WO2016105062A8 - High-strength steel having superior brittle crack arrestability, and production method therefor - Google Patents
High-strength steel having superior brittle crack arrestability, and production method therefor Download PDFInfo
- Publication number
- WO2016105062A8 WO2016105062A8 PCT/KR2015/014054 KR2015014054W WO2016105062A8 WO 2016105062 A8 WO2016105062 A8 WO 2016105062A8 KR 2015014054 W KR2015014054 W KR 2015014054W WO 2016105062 A8 WO2016105062 A8 WO 2016105062A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strength steel
- brittle crack
- production method
- method therefor
- crack arrestability
- Prior art date
Links
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- C21D6/001—Heat treatment of ferrous alloys containing 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
- 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
- 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
- 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
- C22C38/02—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
- C22C38/08—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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
-
- 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
-
- 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
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580070867.7A CN107109597B (en) | 2014-12-24 | 2015-12-21 | High-strength steel material having excellent brittle crack growth resistance and method for producing same |
JP2017532655A JP6788589B2 (en) | 2014-12-24 | 2015-12-21 | High-strength steel with excellent brittle crack propagation resistance and its manufacturing method |
EP15873589.4A EP3239331B1 (en) | 2014-12-24 | 2015-12-21 | High-strength steel having superior brittle crack arrestability, and production method therefor |
US15/535,582 US20170327922A1 (en) | 2014-12-24 | 2015-12-21 | High-strength steel having superior brittle crack arrestability, and production method therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20140189132 | 2014-12-24 | ||
KR10-2014-0189132 | 2014-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2016105062A1 WO2016105062A1 (en) | 2016-06-30 |
WO2016105062A8 true WO2016105062A8 (en) | 2016-11-24 |
Family
ID=56151008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/014054 WO2016105062A1 (en) | 2014-12-24 | 2015-12-21 | High-strength steel having excellent resistance to brittle crack propagation, and production method therefor |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170327922A1 (en) |
EP (1) | EP3239331B1 (en) |
JP (1) | JP6788589B2 (en) |
KR (1) | KR101746999B1 (en) |
CN (1) | CN107109597B (en) |
WO (1) | WO2016105062A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3239332B1 (en) * | 2014-12-24 | 2019-11-20 | Posco | High-strength steel having superior brittle crack arrestability, and production method therefor |
CN107109590A (en) | 2014-12-24 | 2017-08-29 | Posco公司 | The high strength steel and its manufacture method for the resistant expansibility excellent of resistance to brittle crack |
JP6504131B2 (en) * | 2016-08-09 | 2019-04-24 | Jfeスチール株式会社 | High strength thick steel plate and method of manufacturing the same |
KR101917455B1 (en) * | 2016-12-22 | 2018-11-09 | 주식회사 포스코 | Extremely thick steel having excellent surface part naval research laboratory-drop weight test property |
KR102209561B1 (en) * | 2018-11-30 | 2021-01-28 | 주식회사 포스코 | Ultra thick steel excellent in brittle crack arrestability and manufacturing method for the same |
KR102209547B1 (en) * | 2018-12-19 | 2021-01-28 | 주식회사 포스코 | Ultra thick structural steel having superior brittle crack initiation resistance and method of manufacturing the same |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04180521A (en) * | 1990-11-14 | 1992-06-26 | Kobe Steel Ltd | Production of high tensile thick steel plate having high yield strength and high toughness |
JP3211046B2 (en) * | 1994-09-07 | 2001-09-25 | 新日本製鐵株式会社 | Method of manufacturing thick steel plate for welded structure excellent in brittle fracture propagation stopping performance of welded joint |
JP3749616B2 (en) * | 1998-03-26 | 2006-03-01 | 新日本製鐵株式会社 | High-strength steel for welding with excellent toughness of heat affected zone |
