DE3270546D1 - Process for manufacturing high-tensile hot-rolled steel strip having a low yield ratio due to its mixed structure - Google Patents

Process for manufacturing high-tensile hot-rolled steel strip having a low yield ratio due to its mixed structure

Info

Publication number
DE3270546D1
DE3270546D1 DE8282900382T DE3270546T DE3270546D1 DE 3270546 D1 DE3270546 D1 DE 3270546D1 DE 8282900382 T DE8282900382 T DE 8282900382T DE 3270546 T DE3270546 T DE 3270546T DE 3270546 D1 DE3270546 D1 DE 3270546D1
Authority
DE
Germany
Prior art keywords
rolled steel
steel strip
low yield
yield ratio
mixed structure
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.)
Expired
Application number
DE8282900382T
Other languages
German (de)
English (en)
Inventor
Masahiko Morita
Junichi Mano
Minoru Nishida
Tomoo Tanaka
Nobuo Aoyagi
Syoichi Takizawa
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE3270546D1 publication Critical patent/DE3270546D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • 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
    • 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
    • C21D2211/005—Ferrite
    • 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
DE8282900382T 1981-02-20 1982-02-02 Process for manufacturing high-tensile hot-rolled steel strip having a low yield ratio due to its mixed structure Expired DE3270546D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56022877A JPS57137426A (en) 1981-02-20 1981-02-20 Production of low yield ratio, high tensile hot rolled steel plate by mixed structure
PCT/JP1982/000030 WO1982002902A1 (en) 1981-02-20 1982-02-02 Process for manufacturing high-tensile,hot-rolled steel strip having a low yield ratio due to its mixed structure

Publications (1)

Publication Number Publication Date
DE3270546D1 true DE3270546D1 (en) 1986-05-22

Family

ID=12094917

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282900382T Expired DE3270546D1 (en) 1981-02-20 1982-02-02 Process for manufacturing high-tensile hot-rolled steel strip having a low yield ratio due to its mixed structure

Country Status (5)

