IN2015DN00770A - - Google Patents

Info

Publication number
IN2015DN00770A
IN2015DN00770A IN770DEN2015A IN2015DN00770A IN 2015DN00770 A IN2015DN00770 A IN 2015DN00770A IN 770DEN2015 A IN770DEN2015 A IN 770DEN2015A IN 2015DN00770 A IN2015DN00770 A IN 2015DN00770A
Authority
IN
India
Prior art keywords
phase
bainitic ferrite
massive martensite
ratio
moeq
Prior art date
Application number
Other languages
English (en)
Inventor
Chikara Kami
Sota Goto
Original Assignee
Jfe 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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of IN2015DN00770A publication Critical patent/IN2015DN00770A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02Rolling special iron alloys, e.g. stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263Modifying 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
IN770DEN2015 2012-09-13 2013-09-11 IN2015DN00770A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012201262 2012-09-13
PCT/JP2013/005387 WO2014041801A1 (fr) 2012-09-13 2013-09-11 Tôle d'acier laminée à chaud et procédé pour la fabriquer

Publications (1)

Publication Number Publication Date
IN2015DN00770A true IN2015DN00770A (fr) 2015-07-03

Family

ID=50277942

Family Applications (1)

Application Number Title Priority Date Filing Date
IN770DEN2015 IN2015DN00770A (fr) 2012-09-13 2013-09-11

Country Status (8)

Country Link
US (2) US10047416B2 (fr)
EP (1) EP2871253B1 (fr)
JP (1) JP5605526B2 (fr)
KR (1) KR101702793B1 (fr)
CN (1) CN104619877B (fr)
BR (1) BR112015005440B1 (fr)
IN (1) IN2015DN00770A (fr)
WO (1) WO2014041801A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2015DN00770A (fr) 2012-09-13 2015-07-03 Jfe Steel Corp
JP6070642B2 (ja) * 2014-06-20 2017-02-01 Jfeスチール株式会社 高強度でかつ低温靭性に優れた熱延鋼板およびその製造方法
EP2975146A1 (fr) * 2014-07-16 2016-01-20 Uddeholms AB Acier d'outillage pour le travail à froid
JP6369347B2 (ja) * 2015-02-13 2018-08-08 Jfeスチール株式会社 深井戸向けコンダクターケーシング用高強度厚肉スパイラル鋼管及びその製造方法
WO2016157235A1 (fr) * 2015-03-27 2016-10-06 Jfeスチール株式会社 Acier à haute résistance, tube en acier et leurs procédés de fabrication
JP6519024B2 (ja) * 2016-05-31 2019-05-29 Jfeスチール株式会社 低温靭性に優れた低降伏比高強度熱延鋼板の製造方法
JP6565890B2 (ja) * 2016-12-20 2019-08-28 Jfeスチール株式会社 低温靭性に優れた低降伏比高強度熱延鋼板の製造方法
JP6624103B2 (ja) * 2017-02-06 2019-12-25 Jfeスチール株式会社 高強度熱延鋼板およびその製造方法
KR102379935B1 (ko) * 2017-09-19 2022-04-01 닛폰세이테츠 가부시키가이샤 강관 및 강판
JP6693607B1 (ja) * 2018-08-23 2020-05-13 Jfeスチール株式会社 熱延鋼板およびその製造方法
JP6662505B1 (ja) 2018-09-28 2020-03-11 Jfeスチール株式会社 リール工法用長尺鋼管及びその製造方法
EP3859027B1 (fr) * 2018-09-28 2023-08-02 JFE Steel Corporation Plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide et procede de fabrication, et tuyau en acier a haute resistance utilisant une plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide
KR102524176B1 (ko) * 2018-09-28 2023-04-20 제이에프이 스틸 가부시키가이샤 내사워 라인 파이프용 고강도 강판 및 그 제조 방법 그리고 내사워 라인 파이프용 고강도 강판을 사용한 고강도 강관
KR102131538B1 (ko) * 2018-11-30 2020-07-08 주식회사 포스코 냉간가공성 및 ssc 저항성이 우수한 초고강도 강재 및 그 제조방법
KR102326109B1 (ko) * 2019-12-16 2021-11-16 주식회사 포스코 황화물 응력부식 균열 저항성이 우수한 강재 및 이의 제조방법
CN112195404B (zh) * 2020-09-28 2022-04-19 首钢集团有限公司 一种700MPa级含硼汽车扭力梁用钢及其制备方法

