EP3476969A4 - HOT ROLLED STEEL SHEET WITH PRECIPITATION HARDENING HAVING EXCELLENT MATERIAL UNIFORMITY AND EXCELLENT HOLE EXTENSIBILITY, AND METHOD FOR MANUFACTURING THE SAME - Google Patents
HOT ROLLED STEEL SHEET WITH PRECIPITATION HARDENING HAVING EXCELLENT MATERIAL UNIFORMITY AND EXCELLENT HOLE EXTENSIBILITY, AND METHOD FOR MANUFACTURING THE SAME Download PDFInfo
- Publication number
- EP3476969A4 EP3476969A4 EP17815756.6A EP17815756A EP3476969A4 EP 3476969 A4 EP3476969 A4 EP 3476969A4 EP 17815756 A EP17815756 A EP 17815756A EP 3476969 A4 EP3476969 A4 EP 3476969A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- precipitation
- manufacturing
- steel sheet
- rolled steel
- hot rolled
- 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.)
- Withdrawn
Links
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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
-
- 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
- C21D8/0215—Rapid solidification; Thin strip casting
-
- 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
- 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
-
- 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
- C22C38/02—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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
Landscapes
- 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 Sheet Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160078573A KR101767839B1 (ko) | 2016-06-23 | 2016-06-23 | 재질 균일성 및 구멍확장성이 우수한 석출강화형 열연강판 및 그 제조방법 |
PCT/KR2017/006668 WO2017222343A1 (ko) | 2016-06-23 | 2017-06-23 | 재질 균일성 및 구멍확장성이 우수한 석출강화형 열연강판 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3476969A1 EP3476969A1 (en) | 2019-05-01 |
EP3476969A4 true EP3476969A4 (en) | 2019-06-12 |
Family
ID=60142108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17815756.6A Withdrawn EP3476969A4 (en) | 2016-06-23 | 2017-06-23 | HOT ROLLED STEEL SHEET WITH PRECIPITATION HARDENING HAVING EXCELLENT MATERIAL UNIFORMITY AND EXCELLENT HOLE EXTENSIBILITY, AND METHOD FOR MANUFACTURING THE SAME |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200325563A1 (ko) |
EP (1) | EP3476969A4 (ko) |
KR (1) | KR101767839B1 (ko) |
CN (1) | CN109415791A (ko) |
WO (1) | WO2017222343A1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3347210B2 (ja) * | 1994-02-09 | 2002-11-20 | 日新製鋼株式会社 | 精密打ち抜き用高強度鋼板の製造方法 |
CN101538680A (zh) * | 2009-05-06 | 2009-09-23 | 湖南华菱涟源钢铁有限公司 | 一种生产屈服强度600MPa级高强钢的方法 |
EP2130938A1 (en) * | 2007-03-27 | 2009-12-09 | Nippon Steel Corporation | High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same |
EP2743364A1 (en) * | 2011-08-09 | 2014-06-18 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet having high yield ratio and excellent low-temperature impact energy absorption and haz softening resistance and method for producing same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0826433B2 (ja) | 1992-12-28 | 1996-03-13 | 株式会社神戸製鋼所 | 伸びフランジ性に優れた高強度熱延鋼板 |
JP3716638B2 (ja) * | 1998-09-10 | 2005-11-16 | Jfeスチール株式会社 | フェライト+ベイナイト組織を有する高張力熱延鋼帯の製造方法 |
JP3775341B2 (ja) | 2002-04-30 | 2006-05-17 | Jfeスチール株式会社 | 加工性に優れた高張力熱延鋼板ならびにその製造方法および加工方法 |
KR100711481B1 (ko) | 2005-12-26 | 2007-04-24 | 주식회사 포스코 | 석출강화능이 우수한 자동차용 열연강판의 제조방법 |
KR101245699B1 (ko) | 2010-11-10 | 2013-03-25 | 주식회사 포스코 | 인장강도 590MPa급의 재질편차가 우수한 고강도 열연 TRIP강의 제조방법 |
KR101245701B1 (ko) | 2010-11-15 | 2013-04-01 | 주식회사 포스코 | 인장강도 590MPa급의 가공성 및 재질편차가 우수한 고강도 열연 DP강의 제조방법 |
KR101504404B1 (ko) * | 2012-12-21 | 2015-03-19 | 주식회사 포스코 | 구멍확장성 및 재질 편차가 우수한 고강도 열연강판 및 이의 제조방법 |
KR101510272B1 (ko) * | 2012-12-27 | 2015-04-08 | 주식회사 포스코 | 열연강판 제조방법 및 이를 이용한 열연강판 |
KR20150025910A (ko) * | 2013-08-30 | 2015-03-11 | 현대제철 주식회사 | 고강도 열연강판 및 그 제조 방법 |
-
2016
- 2016-06-23 KR KR1020160078573A patent/KR101767839B1/ko active IP Right Grant
-
2017
- 2017-06-23 WO PCT/KR2017/006668 patent/WO2017222343A1/ko unknown
- 2017-06-23 CN CN201780037469.4A patent/CN109415791A/zh not_active Withdrawn
- 2017-06-23 US US16/305,603 patent/US20200325563A1/en not_active Abandoned
- 2017-06-23 EP EP17815756.6A patent/EP3476969A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3347210B2 (ja) * | 1994-02-09 | 2002-11-20 | 日新製鋼株式会社 | 精密打ち抜き用高強度鋼板の製造方法 |
EP2130938A1 (en) * | 2007-03-27 | 2009-12-09 | Nippon Steel Corporation | High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same |
CN101538680A (zh) * | 2009-05-06 | 2009-09-23 | 湖南华菱涟源钢铁有限公司 | 一种生产屈服强度600MPa级高强钢的方法 |
EP2743364A1 (en) * | 2011-08-09 | 2014-06-18 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet having high yield ratio and excellent low-temperature impact energy absorption and haz softening resistance and method for producing same |
Non-Patent Citations (1)
Title |
---|
See also references of WO2017222343A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3476969A1 (en) | 2019-05-01 |
CN109415791A (zh) | 2019-03-01 |
US20200325563A1 (en) | 2020-10-15 |
WO2017222343A1 (ko) | 2017-12-28 |
KR101767839B1 (ko) | 2017-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
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17P | Request for examination filed |
Effective date: 20190114 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20190513 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 9/46 20060101ALI20190507BHEP Ipc: C22C 38/12 20060101ALI20190507BHEP Ipc: B22D 11/00 20060101ALI20190507BHEP Ipc: C22C 38/02 20060101ALI20190507BHEP Ipc: C21D 6/02 20060101ALI20190507BHEP Ipc: C22C 38/04 20060101ALI20190507BHEP Ipc: C21D 8/02 20060101ALI20190507BHEP Ipc: C22C 38/14 20060101AFI20190507BHEP Ipc: C22C 38/00 20060101ALI20190507BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20200116 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20200603 |