EP2862953A4 - Steel material having excellent toughness in weld-heat-affected zone - Google Patents

Steel material having excellent toughness in weld-heat-affected zone

Info

Publication number
EP2862953A4
EP2862953A4 EP13806413.4A EP13806413A EP2862953A4 EP 2862953 A4 EP2862953 A4 EP 2862953A4 EP 13806413 A EP13806413 A EP 13806413A EP 2862953 A4 EP2862953 A4 EP 2862953A4
Authority
EP
European Patent Office
Prior art keywords
weld
heat
steel material
affected zone
excellent 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.)
Withdrawn
Application number
EP13806413.4A
Other languages
German (de)
French (fr)
Other versions
EP2862953A1 (en
Inventor
Masaki Shimamoto
Takashi Sugitani
Tetsushi Deura
Hidenori Nako
Akira Ibano
Hiroki Ohta
Shinsuke Sato
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.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP2862953A1 publication Critical patent/EP2862953A1/en
Publication of EP2862953A4 publication Critical patent/EP2862953A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • 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
    • C22C38/16—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
    • 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
EP13806413.4A 2012-06-19 2013-05-31 Steel material having excellent toughness in weld-heat-affected zone Withdrawn EP2862953A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012138047A JP5820341B2 (en) 2012-06-19 2012-06-19 Steel with excellent toughness in weld heat affected zone
PCT/JP2013/065142 WO2013190975A1 (en) 2012-06-19 2013-05-31 Steel material having excellent toughness in weld-heat-affected zone

Publications (2)

Publication Number Publication Date
EP2862953A1 EP2862953A1 (en) 2015-04-22
EP2862953A4 true EP2862953A4 (en) 2016-04-13

Family

ID=49768577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13806413.4A Withdrawn EP2862953A4 (en) 2012-06-19 2013-05-31 Steel material having excellent toughness in weld-heat-affected zone

Country Status (5)

Country Link
EP (1) EP2862953A4 (en)
JP (1) JP5820341B2 (en)
KR (1) KR101697845B1 (en)
CN (1) CN104411849B (en)
WO (1) WO2013190975A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016199806A (en) * 2015-04-10 2016-12-01 株式会社神戸製鋼所 Steel plate for high strength line pipe and steel pipe for high strength line pipe excellent in low temperature toughness
JP2018009239A (en) * 2016-02-15 2018-01-18 株式会社神戸製鋼所 Steel sheet and production method therefor
WO2017141714A1 (en) * 2016-02-15 2017-08-24 株式会社神戸製鋼所 Steel sheet and production method therefor
JP6821993B2 (en) * 2016-07-29 2021-01-27 日本製鉄株式会社 Manufacturing method of low carbon steel thin wall slab
JP7173307B2 (en) * 2019-04-24 2022-11-16 日本製鉄株式会社 steel plate
CN116752044A (en) 2019-06-27 2023-09-15 日本制铁株式会社 Steel material and method for producing same
DE102020208144A1 (en) * 2019-07-03 2021-01-07 Denso Corporation Aluminum alloy plating material
CN111321348B (en) * 2020-03-30 2022-01-11 南京钢铁股份有限公司 L-shaped steel of rib plate for LNG ship and manufacturing method thereof
WO2021255856A1 (en) * 2020-06-17 2021-12-23 日本製鉄株式会社 Box column
KR20220146638A (en) * 2020-08-31 2022-11-01 닛폰세이테츠 가부시키가이샤 Steel plate and its manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008223062A (en) * 2007-03-09 2008-09-25 Kobe Steel Ltd Thick steel plate excellent in toughness of basic material and 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
JP2012092425A (en) * 2010-09-29 2012-05-17 Kobe Steel Ltd Thick steel plate excellent in toughness of weld heat-affected zone

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0853734A (en) * 1994-08-10 1996-02-27 Nippon Steel Corp Production of steel for welding excellent in big heat input weld heat-affected zone toughness
JP4571752B2 (en) * 2000-08-10 2010-10-27 新日本製鐵株式会社 Manufacturing method of high strength steel for welding with excellent toughness of heat affected zone
JP3525905B2 (en) 2001-03-29 2004-05-10 Ｊｆｅスチール株式会社 Method for producing structural steel with excellent toughness in weld heat affected zone
JP4564245B2 (en) * 2003-07-25 2010-10-20 新日本製鐵株式会社 Super high strength welded joint with excellent low temperature cracking property of weld metal and method for producing high strength welded steel pipe
JP4825057B2 (en) 2005-09-12 2011-11-30 株式会社神戸製鋼所 Steel with excellent toughness of weld heat affected zone and its manufacturing method
JP4950528B2 (en) 2006-03-16 2012-06-13 株式会社神戸製鋼所 Low yield ratio high strength steel with excellent toughness of heat affected zone and its manufacturing method
JP4950529B2 (en) 2006-03-16 2012-06-13 株式会社神戸製鋼所 Steel with excellent toughness and base metal toughness of weld heat affected zone and its manufacturing method
JP4673788B2 (en) * 2006-05-11 2011-04-20 新日本製鐵株式会社 Steel excellent in toughness of weld heat-affected zone and method for producing the same
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008223062A (en) * 2007-03-09 2008-09-25 Kobe Steel Ltd Thick steel plate excellent in toughness of basic material and 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
JP2012092425A (en) * 2010-09-29 2012-05-17 Kobe Steel Ltd Thick steel plate excellent in toughness of weld heat-affected zone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013190975A1 *

Also Published As

Publication number Publication date
JP5820341B2 (en) 2015-11-24
CN104411849B (en) 2016-10-19
EP2862953A1 (en) 2015-04-22
JP2014001432A (en) 2014-01-09
KR20150015506A (en) 2015-02-10
WO2013190975A1 (en) 2013-12-27
CN104411849A (en) 2015-03-11
KR101697845B1 (en) 2017-01-18

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