EP2977479A4 - Steel material having superior toughness at welding heat affected zone - Google Patents
Steel material having superior toughness at welding heat affected zoneInfo
- Publication number
- EP2977479A4 EP2977479A4 EP14767775.1A EP14767775A EP2977479A4 EP 2977479 A4 EP2977479 A4 EP 2977479A4 EP 14767775 A EP14767775 A EP 14767775A EP 2977479 A4 EP2977479 A4 EP 2977479A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel material
- affected zone
- heat affected
- welding heat
- superior toughness
- 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
-
- 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
- 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
- C22C38/002—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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- 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
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C21D2211/004—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
- 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
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)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013060452A JP6226542B2 (en) | 2013-03-22 | 2013-03-22 | Steel with excellent toughness in weld heat affected zone |
PCT/JP2014/057205 WO2014148447A1 (en) | 2013-03-22 | 2014-03-17 | Steel material having superior toughness at welding heat affected zone |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2977479A1 EP2977479A1 (en) | 2016-01-27 |
EP2977479A4 true EP2977479A4 (en) | 2016-11-30 |
EP2977479B1 EP2977479B1 (en) | 2018-04-25 |
Family
ID=51580126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14767775.1A Not-in-force EP2977479B1 (en) | 2013-03-22 | 2014-03-17 | Steel material having superior toughness at welding heat affected zone |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2977479B1 (en) |
JP (1) | JP6226542B2 (en) |
KR (1) | KR101718275B1 (en) |
CN (1) | CN105051229B (en) |
WO (1) | WO2014148447A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6301805B2 (en) * | 2014-10-17 | 2018-03-28 | 株式会社神戸製鋼所 | Thick steel plate for tanks with excellent toughness of weld heat affected zone |
JP2016216819A (en) * | 2015-05-22 | 2016-12-22 | 株式会社神戸製鋼所 | Thick steel plate and welded joint |
EP3385399A4 (en) * | 2015-12-04 | 2019-05-22 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Non-heat-treated steel sheet having high yield strength in which hardness of a welding-heat-affected zone and degradation of low-temperature toughness of the welding-heat-affected zone are suppressed |
WO2017141424A1 (en) * | 2016-02-19 | 2017-08-24 | 新日鐵住金株式会社 | Steel |
KR102113045B1 (en) * | 2016-02-19 | 2020-05-20 | 닛폰세이테츠 가부시키가이샤 | River |
WO2017183630A1 (en) * | 2016-04-19 | 2017-10-26 | 新日鐵住金株式会社 | Steel |
JP6828638B2 (en) * | 2017-08-14 | 2021-02-10 | 日本製鉄株式会社 | Steel plate and steel plate manufacturing method |
JP2018016890A (en) * | 2017-09-26 | 2018-02-01 | 株式会社神戸製鋼所 | Thick steel sheet for tank excellent in toughness of hot affected zone |
JP7172100B2 (en) * | 2018-04-02 | 2022-11-16 | 日本製鉄株式会社 | Non-oriented electrical steel sheet |
JP7328491B2 (en) * | 2018-11-09 | 2023-08-17 | 日本製鉄株式会社 | Non-oriented electrical steel sheet |
CN116752044A (en) | 2019-06-27 | 2023-09-15 | 日本制铁株式会社 | Steel material and method for producing same |
JP7492118B2 (en) * | 2020-03-25 | 2024-05-29 | 日本製鉄株式会社 | Steel product with low ductile MnS, steel slab, and manufacturing method thereof |
CN113025903B (en) * | 2021-03-04 | 2022-03-25 | 东北大学 | Fine-grain hot-rolled plate strip steel and preparation method thereof |
CN114075617B (en) * | 2021-09-30 | 2023-05-16 | 山东钢铁股份有限公司 | Method for reducing harm of TiN inclusion in steel |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008088486A (en) * | 2006-09-29 | 2008-04-17 | Kobe Steel Ltd | Steel material excellent in toughness and brittle fracture incident characteristic of welding heat-affected zone, and producing method therefor |
JP2009138255A (en) * | 2007-11-13 | 2009-06-25 | Kobe Steel Ltd | High tensile strength thick steel plate for welding, having excellent toughness in heat-affected zone at large heat-input welding |
JP2009179844A (en) * | 2008-01-30 | 2009-08-13 | Kobe Steel Ltd | High tensile strength thick steel plate having excellent toughness in weld heat affected zone |
