EP2987887A4 - Hochfestes heissgewalztes stahlblech und verfahren zur herstellung davon - Google Patents
Hochfestes heissgewalztes stahlblech und verfahren zur herstellung davonInfo
- Publication number
- EP2987887A4 EP2987887A4 EP14785555.5A EP14785555A EP2987887A4 EP 2987887 A4 EP2987887 A4 EP 2987887A4 EP 14785555 A EP14785555 A EP 14785555A EP 2987887 A4 EP2987887 A4 EP 2987887A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel sheet
- high strength
- rolled steel
- hot rolled
- producing same
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
-
- 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
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
- C21D1/84—Controlled slow 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
- 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
- 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
- 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 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
- C21D8/0247—Modifying the physical properties 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 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 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips 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 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0463—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
-
- 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
- C21D2211/002—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
- C21D2211/003—Cementite
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/46—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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013084448A JP5867444B2 (ja) | 2013-04-15 | 2013-04-15 | 靭性に優れた高強度熱延鋼板およびその製造方法 |
JP2013084450A JP5870955B2 (ja) | 2013-04-15 | 2013-04-15 | 穴拡げ加工性に優れた高強度熱延鋼板およびその製造方法 |
PCT/JP2014/001509 WO2014171063A1 (ja) | 2013-04-15 | 2014-03-17 | 高強度熱延鋼板およびその製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2987887A1 EP2987887A1 (de) | 2016-02-24 |
EP2987887A4 true EP2987887A4 (de) | 2016-09-14 |
EP2987887B1 EP2987887B1 (de) | 2019-09-11 |
Family
ID=51731028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14785555.5A Active EP2987887B1 (de) | 2013-04-15 | 2014-03-17 | Hochfestes heissgewalztes stahlblech und verfahren zur herstellung davon |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160076124A1 (de) |
EP (1) | EP2987887B1 (de) |
KR (1) | KR20160041850A (de) |
CN (1) | CN105102662A (de) |
MX (2) | MX2015014437A (de) |
WO (1) | WO2014171063A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2809057C1 (ru) * | 2023-03-06 | 2023-12-06 | Публичное акционерное общество "Северсталь" (ПАО "Северсталь") | Способ получения полос из низколегированной стали |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5505572B2 (ja) * | 2012-01-06 | 2014-05-28 | Jfeスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
CN105074033A (zh) | 2013-03-19 | 2015-11-18 | 杰富意钢铁株式会社 | 具有780MPa以上的拉伸强度的高强度热轧钢板 |
US11345972B2 (en) | 2014-02-27 | 2022-05-31 | Jfe Steel Corporation | High-strength hot-rolled steel sheet and method for manufacturing the same |
EP3296415B1 (de) | 2015-07-27 | 2019-09-04 | JFE Steel Corporation | Hochfestes warmgewalztes stahlblech und herstellungsverfahren dafür |
KR102648441B1 (ko) * | 2015-09-22 | 2024-03-15 | 타타 스틸 이즈무이덴 베.뷔. | 우수한 신장-플랜지 성형성을 가진 열간-압연 고강도 롤-성형 가능한 강 시트 및 그 제조방법 |
JP6692429B2 (ja) * | 2016-03-30 | 2020-05-13 | タタ スチール リミテッド | 引張強度が1000〜1200MPaであり、かつ全伸びが16〜17%である高強度熱間圧延鋼(HRHSS) |
CN105734423B (zh) * | 2016-04-27 | 2018-08-10 | 宝山钢铁股份有限公司 | 一种1180MPa级析出强化型热轧超高强钢及其制造方法 |
CN105925887B (zh) * | 2016-06-21 | 2018-01-30 | 宝山钢铁股份有限公司 | 一种980MPa级热轧铁素体贝氏体双相钢及其制造方法 |
CN106498287B (zh) * | 2016-12-15 | 2018-11-06 | 武汉钢铁有限公司 | 一种ct90级连续管用热轧钢带及其生产方法 |
US11603571B2 (en) | 2017-02-17 | 2023-03-14 | Jfe Steel Corporation | High-strength hot-rolled steel sheet and method for producing the same |
CN107151763B (zh) * | 2017-05-27 | 2019-03-26 | 武汉钢铁有限公司 | 薄规格高强度冷成型用热轧钢带及其生产方法 |
