屈服强度800MPa级别高强钢及其生产方法
CN109207839A (zh) * 2017-06-29 2019-01-15 宝山钢铁股份有限公司 一种高强高韧射孔枪管及其制造方法
CN110819878B (zh) * 2019-10-23 2021-10-29 舞阳钢铁有限责任公司 一种爆炸复合用具备优良低温韧性钢板及其生产方法
CN119685713B (zh) * 2023-09-25 2025-12-16 宝山钢铁股份有限公司 一种低碳足迹的超高强度钢及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100032062A1 (en) * 2007-10-26 2010-02-11 Baoshan Iron & Steel Co., Ltd. STEEL PLATE HAVING A LOW WELDING CRACK SUSCEPTIBILITY AND A YIELD STRENGTH OF 800MPa AND MANUFACTURE METHOD THEREOF
CN102618793A (zh) * 2012-03-30 2012-08-01 宝山钢铁股份有限公司 一种屈服强度 960MPa 级钢板及其制造方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63121618A (ja) 1986-11-11 1988-05-25 Sumitomo Metal Ind Ltd 高延性、高靭性Ｎｂ添加熱延鋼板の製造方法
JPH0788554B2 (ja) * 1988-12-23 1995-09-27 日本鋼管株式会社 建築用耐火鋼材
JP2671732B2 (ja) * 1992-11-02 1997-10-29 住友金属工業株式会社 溶接性に優れた高張力鋼の製造方法
JP2828054B2 (ja) * 1996-08-15 1998-11-25 日本鋼管株式会社 建築用耐火鋼材
RU2218443C2 (ru) 1997-07-28 2003-12-10 Эксонмобил Апстрим Рисерч Компани Толстолистовая сталь с высокой ударной вязкостью и способ ее получения
US6228183B1 (en) * 1997-07-28 2001-05-08 Exxonmobil Upstream Research Company Ultra-high strength, weldable, boron-containing steels with superior toughness
AU736152B2 (en) * 1997-07-28 2001-07-26 Exxonmobil Upstream Research Company Ultra-high strength, weldable, essentially boron-free steels with superior toughness
CA2295881C (en) * 1997-07-28 2005-10-18 Nippon Steel Corporation Method for producing ultra-high strength, weldable steels with superior toughness
EP1325967A4 (en) * 2001-07-13 2005-02-23 Jfe Steel Corp HIGH-TIGHT STEEL TUBE HIGHER THAN HIGHER THAN QUALITY API X65
JP4445365B2 (ja) * 2004-10-06 2010-04-07 新日本製鐵株式会社 伸びと穴拡げ性に優れた高強度薄鋼板の製造方法
CN100494451C (zh) * 2005-03-30 2009-06-03 宝山钢铁股份有限公司 屈服强度960MPa以上超高强度钢板及其制造方法
JP4848960B2 (ja) * 2007-01-12 2011-12-28 Ｊｆｅスチール株式会社 薄肉低降伏比高張力鋼板およびその製造方法
JP5433964B2 (ja) 2008-03-31 2014-03-05 Ｊｆｅスチール株式会社 曲げ加工性および低温靭性に優れる高張力鋼板の製造方法
JP5476763B2 (ja) * 2009-03-30 2014-04-23 Ｊｆｅスチール株式会社 延性に優れた高張力鋼板及びその製造方法
CN101906594B (zh) 2009-06-08 2013-07-31 鞍钢股份有限公司 一种900MPa级屈服强度调质钢板及其制造方法
CN102549188B (zh) * 2009-09-30 2014-02-19 杰富意钢铁株式会社 具有低屈服比、高强度以及高均匀伸长率的钢板及其制造方法
CA2782777C (en) * 2010-01-13 2014-11-18 Nippon Steel Corporation High tensile steel sheet superior in formability and method of manufacturing the same
JP4897127B2 (ja) * 2010-05-27 2012-03-14 新日本製鐵株式会社 溶接構造用高強度鋼板の製造方法
JP5742123B2 (ja) 2010-07-16 2015-07-01 Ｊｆｅスチール株式会社 ラインパイプ用高強度溶接鋼管向け高張力熱延鋼板およびその製造方法
MX338997B (es) 2011-03-28 2016-05-09 Nippon Steel & Sumitomo Metal Corp Placa de acero laminada en frio y metodo de produccion de la misma.
CN102260283B (zh) * 2011-04-14 2014-11-05 华东理工大学 杂环取代双齿胺基配体铝络合物及其制备方法和应用
US9567658B2 (en) * 2011-05-25 2017-02-14 Nippon Steel & Sumitomo Metal Corporation Cold-rolled steel sheet
CN102618800A (zh) * 2012-03-30 2012-08-01 宝山钢铁股份有限公司 一种屈服强度1150MPa级钢板及其制造方法
CN102787272B (zh) * 2012-07-26 2013-10-16 北京科技大学 一种汽车厢体用热轧酸洗高强钢的制备方法
CN103060690A (zh) * 2013-01-22 2013-04-24 宝山钢铁股份有限公司 一种高强度钢板及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100032062A1 (en) * 2007-10-26 2010-02-11 Baoshan Iron & Steel Co., Ltd. STEEL PLATE HAVING A LOW WELDING CRACK SUSCEPTIBILITY AND A YIELD STRENGTH OF 800MPa AND MANUFACTURE METHOD THEREOF
CN102618793A (zh) * 2012-03-30 2012-08-01 宝山钢铁股份有限公司 一种屈服强度 960MPa 级钢板及其制造方法

Also Published As

Publication number Publication date
JP6426621B2 (ja) 2018-11-21
AU2013375523A1 (en) 2015-08-06
CN103060690A (zh) 2013-04-24
RU2015136605A (ru) 2017-09-28
EP2949773B1 (en) 2020-07-01
RU2711698C2 (ru) 2020-01-21
JP2016509129A (ja) 2016-03-24
EP2949773A1 (en) 2015-12-02
KR102229530B1 (ko) 2021-03-18
ZA201505249B (en) 2016-07-27
US11268176B2 (en) 2022-03-08
KR20150109461A (ko) 2015-10-01
WO2014114158A1 (zh) 2014-07-31
US20150361531A1 (en) 2015-12-17
EP2949773A4 (en) 2016-08-31

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