EP2666880A4 - Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same - Google Patents
Steel material having superior toughness of welded heat-affected zone, and method for manufacturing sameInfo
- Publication number
- EP2666880A4 EP2666880A4 EP12736520.3A EP12736520A EP2666880A4 EP 2666880 A4 EP2666880 A4 EP 2666880A4 EP 12736520 A EP12736520 A EP 12736520A EP 2666880 A4 EP2666880 A4 EP 2666880A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel material
- affected zone
- manufacturing same
- welded 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.)
- Withdrawn
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
- 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
- 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
- C22C38/16—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
- C22C38/28—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
- C22C38/38—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011008258 | 2011-01-18 | ||
JP2011206542A JP5651090B2 (en) | 2011-01-18 | 2011-09-21 | Steel material excellent in toughness of weld heat-affected zone and method for producing the same |
PCT/JP2012/050852 WO2012099119A1 (en) | 2011-01-18 | 2012-01-17 | Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2666880A1 EP2666880A1 (en) | 2013-11-27 |
EP2666880A4 true EP2666880A4 (en) | 2015-02-25 |
Family
ID=46515742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12736520.3A Withdrawn EP2666880A4 (en) | 2011-01-18 | 2012-01-17 | Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2666880A4 (en) |
JP (1) | JP5651090B2 (en) |
KR (1) | KR101512257B1 (en) |
CN (1) | CN103328672B (en) |
WO (1) | WO2012099119A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102912221B (en) * | 2012-10-12 | 2014-05-21 | 舞阳钢铁有限责任公司 | Large-thickness structural steel plate for high-rise building and production method thereof |
EP2975148B1 (en) * | 2013-03-12 | 2019-02-27 | JFE Steel Corporation | Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing method for thick steel sheet |
WO2014141633A1 (en) * | 2013-03-12 | 2014-09-18 | Jfeスチール株式会社 | Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing method for thick steel sheet |
JP6226542B2 (en) * | 2013-03-22 | 2017-11-08 | 株式会社神戸製鋼所 | Steel with excellent toughness in weld heat affected zone |
JP6211296B2 (en) * | 2013-04-30 | 2017-10-11 | 株式会社神戸製鋼所 | Steel plate with excellent sour resistance and HAZ toughness |
WO2015022899A1 (en) | 2013-08-16 | 2015-02-19 | 新日鐵住金株式会社 | Electric-resistance-welded steel pipe with excellent weld quality and method for producing same |
JP6193206B2 (en) * | 2013-12-11 | 2017-09-06 | 株式会社神戸製鋼所 | Steel plate and line pipe steel pipe with excellent sour resistance, HAZ toughness and HAZ hardness |
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 |
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 |
CN116752044A (en) | 2019-06-27 | 2023-09-15 | 日本制铁株式会社 | Steel material and method for producing same |
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 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1312689A1 (en) * | 2001-11-15 | 2003-05-21 | Sumitomo Metal Industries, Ltd. | Steel for machine structural use |
JP2003221643A (en) * | 2002-01-31 | 2003-08-08 | Jfe Steel Kk | Steel product showing excellent toughness of heat- affected zone in ultra-high heat input welding |
JP2009084656A (en) * | 2007-10-02 | 2009-04-23 | Kobe Steel Ltd | High-tensile-strength thick steel plate to be welded having superior toughness of base metal |
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 |
JP2009197267A (en) * | 2008-02-20 | 2009-09-03 | Kobe Steel Ltd | Steel member having excellent toughness in weld heat affected zone, and method for producing the same |
JP2010209433A (en) * | 2009-03-11 | 2010-09-24 | Kobe Steel Ltd | Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP4515430B2 (en) * | 2006-09-29 | 2010-07-28 | 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 |
JP5520105B2 (en) * | 2009-07-15 | 2014-06-11 | 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 |
-
2011
- 2011-09-21 JP JP2011206542A patent/JP5651090B2/en not_active Expired - Fee Related
-
2012
- 2012-01-17 EP EP12736520.3A patent/EP2666880A4/en not_active Withdrawn
- 2012-01-17 CN CN201280005110.6A patent/CN103328672B/en not_active Expired - Fee Related
- 2012-01-17 WO PCT/JP2012/050852 patent/WO2012099119A1/en active Application Filing
- 2012-01-17 KR KR20137018728A patent/KR101512257B1/en active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1312689A1 (en) * | 2001-11-15 | 2003-05-21 | Sumitomo Metal Industries, Ltd. | Steel for machine structural use |
JP2003221643A (en) * | 2002-01-31 | 2003-08-08 | Jfe Steel Kk | Steel product showing excellent toughness of heat- affected zone in ultra-high heat input welding |
JP2009084656A (en) * | 2007-10-02 | 2009-04-23 | Kobe Steel Ltd | High-tensile-strength thick steel plate to be welded having superior toughness of base metal |
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 |
JP2009197267A (en) * | 2008-02-20 | 2009-09-03 | Kobe Steel Ltd | Steel member having excellent toughness in weld heat affected zone, and method for producing the same |
JP2010209433A (en) * | 2009-03-11 | 2010-09-24 | Kobe Steel Ltd | Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same |
Non-Patent Citations (1)
Title |
---|
See also references of WO2012099119A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR101512257B1 (en) | 2015-04-14 |
WO2012099119A1 (en) | 2012-07-26 |
EP2666880A1 (en) | 2013-11-27 |
JP5651090B2 (en) | 2015-01-07 |
JP2012162797A (en) | 2012-08-30 |
KR20130105713A (en) | 2013-09-25 |
CN103328672B (en) | 2015-06-03 |
CN103328672A (en) | 2013-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130620 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20150123 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/14 20060101AFI20150119BHEP Ipc: C22C 38/28 20060101ALI20150119BHEP Ipc: C22C 38/12 20060101ALI20150119BHEP Ipc: C22C 38/02 20060101ALI20150119BHEP Ipc: C22C 38/08 20060101ALI20150119BHEP Ipc: C22C 38/16 20060101ALI20150119BHEP Ipc: C22C 38/04 20060101ALI20150119BHEP Ipc: C22C 38/58 20060101ALI20150119BHEP Ipc: C22C 38/00 20060101ALI20150119BHEP Ipc: C21C 7/06 20060101ALI20150119BHEP Ipc: C21C 7/04 20060101ALI20150119BHEP Ipc: C22C 38/06 20060101ALI20150119BHEP Ipc: C22C 38/38 20060101ALI20150119BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20150728 |