EP3480332A4 - Plaque d'acier à haute résistance présentant d'excellentes caractéristiques de faible coefficient d'élasticité et une ténacité à basse température et son procédé de fabrication - Google Patents
Plaque d'acier à haute résistance présentant d'excellentes caractéristiques de faible coefficient d'élasticité et une ténacité à basse température et son procédé de fabrication Download PDFInfo
- Publication number
- EP3480332A4 EP3480332A4 EP17820573.8A EP17820573A EP3480332A4 EP 3480332 A4 EP3480332 A4 EP 3480332A4 EP 17820573 A EP17820573 A EP 17820573A EP 3480332 A4 EP3480332 A4 EP 3480332A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- steel plate
- high strength
- same
- strength 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.)
- Granted
Links
Classifications
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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
-
- 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
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- 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
- C21D8/0221—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 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 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
- 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
- C22C38/02—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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
-
- 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
- C21D2211/005—Ferrite
-
- 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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160083588A KR101799202B1 (ko) | 2016-07-01 | 2016-07-01 | 저항복비 특성 및 저온인성이 우수한 고강도 강판 및 그 제조방법 |
| PCT/KR2017/006956 WO2018004297A1 (fr) | 2016-07-01 | 2017-06-30 | Plaque d'acier à haute résistance présentant d'excellentes caractéristiques de faible coefficient d'élasticité et une ténacité à basse température et son procédé de fabrication |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3480332A1 EP3480332A1 (fr) | 2019-05-08 |
| EP3480332A4 true EP3480332A4 (fr) | 2019-06-26 |
| EP3480332B1 EP3480332B1 (fr) | 2021-10-13 |
Family
ID=60786060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17820573.8A Active EP3480332B1 (fr) | 2016-07-01 | 2017-06-30 | Plaque d'acier à haute résistance présentant d'excellentes caractéristiques de faible coefficient d'élasticité et une ténacité à basse température et son procédé de fabrication |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3480332B1 (fr) |
| JP (1) | JP6771047B2 (fr) |
| KR (1) | KR101799202B1 (fr) |
| CN (1) | CN109328240B (fr) |
| WO (1) | WO2018004297A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101917451B1 (ko) * | 2016-12-21 | 2018-11-09 | 주식회사 포스코 | 저온인성이 우수한 저항복비 강판 및 그 제조방법 |
| KR102236852B1 (ko) | 2018-11-30 | 2021-04-06 | 주식회사 포스코 | 우수한 저항복비 및 저온인성 특성을 가지는 구조용강 및 그 제조방법 |
| CN110373524B (zh) * | 2019-07-16 | 2021-05-04 | 河钢股份有限公司承德分公司 | 一种90公斤级焊丝用钢热处理软化工艺 |
| JP7330862B2 (ja) * | 2019-11-01 | 2023-08-22 | 株式会社神戸製鋼所 | 母材と継手の低温靭性に優れた高張力鋼板およびその製造方法 |
| CN119053717A (zh) * | 2022-04-20 | 2024-11-29 | 杰富意钢铁株式会社 | 钢板及其制造方法 |
| WO2023203815A1 (fr) * | 2022-04-20 | 2023-10-26 | Ｊｆｅスチール株式会社 | Tôle en acier, et procédé de fabrication de celle-ci |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07278656A (ja) * | 1994-04-04 | 1995-10-24 | Nippon Steel Corp | 低降伏比高張力鋼の製造方法 |
| JP2013049895A (ja) * | 2011-08-31 | 2013-03-14 | Jfe Steel Corp | 高一様伸び特性を備え、かつ溶接部低温靱性に優れた高強度溶接鋼管、およびその製造方法 |
| EP2940172A1 (fr) * | 2012-12-27 | 2015-11-04 | Posco | Feuille d'acier très robuste dotée d'une excellente résistance aux températures cryogéniques et de propriétés de rapport de limite d'élasticité peu élevé, et procédé de fabrication de ladite feuille |
| EP3012340A1 (fr) * | 2013-06-19 | 2016-04-27 | Baoshan Iron & Steel Co., Ltd. | Tôle d'acier ht550 de résistance ultraélevée et d'excellente soudabilité et son procédé de production |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057490B2 (ja) * | 1979-02-28 | 1985-12-16 | 新日本製鐵株式会社 | 低降伏比の高張力鋼板の製造方法 |
| JPH09256037A (ja) * | 1996-03-22 | 1997-09-30 | Nippon Steel Corp | 応力除去焼鈍処理用の厚肉高張力鋼板の製造方法 |
| JP4445161B2 (ja) * | 2001-06-19 | 2010-04-07 | 新日本製鐵株式会社 | 疲労強度に優れた厚鋼板の製造方法 |
| JP4485427B2 (ja) | 2005-07-28 | 2010-06-23 | 株式会社神戸製鋼所 | 低降伏比高張力鋼板 |
| KR101403224B1 (ko) | 2011-12-28 | 2014-06-02 | 주식회사 포스코 | 저항복비 특성 및 저온인성이 우수한 후 강판 및 그 제조방법 |
| JP5761080B2 (ja) * | 2012-03-01 | 2015-08-12 | 新日鐵住金株式会社 | 伸びと穴拡げ性と疲労特性に優れた高強度熱延鋼板及びその製造方法 |
| KR20140118313A (ko) * | 2013-03-28 | 2014-10-08 | 현대제철 주식회사 | 열연강판 및 그 제조 방법 |
| JP5728115B1 (ja) * | 2013-09-27 | 2015-06-03 | 株式会社神戸製鋼所 | 延性および低温靭性に優れた高強度鋼板、並びにその製造方法 |
| CN105420605A (zh) * | 2015-11-30 | 2016-03-23 | 钢铁研究总院 | 一种超低屈强比冷轧双相钢及其制造方法 |
-
2016
- 2016-07-01 KR KR1020160083588A patent/KR101799202B1/ko active Active
-
2017
- 2017-06-30 WO PCT/KR2017/006956 patent/WO2018004297A1/fr not_active Ceased
- 2017-06-30 JP JP2018566924A patent/JP6771047B2/ja active Active
- 2017-06-30 CN CN201780039727.2A patent/CN109328240B/zh active Active
- 2017-06-30 EP EP17820573.8A patent/EP3480332B1/fr active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07278656A (ja) * | 1994-04-04 | 1995-10-24 | Nippon Steel Corp | 低降伏比高張力鋼の製造方法 |
| JP2013049895A (ja) * | 2011-08-31 | 2013-03-14 | Jfe Steel Corp | 高一様伸び特性を備え、かつ溶接部低温靱性に優れた高強度溶接鋼管、およびその製造方法 |
| EP2940172A1 (fr) * | 2012-12-27 | 2015-11-04 | Posco | Feuille d'acier très robuste dotée d'une excellente résistance aux températures cryogéniques et de propriétés de rapport de limite d'élasticité peu élevé, et procédé de fabrication de ladite feuille |
| EP3012340A1 (fr) * | 2013-06-19 | 2016-04-27 | Baoshan Iron & Steel Co., Ltd. | Tôle d'acier ht550 de résistance ultraélevée et d'excellente soudabilité et son procédé de production |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2018004297A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109328240B (zh) | 2022-05-17 |
| JP6771047B2 (ja) | 2020-10-21 |
| WO2018004297A1 (fr) | 2018-01-04 |
| EP3480332B1 (fr) | 2021-10-13 |
| JP2019524987A (ja) | 2019-09-05 |
| CN109328240A (zh) | 2019-02-12 |
| EP3480332A1 (fr) | 2019-05-08 |
| KR101799202B1 (ko) | 2017-11-20 |
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