Country Link
US (1) US4502897A (https=)
EP (1) EP0072867B1 (https=)
JP (1) JPS57137426A (https=)
DE (1) DE3270546D1 (https=)
WO (1) WO1982002902A1 (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163454B (en) * 1984-07-04 1988-08-24 Nippon Steel Corp Process for manufacturing parts from non-heat refined steel having improved toughness
US4619714A (en) * 1984-08-06 1986-10-28 The Regents Of The University Of California Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes
DE3440752A1 (de) * 1984-11-08 1986-05-22 Thyssen Stahl AG, 4100 Duisburg Verfahren zur herstellung von warmband mit zweiphasen-gefuege
EP0191873B1 (en) * 1985-02-16 1989-06-28 Ovako Steel Oy Ab Method and steel alloy for producing high-strength hot forgings
US5213634A (en) * 1991-04-08 1993-05-25 Deardo Anthony J Multiphase microalloyed steel and method thereof
JP3039842B2 (ja) * 1994-12-26 2000-05-08 川崎製鉄株式会社 耐衝撃性に優れる自動車用熱延鋼板および冷延鋼板ならびにそれらの製造方法
DE19605696C2 (de) * 1995-06-16 1999-01-07 Thyssen Stahl Ag Ferritischer Stahl und Verfahren zu seiner Herstellung und Verwendung
EP0750049A1 (de) 1995-06-16 1996-12-27 Thyssen Stahl Aktiengesellschaft Ferritischer Stahl und Verfahren zu seiner Herstellung und Verwendung
EP0753597A3 (de) * 1995-07-06 1998-09-02 Benteler Ag Rohre für die Herstellung von Stabilisatoren und Herstellung von Stabilisatoren aus solchen Rohren
CN1043363C (zh) * 1995-08-18 1999-05-12 太原工业大学 稀土深层渗碳钢
DE19610675C1 (de) * 1996-03-19 1997-02-13 Thyssen Stahl Ag Mehrphasenstahl und Verfahren zu seiner Herstellung
US6190469B1 (en) * 1996-11-05 2001-02-20 Pohang Iron & Steel Co., Ltd. Method for manufacturing high strength and high formability hot-rolled transformation induced plasticity steel containing copper
DE19833321A1 (de) * 1998-07-24 2000-01-27 Schloemann Siemag Ag Verfahren und Anlage zur Herstellung von Dualphasen-Stählen
DE19911287C1 (de) 1999-03-13 2000-08-31 Thyssenkrupp Stahl Ag Verfahren zum Erzeugen eines Warmbandes
DE19936151A1 (de) * 1999-07-31 2001-02-08 Thyssenkrupp Stahl Ag Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung
FR2801061B1 (fr) 1999-11-12 2001-12-14 Lorraine Laminage Procede de realisation d'une bande de tole laminere a chaud a tres haute resistance, utilisable pour la mise en forme et notamment pour l'emboutissage
AU780588B2 (en) * 2000-04-07 2005-04-07 Jfe Steel Corporation Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production
JP4051999B2 (ja) * 2001-06-19 2008-02-27 Ｊｆｅスチール株式会社 形状凍結性と成形後の耐久疲労特性に優れた高張力熱延鋼板およびその製造方法
DE10220476B9 (de) * 2002-05-07 2004-12-30 Thyssenkrupp Stahl Ag Stahl und daraus hergestelltes Bauelement für den ballistischen Schutz von Lebewesen, Vorrichtungen oder Bauwerken und Bauelement
KR20030097547A (ko) * 2002-06-21 2003-12-31 주식회사 포스코 극후물 중탄소 고망간강의 내외권부 재질 균일화 방법
DE10327383C5 (de) * 2003-06-18 2013-10-17 Aceria Compacta De Bizkaia S.A. Anlage zur Herstellung von Warmband mit Dualphasengefüge
US20050247382A1 (en) * 2004-05-06 2005-11-10 Sippola Pertti J Process for producing a new high-strength dual-phase steel product from lightly alloyed steel
JP4470701B2 (ja) * 2004-01-29 2010-06-02 Ｊｆｅスチール株式会社 加工性および表面性状に優れた高強度薄鋼板およびその製造方法
US20080095657A1 (en) * 2004-09-02 2008-04-24 The Timken Company Optimization Of Steel Metallurgy To Improve Broach Tool Life
PL1662011T3 (pl) 2004-11-24 2009-06-30 Giovanni Arvedi Walcowana na gorąco taśma ze stali dwufazowej, mająca właściwości taśmy walcowanej na zimno
JP5142068B2 (ja) * 2006-05-17 2013-02-13 日産自動車株式会社 抵抗スポット溶接用高張力鋼板及びその接合方法
KR101899674B1 (ko) 2016-12-19 2018-09-17 주식회사 포스코 저온역 버링성이 우수한 고강도 강판 및 이의 제조방법
WO2018146695A1 (en) * 2017-02-10 2018-08-16 Tata Steel Limited A hot rolled precipitation strengthened and grain refined high strength dual phase steel sheet possessing 600 mpa minimum tensile strength and a process thereof
KR20240087906A (ko) 2022-12-12 2024-06-20 주식회사 포스코 강판 및 그 제조방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH540341A (de) * 1969-06-13 1973-08-15 Mitsubishi Heavy Ind Ltd Verfahren zur Wärmebehandlung eines zu schweissenden Stahls
DE2254014A1 (de) * 1972-11-04 1974-05-16 Midland Ross Corp Waermebehandlungsverfahren fuer bandstahl
US4072543A (en) * 1977-01-24 1978-02-07 Amax Inc. Dual-phase hot-rolled steel strip
JPS5465118A (en) * 1977-11-04 1979-05-25 Nippon Kokan Kk <Nkk> Manufacture of high strength hot rolled steel sheet
JPS5827329B2 (ja) * 1978-04-05 1983-06-08 新日本製鐵株式会社 延性に優れた低降伏比型高張力熱延鋼板の製造方法
JPS5818970B2 (ja) * 1978-08-31 1983-04-15 川崎製鉄株式会社 冷間加工性の優れた高張力薄鋼板の製造方法
JPS5591934A (en) * 1978-12-30 1980-07-11 Nippon Steel Corp Preparation of composite structure high tension hot rolled steel sheet having high ductility and low yield ratio characteristic
DE2916218A1 (de) * 1979-04-21 1980-10-23 Florin Stahl Walzwerk Verfahren zur herstellung von walzstahlerzeugnissen mit mehrschichtigem gefuegeaufbau
SE430902B (sv) * 1979-05-09 1983-12-19 Svenskt Stal Ab Sett att vermebehandla ett stalband med 0,05 - 0,20% kolhalt och laga halter legeringsemnen
JPS5633429A (en) * 1979-08-28 1981-04-03 Sumitomo Metal Ind Ltd Manufacture of hot rolled high tensile steel sheet
JPS56105422A (en) * 1980-01-24 1981-08-21 Sumitomo Metal Ind Ltd Preparation of composite texture type high tensile hot rolled steel plate with excellent surface property
DE3007560A1 (de) * 1980-02-28 1981-09-03 Kawasaki Steel Corp., Kobe, Hyogo Verfahren zum herstellen von warmgewalztem blech mit niedriger streckspannung, hoher zugfestigkeit und ausgezeichnetem formaenderungsvermoegen
JPS56133424A (en) * 1980-03-21 1981-10-19 Sumitomo Metal Ind Ltd Manufacture of composite structure type high-tensile hot-rolled steel plate
US4388122A (en) * 1980-08-11 1983-06-14 Kabushiki Kaisha Kobe Seiko Sho Method of making high strength hot rolled steel sheet having excellent flash butt weldability, fatigue characteristic and formability
JPS5767130A (en) * 1980-10-14 1982-04-23 Kawasaki Steel Corp Production of hot rolled dual phase high tensile steel plate

Also Published As

Publication number Publication date
EP0072867A1 (en) 1983-03-02
JPS6111291B2 (https=) 1986-04-02
JPS57137426A (en) 1982-08-25
US4502897A (en) 1985-03-05
EP0072867A4 (en) 1984-03-26
EP0072867B1 (en) 1986-04-16
WO1982002902A1 (en) 1982-09-02

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Legal Events

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