EP3147379A4 - Plaque d'acier épaisse - Google Patents

Plaque d'acier épaisse Download PDF

Info

Publication number: EP3147379A4
Authority: EP; European Patent Office
Prior art keywords: steel plate; thick steel; thick; plate; steel
Prior art date: 2014-05-22
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

Application number

EP15795946.1A

Other languages

German (de)

English (en)

Other versions

EP3147379B1 (fr

EP3147379A1 (fr

Inventor

Yusuke SANDAIJI

Masao Kinefuchi

Haruya KAWANO

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.)

Kobe Steel Ltd

Original Assignee

Kobe Steel 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.)

2014-05-22

Filing date

2015-05-15

Publication date

2017-10-04

2015-05-15 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2015-05-15 Priority to EP19220022.8A priority Critical patent/EP3656886A1/fr

2017-03-29 Publication of EP3147379A1 publication Critical patent/EP3147379A1/fr

2017-10-04 Publication of EP3147379A4 publication Critical patent/EP3147379A4/fr

2020-08-05 Application granted granted Critical

2020-08-05 Publication of EP3147379B1 publication Critical patent/EP3147379B1/fr

Status Active legal-status Critical Current

2035-05-15 Anticipated expiration legal-status Critical

Links

229910000831 Steel Inorganic materials 0.000 title 1
239000010959 steel Substances 0.000 title 1

Classifications

- 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
- 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
- C22C38/16—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
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- 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

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 Steel (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP15795946.1A 2014-05-22 2015-05-15 Plaque d'acier épaisse Active EP3147379B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP19220022.8A EP3656886A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2014106307		2014-05-22
JP2015086047A JP6472315B2 (ja)	2014-05-22	2015-04-20	厚鋼板
PCT/JP2015/064099 WO2015178320A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier épaisse

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19220022.8A Division EP3656886A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier
EP19220022.8A Division-Into EP3656886A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier

Publications (3)

Publication Number	Publication Date
EP3147379A1 EP3147379A1 (fr)	2017-03-29
EP3147379A4 true EP3147379A4 (fr)	2017-10-04
EP3147379B1 EP3147379B1 (fr)	2020-08-05

Family

ID=54553991

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19220022.8A Withdrawn EP3656886A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier
EP15795946.1A Active EP3147379B1 (fr)	2014-05-22	2015-05-15	Plaque d'acier épaisse

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP19220022.8A Withdrawn EP3656886A1 (fr)	2014-05-22	2015-05-15	Plaque d'acier

Country Status (5)

Country	Link
EP (2)	EP3656886A1 (fr)
JP (1)	JP6472315B2 (fr)
KR (2)	KR102218806B1 (fr)
CN (1)	CN106460114B (fr)
WO (1)	WO2015178320A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN105839003B (zh) *	2016-05-31	2017-09-26	江阴兴澄特种钢铁有限公司	一种正火态交货的180～200mm厚EH36钢板及其制备方法
WO2018034071A1 (fr) *	2016-08-19	2018-02-22	株式会社神戸製鋼所	Tôle d'acier épaisse et son procédé de production
JP2018031069A (ja)	2016-08-19	2018-03-01	株式会社神戸製鋼所	厚鋼板およびその製造方法
CN109023048B (zh) *	2018-08-06	2020-08-25	首钢集团有限公司	一种460MPa级高强抗震耐火耐候钢热轧卷板及其生产方法
KR102131538B1 (ko) *	2018-11-30	2020-07-08	주식회사 포스코	냉간가공성 및 ssc 저항성이 우수한 초고강도 강재 및 그 제조방법
KR20220147153A (ko)	2020-06-30	2022-11-02	가부시키가이샤 고베 세이코쇼	후강판 및 그의 제조 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6415319A (en) *	1987-07-08	1989-01-19	Kawasaki Steel Co	Production of high tensile steel plate having excellent brittle fracture generation resistance characteristic
JP2007197823A (ja) *	2005-12-28	2007-08-09	Jfe Steel Kk	低降伏比５５０ＭＰａ級高張力厚鋼板およびその製造方法
JP2008297575A (ja) *	2007-05-29	2008-12-11	Kobe Steel Ltd	疲労亀裂進展抑制特性および脆性破壊抑制特性に優れた鋼板
EP2006407A1 (fr) *	2006-04-13	2008-12-24	Nippon Steel Corporation	Plaque d'acier à résistance élevée pourvue d'une aptitude d'arrêt de fissures supérieure
EP2157203A1 (fr) *	2008-08-12	2010-02-24	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Tôle d'acier hautement résistante à formabilité supérieure
JP2012172256A (ja) *	2011-02-24	2012-09-10	Jfe Steel Corp	低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH1060575A (ja)	1996-08-22	1998-03-03	Sumitomo Metal Ind Ltd	疲労亀裂進展抑制特性に優れた厚鋼板
JP4955497B2 (ja)	2007-09-28	2012-06-20	株式会社神戸製鋼所	疲労特性及び伸びフランジ性バランスに優れた熱延鋼板
JP2011195944A (ja)	2010-03-24	2011-10-06	Jfe Steel Corp	耐疲労き裂伝播特性に優れた鋼材の製造方法
JP6211946B2 (ja) *	2013-09-20	2017-10-11	株式会社神戸製鋼所	疲労特性に優れた厚鋼板およびその製造方法

2015
- 2015-04-20 JP JP2015086047A patent/JP6472315B2/ja not_active Expired - Fee Related
- 2015-05-15 KR KR1020187029512A patent/KR102218806B1/ko active IP Right Grant
- 2015-05-15 EP EP19220022.8A patent/EP3656886A1/fr not_active Withdrawn
- 2015-05-15 KR KR1020167031274A patent/KR20160144439A/ko active IP Right Grant
- 2015-05-15 EP EP15795946.1A patent/EP3147379B1/fr active Active
- 2015-05-15 CN CN201580025803.5A patent/CN106460114B/zh not_active Expired - Fee Related
- 2015-05-15 WO PCT/JP2015/064099 patent/WO2015178320A1/fr active Application Filing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6415319A (en) *	1987-07-08	1989-01-19	Kawasaki Steel Co	Production of high tensile steel plate having excellent brittle fracture generation resistance characteristic
JP2007197823A (ja) *	2005-12-28	2007-08-09	Jfe Steel Kk	低降伏比５５０ＭＰａ級高張力厚鋼板およびその製造方法
EP2006407A1 (fr) *	2006-04-13	2008-12-24	Nippon Steel Corporation	Plaque d'acier à résistance élevée pourvue d'une aptitude d'arrêt de fissures supérieure
JP2008297575A (ja) *	2007-05-29	2008-12-11	Kobe Steel Ltd	疲労亀裂進展抑制特性および脆性破壊抑制特性に優れた鋼板
EP2157203A1 (fr) *	2008-08-12	2010-02-24	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Tôle d'acier hautement résistante à formabilité supérieure
JP2012172256A (ja) *	2011-02-24	2012-09-10	Jfe Steel Corp	低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015178320A1 *

Also Published As

Publication number	Publication date
KR20180115352A (ko)	2018-10-22
EP3656886A1 (fr)	2020-05-27
KR20160144439A (ko)	2016-12-16
KR102218806B1 (ko)	2021-02-22
EP3147379B1 (fr)	2020-08-05
JP2016000855A (ja)	2016-01-07
CN106460114B (zh)	2018-04-06
WO2015178320A1 (fr)	2015-11-26
EP3147379A1 (fr)	2017-03-29
CN106460114A (zh)	2017-02-22
JP6472315B2 (ja)	2019-02-20

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