EP3467130A4 - Plaque d'acier à haute résistance mécanique présentant une excellente ténacité à basse température - Google Patents

Plaque d'acier à haute résistance mécanique présentant une excellente ténacité à basse température Download PDF

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Publication number
EP3467130A4
EP3467130A4 EP16903957.5A EP16903957A EP3467130A4 EP 3467130 A4 EP3467130 A4 EP 3467130A4 EP 16903957 A EP16903957 A EP 16903957A EP 3467130 A4 EP3467130 A4 EP 3467130A4
Authority
EP
European Patent Office
Prior art keywords
steel plate
excellent low
temperature toughness
tensile steel
tensile
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
Application number
EP16903957.5A
Other languages
German (de)
English (en)
Other versions
EP3467130A1 (fr
EP3467130B1 (fr
Inventor
Fumitoshi Takamine
Mitsuru Sawamura
Norimasa Kawabata
Toshiaki NAMBA
Naoki Saitoh
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3467130A1 publication Critical patent/EP3467130A1/fr
Publication of EP3467130A4 publication Critical patent/EP3467130A4/fr
Application granted granted Critical
Publication of EP3467130B1 publication Critical patent/EP3467130B1/fr
Active legal-status Critical Current
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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
    • C22C38/001—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
    • C22C38/18—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
    • 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
    • C21D8/0221—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
    • 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
    • C22C38/005—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
    • C22C38/18—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
    • 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
    • C21D2211/008—Martensite

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  • 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)
  • Heat Treatment Of Steel (AREA)
EP16903957.5A 2016-05-31 2016-05-31 Plaque d'acier à haute résistance à la traction présentant une excellente ténacité à basse température Active EP3467130B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/065982 WO2017208329A1 (fr) 2016-05-31 2016-05-31 Plaque d'acier à haute résistance mécanique présentant une excellente ténacité à basse température

Publications (3)

Publication Number Publication Date
EP3467130A1 EP3467130A1 (fr) 2019-04-10
EP3467130A4 true EP3467130A4 (fr) 2019-10-30
EP3467130B1 EP3467130B1 (fr) 2021-04-07

Family

ID=60478167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16903957.5A Active EP3467130B1 (fr) 2016-05-31 2016-05-31 Plaque d'acier à haute résistance à la traction présentant une excellente ténacité à basse température

Country Status (5)

Country Link
EP (1) EP3467130B1 (fr)
JP (1) JP6631702B2 (fr)
KR (1) KR102184966B1 (fr)
CN (1) CN108603258B (fr)
WO (1) WO2017208329A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116200682B (zh) * 2022-12-14 2024-04-16 鞍钢股份有限公司 一种高强度高韧性低温海工钢板及其制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015140846A1 (fr) * 2014-03-20 2015-09-24 Ｊｆｅスチール株式会社 Tôle d'acier épaisse à haute ténacité et haute résistance à la traction et procédé de production s'y rapportant
WO2015162939A1 (fr) * 2014-04-24 2015-10-29 Ｊｆｅスチール株式会社 Tôle épaisse d'acier et son procédé de fabrication
EP2942414A1 (fr) * 2013-03-15 2015-11-11 JFE Steel Corporation Tôle d'acier épaisse, solide et très résistante à la traction, et son procédé de production

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552967Y2 (fr) 1976-04-27 1980-12-09
JP2662409B2 (ja) 1988-02-26 1997-10-15 新日本製鐵株式会社 低温靭性の優れた極厚調質高張力鋼板の製造方法
JP2692523B2 (ja) 1993-02-16 1997-12-17 住友金属工業株式会社 溶接性と低温靱性に優れた７８０ＭＰａ級高張力鋼の製造方法
JPH08143955A (ja) * 1994-11-18 1996-06-04 Nippon Steel Corp 板厚方向に強度が均一な厚肉高張力鋼の製造方法
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability
JP3327065B2 (ja) 1995-08-31 2002-09-24 住友金属工業株式会社 脆性亀裂伝播停止特性に優れた調質型高張力鋼板の製造方法
JP3336877B2 (ja) 1996-10-11 2002-10-21 住友金属工業株式会社 脆性破壊伝播停止特性と溶接性に優れた厚肉高張力鋼板の製造方法
JP4134355B2 (ja) 1997-03-25 2008-08-20 Ｊｆｅスチール株式会社 靱性に優れた連続鋳造製調質型高張力鋼板の製造方法
JP2010106287A (ja) * 2008-10-28 2010-05-13 Jfe Steel Corp 疲労特性に優れた高張力鋼材およびその製造方法
JP2010121191A (ja) * 2008-11-21 2010-06-03 Nippon Steel Corp 耐遅れ破壊特性および溶接性に優れる高強度厚鋼板およびその製造方法
JP2011202214A (ja) 2010-03-25 2011-10-13 Jfe Steel Corp 多層溶接部の低温靭性に優れた厚肉高張力鋼板およびその製造方法
JP5552967B2 (ja) 2010-08-30 2014-07-16 Ｊｆｅスチール株式会社 溶接部の低温靭性に優れる厚肉高張力鋼板およびその製造方法
JP5924058B2 (ja) 2011-10-03 2016-05-25 Ｊｆｅスチール株式会社 溶接熱影響部の低温靭性に優れた高張力鋼板およびその製造方法
JP2013104065A (ja) 2011-11-10 2013-05-30 Jfe Steel Corp 溶接部の低温靭性に優れる厚肉高張力鋼板およびその製造方法
KR101579415B1 (ko) 2012-12-28 2015-12-21 신닛테츠스미킨 카부시키카이샤 항복 강도 670∼870n/㎟ 및 인장 강도 780∼940n/㎟를 갖는 강판
SG11201703782WA (en) 2014-11-18 2017-06-29 Jfe Steel Corp High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2942414A1 (fr) * 2013-03-15 2015-11-11 JFE Steel Corporation Tôle d'acier épaisse, solide et très résistante à la traction, et son procédé de production
WO2015140846A1 (fr) * 2014-03-20 2015-09-24 Ｊｆｅスチール株式会社 Tôle d'acier épaisse à haute ténacité et haute résistance à la traction et procédé de production s'y rapportant
EP3120941A1 (fr) * 2014-03-20 2017-01-25 JFE Steel Corporation Tôle d'acier épaisse à haute ténacité et haute résistance à la traction et procédé de production s'y rapportant
WO2015162939A1 (fr) * 2014-04-24 2015-10-29 Ｊｆｅスチール株式会社 Tôle épaisse d'acier et son procédé de fabrication
EP3135787A1 (fr) * 2014-04-24 2017-03-01 JFE Steel Corporation Tôle d'acier et son procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017208329A1 *

Also Published As

Publication number Publication date
KR102184966B1 (ko) 2020-12-01
KR20180096782A (ko) 2018-08-29
WO2017208329A1 (fr) 2017-12-07
CN108603258A (zh) 2018-09-28
EP3467130A1 (fr) 2019-04-10
JPWO2017208329A1 (ja) 2018-11-29
EP3467130B1 (fr) 2021-04-07
JP6631702B2 (ja) 2020-01-15
CN108603258B (zh) 2021-06-29

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