JP2011038180A (en) * | 2009-07-15 | 2011-02-24 | Kobe Steel Ltd | Steel member having excellent toughness in weld heat affected zone, and method for producing the same |
JP2011127220A (en) * | 2009-11-18 | 2011-06-30 | Kobe Steel Ltd | Method for manufacturing steel member excellent in toughness at weld heat-affected zone |
JP2011219797A (en) * | 2010-04-07 | 2011-11-04 | Kobe Steel Ltd | Thick steel plate excellent in toughness of weld heat-affected zone |
JP2012162797A (en) * | 2011-01-18 | 2012-08-30 | Kobe Steel Ltd | Steel excellent in toughness of weld heat affected zone and method for producing thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11264048A (en) | 1998-03-16 | 1999-09-28 | Nippon Steel Corp | High-strength steel plate excellent in toughness of welded zone |
JP4144121B2 (en) | 1999-07-06 | 2008-09-03 | Jfeスチール株式会社 | Non-tempered high strength steel with excellent toughness of base metal and weld heat affected zone |
JP4762450B2 (en) | 2001-08-06 | 2011-08-31 | 新日本製鐵株式会社 | Method for producing high strength welded structural steel with excellent base metal toughness and weld zone HAZ toughness |
JP4039223B2 (en) | 2002-01-22 | 2008-01-30 | Jfeスチール株式会社 | Thick steel plate with excellent super tough heat input weld heat affected zone toughness and method for producing the same |
JP4261968B2 (en) | 2003-04-24 | 2009-05-13 | 新日本製鐵株式会社 | Steel material excellent in weld heat-affected zone toughness and manufacturing method thereof |
JP5231042B2 (en) * | 2008-02-20 | 2013-07-10 | 株式会社神戸製鋼所 | Steel material excellent in toughness of weld heat-affected zone and method for producing the same |
JP5342902B2 (en) * | 2009-03-11 | 2013-11-13 | 株式会社神戸製鋼所 | Steel material excellent in toughness and base metal fatigue characteristics of weld heat-affected zone and its manufacturing method |
JP5158272B2 (en) * | 2011-03-10 | 2013-03-06 | 新日鐵住金株式会社 | High-strength steel sheet with excellent stretch flangeability and bending workability and method for producing the molten steel |
-
2013
- 2013-03-22 JP JP2013060452A patent/JP6226542B2/en not_active Expired - Fee Related
-
2014
- 2014-03-17 CN CN201480016899.4A patent/CN105051229B/en not_active Expired - Fee Related
- 2014-03-17 EP EP14767775.1A patent/EP2977479B1/en not_active Not-in-force
- 2014-03-17 WO PCT/JP2014/057205 patent/WO2014148447A1/en active Application Filing
- 2014-03-17 KR KR1020157025566A patent/KR101718275B1/en not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008088486A (en) * | 2006-09-29 | 2008-04-17 | Kobe Steel Ltd | Steel material excellent in toughness and brittle fracture incident characteristic of welding heat-affected zone, and producing method therefor |
JP2009138255A (en) * | 2007-11-13 | 2009-06-25 | Kobe Steel Ltd | High tensile strength thick steel plate for welding, having excellent toughness in heat-affected zone at large heat-input welding |
JP2009179844A (en) * | 2008-01-30 | 2009-08-13 | Kobe Steel Ltd | High tensile strength thick steel plate having excellent toughness in weld heat affected zone |
JP2011038180A (en) * | 2009-07-15 | 2011-02-24 | Kobe Steel Ltd | Steel member having excellent toughness in weld heat affected zone, and method for producing the same |
JP2011127220A (en) * | 2009-11-18 | 2011-06-30 | Kobe Steel Ltd | Method for manufacturing steel member excellent in toughness at weld heat-affected zone |
JP2011219797A (en) * | 2010-04-07 | 2011-11-04 | Kobe Steel Ltd | Thick steel plate excellent in toughness of weld heat-affected zone |
JP2012162797A (en) * | 2011-01-18 | 2012-08-30 | Kobe Steel Ltd | Steel excellent in toughness of weld heat affected zone and method for producing thereof |
EP2666880A1 (en) * | 2011-01-18 | 2013-11-27 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014148447A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014148447A1 (en) | 2014-09-25 |
KR101718275B1 (en) | 2017-03-20 |
EP2977479B1 (en) | 2018-04-25 |
CN105051229B (en) | 2017-03-15 |
JP2014185364A (en) | 2014-10-02 |
CN105051229A (en) | 2015-11-11 |
JP6226542B2 (en) | 2017-11-08 |
KR20150119391A (en) | 2015-10-23 |
EP2977479A1 (en) | 2016-01-27 |
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