JP4830330B2 (en) * | 2005-03-25 | 2011-12-07 | Jfeスチール株式会社 | Manufacturing method of thick-walled low yield ratio high-tensile steel sheet |
KR100723201B1 (en) * | 2005-12-16 | 2007-05-29 | 주식회사 포스코 | High strength and toughness steel having superior toughness in multi-pass welded region and method for manufacturing the same |
KR100660230B1 (en) * | 2005-12-26 | 2006-12-21 | 주식회사 포스코 | Thick steel plate for welded structure having high strength and excellent toughness at the center of thickness and method of producing the same |
JP4058097B2 (en) * | 2006-04-13 | 2008-03-05 | 新日本製鐵株式会社 | High strength steel plate with excellent arrestability |
JP5064150B2 (en) * | 2006-12-14 | 2012-10-31 | 新日本製鐵株式会社 | High strength steel plate with excellent brittle crack propagation stopping performance |
JP4309946B2 (en) * | 2007-03-05 | 2009-08-05 | 新日本製鐵株式会社 | Thick high-strength steel sheet excellent in brittle crack propagation stopping characteristics and method for producing the same |
KR100957964B1 (en) * | 2007-12-26 | 2010-05-17 | 주식회사 포스코 | Steel for a structure having excellent low temperature toughnetss, tensile strength and low yield ratio, of heat affected zone and manufacturing method for the same |
CN102271861B (en) * | 2009-01-14 | 2013-03-20 | 新日铁住金株式会社 | Weld structure having brittle fracture arresting characterstics |
KR101360737B1 (en) * | 2009-12-28 | 2014-02-07 | 주식회사 포스코 | High strength steel plate having excellent resistance to brittle crack initiation and method for manufacturing the same |
KR20120075274A (en) * | 2010-12-28 | 2012-07-06 | 주식회사 포스코 | High strength steel sheet having ultra low temperature toughness and method for manufacturing the same |
WO2012108543A1 (en) * | 2011-02-08 | 2012-08-16 | Jfeスチール株式会社 | Thick steel plate of at least 50mm in thickness with superior long brittle fracture propagation stopping properties, manufacturing method for same, and method for evaluating long brittle fracture propagation stopping performance and test apparatus for same |
KR101614375B1 (en) * | 2011-12-27 | 2016-04-21 | 제이에프이 스틸 가부시키가이샤 | Method for manufacturing high strength steel plate having excellent brittle crack arrestability |
JP5304925B2 (en) * | 2011-12-27 | 2013-10-02 | Jfeスチール株式会社 | Structural high-strength thick steel plate with excellent brittle crack propagation stopping characteristics and method for producing the same |
TWI463018B (en) * | 2012-04-06 | 2014-12-01 | Nippon Steel & Sumitomo Metal Corp | High strength steel plate with excellent crack arrest property |
JP2013221189A (en) * | 2012-04-17 | 2013-10-28 | Nippon Steel & Sumitomo Metal Corp | High-strength thick steel plate excellent in brittle crack propagation arresting capability |
JP2013221190A (en) * | 2012-04-17 | 2013-10-28 | Nippon Steel & Sumitomo Metal Corp | High-strength thick steel plate excellent in brittle crack propagation arresting capability |
KR20130134333A (en) * | 2012-05-30 | 2013-12-10 | 현대제철 주식회사 | High strength steel sheet and method of manufacturing the same |
KR20140098900A (en) * | 2013-01-31 | 2014-08-11 | 현대제철 주식회사 | High strength thick steel plate and method for manufacturing the same |
CN107109590A (en) * | 2014-12-24 | 2017-08-29 | Posco公司 | The high strength steel and its manufacture method for the resistant expansibility excellent of resistance to brittle crack |
EP3239332B1 (en) * | 2014-12-24 | 2019-11-20 | Posco | High-strength steel having superior brittle crack arrestability, and production method therefor |
-
2015
- 2015-12-21 EP EP15873589.4A patent/EP3239331B1/en active Active
- 2015-12-21 CN CN201580070867.7A patent/CN107109597B/en active Active
- 2015-12-21 WO PCT/KR2015/014054 patent/WO2016105062A1/en active Application Filing
- 2015-12-21 JP JP2017532655A patent/JP6788589B2/en active Active
- 2015-12-21 US US15/535,582 patent/US20170327922A1/en not_active Abandoned
- 2015-12-24 KR KR1020150186724A patent/KR101746999B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2018503744A (en) | 2018-02-08 |
EP3239331A4 (en) | 2017-11-08 |
KR101746999B1 (en) | 2017-06-15 |
CN107109597A (en) | 2017-08-29 |
CN107109597B (en) | 2020-01-31 |
EP3239331B1 (en) | 2020-10-28 |
KR20160078926A (en) | 2016-07-05 |
JP6788589B2 (en) | 2020-11-25 |
WO2016105062A1 (en) | 2016-06-30 |
EP3239331A1 (en) | 2017-11-01 |
US20170327922A1 (en) | 2017-11-16 |
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