EP3239329B8 - Ultradicker baustahl mit ausgezeichneter beständigkeit gegen sprödrissausbreitung und herstellungsverfahren dafür - Google Patents
Ultradicker baustahl mit ausgezeichneter beständigkeit gegen sprödrissausbreitung und herstellungsverfahren dafür Download PDFInfo
- Publication number
- EP3239329B8 EP3239329B8 EP15873530.8A EP15873530A EP3239329B8 EP 3239329 B8 EP3239329 B8 EP 3239329B8 EP 15873530 A EP15873530 A EP 15873530A EP 3239329 B8 EP3239329 B8 EP 3239329B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- production method
- method therefor
- thick steel
- crack propagation
- excellent resistance
- 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.)
- Active
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
- 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
-
- 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
- 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
- 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
-
- 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
- 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
- C22C38/04—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
- C22C38/08—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
- 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
- C21D2211/009—Pearlite
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140188465A KR101657827B1 (ko) | 2014-12-24 | 2014-12-24 | 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법 |
PCT/KR2015/013557 WO2016105003A1 (ko) | 2014-12-24 | 2015-12-11 | 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP3239329A1 EP3239329A1 (de) | 2017-11-01 |
EP3239329A4 EP3239329A4 (de) | 2017-11-01 |
EP3239329B1 EP3239329B1 (de) | 2019-10-09 |
EP3239329B8 true EP3239329B8 (de) | 2019-11-20 |
Family
ID=56150967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15873530.8A Active EP3239329B8 (de) | 2014-12-24 | 2015-12-11 | Ultradicker baustahl mit ausgezeichneter beständigkeit gegen sprödrissausbreitung und herstellungsverfahren dafür |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170342518A1 (de) |
EP (1) | EP3239329B8 (de) |
JP (1) | JP6475839B2 (de) |
KR (1) | KR101657827B1 (de) |
CN (1) | CN107109591A (de) |
WO (1) | WO2016105003A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101940880B1 (ko) * | 2016-12-22 | 2019-01-21 | 주식회사 포스코 | 저온인성 및 후열처리 특성이 우수한 내sour 후판 강재 및 그 제조방법 |
KR102209547B1 (ko) * | 2018-12-19 | 2021-01-28 | 주식회사 포스코 | 취성균열개시 저항성이 우수한 구조용 극후물 강재 및 그 제조방법 |
CN115354219B (zh) * | 2022-07-06 | 2023-09-15 | 江阴兴澄特种钢铁有限公司 | 一种200~400℃高温强度优异的SA516Gr70钢板及其制造方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH064903B2 (ja) * | 1985-04-09 | 1994-01-19 | 新日本製鐵株式会社 | 脆性き裂伝播停止特性の優れた厚鋼板およびその製造法 |
JPH04180521A (ja) * | 1990-11-14 | 1992-06-26 | Kobe Steel Ltd | 高降伏強度高靭性厚肉高張力鋼板の製造方法 |
JP3474661B2 (ja) * | 1995-01-24 | 2003-12-08 | 新日本製鐵株式会社 | 亀裂伝播停止特性に優れた耐サワー鋼板 |
KR100375086B1 (ko) * | 1997-07-28 | 2003-03-28 | 닛폰 스틸 가부시키가이샤 | 초저온 인성이 탁월한 초고강도 용접성 강판 및 이의 제조방법 |
US6254698B1 (en) * | 1997-12-19 | 2001-07-03 | Exxonmobile Upstream Research Company | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof |
DZ2531A1 (fr) * | 1997-12-19 | 2003-02-08 | Exxon Production Research Co | Procédé de préparation d'une tôle d'acier double phase cette tôle et procédé pour renforcer la résistance à la propagation des fissures. |
JP3417878B2 (ja) * | 1999-07-02 | 2003-06-16 | 株式会社神戸製鋼所 | 伸びフランジ性および疲労特性に優れた高強度熱延鋼板およびその製法 |
KR100380750B1 (ko) | 2000-10-24 | 2003-05-09 | 주식회사 포스코 | 용접열영향부 인성이 우수한 고강도 용접구조용 강재의제조방법 |
US20060169368A1 (en) * | 2004-10-05 | 2006-08-03 | Tenaris Conncections A.G. (A Liechtenstein Corporation) | Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
JP4058097B2 (ja) * | 2006-04-13 | 2008-03-05 | 新日本製鐵株式会社 | アレスト性に優れた高強度厚鋼板 |
JP5064150B2 (ja) * | 2006-12-14 | 2012-10-31 | 新日本製鐵株式会社 | 脆性き裂伝播停止性能に優れた高強度厚鋼板 |
KR100851176B1 (ko) * | 2006-12-27 | 2008-08-08 | 주식회사 포스코 | 저온인성 및 항복강도 이방성이 적은 라인파이프용열연강판과 그 제조방법 |
JP4309946B2 (ja) * | 2007-03-05 | 2009-08-05 | 新日本製鐵株式会社 | 脆性き裂伝播停止特性に優れた厚手高強度鋼板およびその製造方法 |
KR100957961B1 (ko) | 2007-12-26 | 2010-05-17 | 주식회사 포스코 | 용접부 인성이 우수한 고강도 라인파이프 강재 및 그제조방법 |
JP5337412B2 (ja) * | 2008-06-19 | 2013-11-06 | 株式会社神戸製鋼所 | 脆性亀裂伝播停止特性に優れた厚鋼板およびその製造方法 |
KR101360737B1 (ko) * | 2009-12-28 | 2014-02-07 | 주식회사 포스코 | 취성 균열 발생 저항성이 우수한 고강도 강판 및 그 제조방법 |
JP5425702B2 (ja) * | 2010-02-05 | 2014-02-26 | 株式会社神戸製鋼所 | 落重特性に優れた高強度厚鋼板 |
KR101584235B1 (ko) * | 2011-02-08 | 2016-01-11 | 제이에프이 스틸 가부시키가이샤 | 장대 취성 균열 전파 정지 특성이 우수한 판 두께 50㎜ 이상의 후강판 및 그의 제조 방법 그리고 장대 취성 균열 전파 정지 성능을 평가하는 방법 및 시험 장치 |
JP5304925B2 (ja) * | 2011-12-27 | 2013-10-02 | Jfeスチール株式会社 | 脆性亀裂伝播停止特性に優れた構造用高強度厚鋼板およびその製造方法 |
CN104011247B (zh) * | 2011-12-27 | 2016-11-02 | 杰富意钢铁株式会社 | 脆性裂纹传播停止特性优良的高强度厚钢板及其制造方法 |
TWI463018B (zh) * | 2012-04-06 | 2014-12-01 | Nippon Steel & Sumitomo Metal Corp | 具優異裂縫阻滯性之高強度厚鋼板 |
JP2013221189A (ja) * | 2012-04-17 | 2013-10-28 | Nippon Steel & Sumitomo Metal Corp | 脆性亀裂伝播停止性能に優れた高強度厚鋼板 |
JP2013221190A (ja) * | 2012-04-17 | 2013-10-28 | Nippon Steel & Sumitomo Metal Corp | 脆性亀裂伝播停止性能に優れた高強度厚鋼板 |
JP5811032B2 (ja) * | 2012-05-23 | 2015-11-11 | 新日鐵住金株式会社 | Lpgタンク用鋼板 |
WO2014132627A1 (ja) * | 2013-02-28 | 2014-09-04 | Jfeスチール株式会社 | 厚鋼板及び厚鋼板の製造方法 |
JP6086086B2 (ja) * | 2014-03-19 | 2017-03-01 | Jfeスチール株式会社 | 耐hic性能に優れた極厚鋼板およびその製造方法 |
-
2014
- 2014-12-24 KR KR1020140188465A patent/KR101657827B1/ko active IP Right Grant
-
2015
- 2015-12-11 US US15/535,570 patent/US20170342518A1/en not_active Abandoned
- 2015-12-11 CN CN201580070961.2A patent/CN107109591A/zh active Pending
- 2015-12-11 EP EP15873530.8A patent/EP3239329B8/de active Active
- 2015-12-11 JP JP2017532807A patent/JP6475839B2/ja active Active
- 2015-12-11 WO PCT/KR2015/013557 patent/WO2016105003A1/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN107109591A (zh) | 2017-08-29 |
KR20160078668A (ko) | 2016-07-05 |
EP3239329B1 (de) | 2019-10-09 |
WO2016105003A1 (ko) | 2016-06-30 |
US20170342518A1 (en) | 2017-11-30 |
EP3239329A1 (de) | 2017-11-01 |
KR101657827B1 (ko) | 2016-09-20 |
JP2018504524A (ja) | 2018-02-15 |
EP3239329A4 (de) | 2017-11-01 |
JP6475839B2 (ja) | 2019-02-27 |
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