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JP2510187B2 (ja) 1987-03-17 1996-06-26 川崎製鉄株式会社 低温靭性に優れた低降伏比高張力ラインパイプ用熱延鋼板の製造方法
DE19612818C2 (de) 1996-03-30 1998-04-09 Schloemann Siemag Ag Verfahren zur Kühlung walzwarmer Stahlprofile
JPH10176239A (ja) * 1996-10-17 1998-06-30 Kobe Steel Ltd 高強度低降伏比パイプ用熱延鋼板及びその製造方法
JP5011773B2 (ja) 2005-03-24 2012-08-29 Jfeスチール株式会社 低温靭性に優れた低降伏比電縫鋼管の製造方法
JP5040197B2 (ja) * 2006-07-10 2012-10-03 Jfeスチール株式会社 加工性に優れ、かつ熱処理後の強度靭性に優れた熱延薄鋼板およびその製造方法
JP5223379B2 (ja) 2007-03-08 2013-06-26 新日鐵住金株式会社 低温靭性に優れるスパイラルパイプ用高強度熱延鋼板およびその製造方法
JP4528356B2 (ja) 2007-07-23 2010-08-18 新日本製鐵株式会社 変形特性に優れた鋼管
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CN102112643B (zh) * 2008-07-31 2013-11-06 杰富意钢铁株式会社 低温韧性优良的厚壁高强度热轧钢板及其制造方法
JP5162382B2 (ja) 2008-09-03 2013-03-13 株式会社神戸製鋼所 低降伏比高靭性厚鋼板
JP5499731B2 (ja) 2009-01-30 2014-05-21 Jfeスチール株式会社 耐hic性に優れた厚肉高張力熱延鋼板及びその製造方法
WO2010087512A1 (fr) 2009-01-30 2010-08-05 Jfeスチール株式会社 Tôle forte d'acier laminée à chaud à résistance élevée à la traction présentant une excellente résistance de hic et son procédé de fabrication
US8784577B2 (en) 2009-01-30 2014-07-22 Jfe Steel Corporation Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof
JP5679114B2 (ja) * 2011-02-24 2015-03-04 Jfeスチール株式会社 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法
WO2013011791A1 (fr) * 2011-07-20 2013-01-24 Jfeスチール株式会社 Plaque d'acier laminée à chaud haute résistance à faible rapport d'élasticité ayant une excellente ténacité à basse température et procédé de production de celle-ci
JP5776398B2 (ja) 2011-02-24 2015-09-09 Jfeスチール株式会社 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法
JP6006477B2 (ja) * 2011-06-24 2016-10-12 株式会社神戸製鋼所 低温靭性と強度のバランスに優れた高強度鋼板の製造方法、及びその制御方法
IN2015DN00770A (fr) 2012-09-13 2015-07-03 Jfe Steel Corp
WO2014041802A1 (fr) * 2012-09-13 2014-03-20 Jfeスチール株式会社 Tôle d'acier laminée à chaud et procédé pour la fabriquer

Also Published As

Publication number Publication date
BR112015005440B1 (pt) 2019-07-30
BR112015005440A2 (pt) 2017-07-04
EP2871253A1 (fr) 2015-05-13
KR20150038746A (ko) 2015-04-08
EP2871253A4 (fr) 2015-11-18
US10047416B2 (en) 2018-08-14
JPWO2014041801A1 (ja) 2016-08-12
US20180312945A1 (en) 2018-11-01
JP5605526B2 (ja) 2014-10-15
KR101702793B1 (ko) 2017-02-03
US10900104B2 (en) 2021-01-26
CN104619877A (zh) 2015-05-13
US20150344998A1 (en) 2015-12-03
WO2014041801A1 (fr) 2014-03-20
EP2871253B1 (fr) 2020-06-03
CN104619877B (zh) 2017-06-09

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