CN107916369A (zh) * | 2017-11-08 | 2018-04-17 | 河钢股份有限公司 | 一种q590级高强韧性热轧钢带及其制备方法 |
EP3831971B1 (de) * | 2018-07-31 | 2023-03-15 | JFE Steel Corporation | Hochfestes warmgewalztes stahlblech |
JP6874857B2 (ja) | 2018-07-31 | 2021-05-19 | Jfeスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
JP6693606B1 (ja) * | 2018-08-23 | 2020-05-13 | Jfeスチール株式会社 | 角形鋼管およびその製造方法並びに建築構造物 |
WO2020065381A1 (en) * | 2018-09-28 | 2020-04-02 | Arcelormittal | Hot rolled steel sheet and a method of manufacturing thereof |
ES2853925T3 (es) | 2018-11-14 | 2021-09-20 | Ssab Technology Ab | Fleje de acero laminado en caliente y procedimiento de fabricación |
CN109930070B (zh) * | 2019-03-28 | 2020-02-14 | 北京科技大学 | 一种利用稀土提高低碳当量钢板焊接热影响区韧性的方法 |
KR102221452B1 (ko) * | 2019-05-03 | 2021-03-02 | 주식회사 포스코 | 전단가공성이 우수한 초고강도 강판 및 그 제조방법 |
CN114729426B (zh) * | 2019-11-20 | 2023-06-23 | 杰富意钢铁株式会社 | 电阻焊钢管用热轧钢板及其制造方法、电阻焊钢管及其制造方法、管线管、建筑结构物 |
US20220380876A1 (en) * | 2019-12-09 | 2022-12-01 | Nippon Steel Corporation | Hot-rolled steel sheet |
MX2022004889A (es) * | 2019-12-09 | 2022-05-16 | Nippon Steel Corp | Lamina de acero laminada en caliente. |
WO2021123130A1 (en) * | 2019-12-20 | 2021-06-24 | Tata Steel Ijmuiden B.V. | Hot rolled high strength steel strip having high hole expansion ratio |
CN114107785B (zh) * | 2020-08-27 | 2022-10-21 | 宝山钢铁股份有限公司 | 一种具有超高屈强比的吉帕级贝氏体钢及其制造方法 |
CN114107791B (zh) * | 2020-08-31 | 2023-06-13 | 宝山钢铁股份有限公司 | 一种980MPa级全贝氏体型超高扩孔钢及其制造方法 |
KR102418263B1 (ko) * | 2020-11-05 | 2022-07-08 | 주식회사 포스코 | 성형성이 우수한 열연강판 및 그 제조방법 |
KR102403648B1 (ko) * | 2020-11-17 | 2022-05-30 | 주식회사 포스코 | 고강도 열연강판, 열연 도금강판 및 이들의 제조방법 |
CN112642860A (zh) * | 2020-12-03 | 2021-04-13 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种if钢的热轧方法 |
CN113025894A (zh) * | 2021-02-22 | 2021-06-25 | 北京科技大学 | 一种短流程工艺在线生产的超高强q960热轧卷板及制备方法 |
CN115679191B (zh) * | 2021-07-28 | 2023-09-12 | 宝山钢铁股份有限公司 | 一种550MPa级耐候桥梁钢及制造方法 |
KR20230094376A (ko) * | 2021-12-21 | 2023-06-28 | 주식회사 포스코 | 점용접성이 우수한 고강도 고성형성 강판 및 그 제조방법 |
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WO2000040764A2 (en) * | 1998-12-19 | 2000-07-13 | Exxonmobil Upstream Research Company | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
US6364968B1 (en) * | 2000-06-02 | 2002-04-02 | Kawasaki Steel Corporation | High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same |
JP2005314798A (ja) * | 2004-03-30 | 2005-11-10 | Jfe Steel Kk | 伸びフランジ性と疲労特性に優れた高延性熱延鋼板およびその製造方法 |
EP1870483A1 (de) * | 2005-03-31 | 2007-12-26 | JFE Steel Corporation | Warmgewalztes stahlblech, herstellungsverfahren dafür und formkörper daraus |
JP2008266780A (ja) * | 2007-03-29 | 2008-11-06 | Jfe Steel Kk | 耐遅れ破壊特性に優れた高張力鋼材ならびにその製造方法 |
EP2014781A1 (de) * | 2006-05-16 | 2009-01-14 | JFE Steel Corporation | Hochfestes warmgewalztes stahlblech mit hervorragenden streckeigenschaften, streckbördelungseigenschaften und spannungsermüdungseigenschaften und herstellungsverfahren dafür |
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- 2014-03-17 KR KR1020157031660A patent/KR20160041850A/ko not_active Application Discontinuation
- 2014-03-17 MX MX2015014437A patent/MX2015014437A/es active IP Right Grant
- 2014-03-17 CN CN201480020707.7A patent/CN105102662A/zh active Pending
- 2014-03-17 EP EP14785555.5A patent/EP2987887B1/de active Active
- 2014-03-17 WO PCT/JP2014/001509 patent/WO2014171063A1/ja active Application Filing
- 2014-03-17 US US14/784,455 patent/US20160076124A1/en not_active Abandoned
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- 2015-10-14 MX MX2020003923A patent/MX2020003923A/es unknown
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Also Published As
Publication number | Publication date |
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EP2987887B1 (de) | 2019-09-11 |
MX2015014437A (es) | 2016-02-03 |
KR20160041850A (ko) | 2016-04-18 |
MX2020003923A (es) | 2020-08-13 |
EP2987887A1 (de) | 2016-02-24 |
WO2014171063A1 (ja) | 2014-10-23 |
CN105102662A (zh) | 2015-11-25 |
US20160076124A1 (en) | 2016-03-17 |
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