DE3874100D1 - Verfahren zur herstellung von stahl mit niedrigem verhaeltnis der elastizitaetsgrenze zur bruchfestigkeit. - Google Patents

Verfahren zur herstellung von stahl mit niedrigem verhaeltnis der elastizitaetsgrenze zur bruchfestigkeit.

Info

Publication number
DE3874100D1
DE3874100D1 DE8888120633T DE3874100T DE3874100D1 DE 3874100 D1 DE3874100 D1 DE 3874100D1 DE 8888120633 T DE8888120633 T DE 8888120633T DE 3874100 T DE3874100 T DE 3874100T DE 3874100 D1 DE3874100 D1 DE 3874100D1
Authority
DE
Germany
Prior art keywords
breaking
resistance
low ratio
producing steel
elasticity limit
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 - Lifetime
Application number
DE8888120633T
Other languages
English (en)
Other versions
DE3874100T2 (de
Inventor
Yukio C O Nippon Steel Tomita
Ryota C O Nippon Steel Yamaba
Takeshi C O Nippon Ste Tsuzuki
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
Priority claimed from JP31230487A external-priority patent/JPH01156421A/ja
Priority claimed from JP31230587A external-priority patent/JPH01156422A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE3874100D1 publication Critical patent/DE3874100D1/de
Publication of DE3874100T2 publication Critical patent/DE3874100T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D2211/003—Cementite
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
DE8888120633T 1987-12-11 1988-12-09 Verfahren zur herstellung von stahl mit niedrigem verhaeltnis der elastizitaetsgrenze zur bruchfestigkeit. Expired - Fee Related DE3874100T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31230487A JPH01156421A (ja) 1987-12-11 1987-12-11 降伏比の低い鋼材の製造方法
JP31230587A JPH01156422A (ja) 1987-12-11 1987-12-11 降伏比の低い鋼材の製造法

Publications (2)

Publication Number Publication Date
DE3874100D1 true DE3874100D1 (de) 1992-10-01
DE3874100T2 DE3874100T2 (de) 1993-02-11

Family

ID=26567105

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888120633T Expired - Fee Related DE3874100T2 (de) 1987-12-11 1988-12-09 Verfahren zur herstellung von stahl mit niedrigem verhaeltnis der elastizitaetsgrenze zur bruchfestigkeit.

Country Status (3)

Country Link
US (1) US4938266A (de)
EP (1) EP0320003B1 (de)
DE (1) DE3874100T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5409554A (en) * 1993-09-15 1995-04-25 The Timken Company Prevention of particle embrittlement in grain-refined, high-strength steels
MY116920A (en) * 1996-07-01 2004-04-30 Shell Int Research Expansion of tubings
FR2753399B1 (fr) * 1996-09-19 1998-10-16 Lorraine Laminage Tole d'acier lamine a chaud pour emboutissage profond
EP0922777A1 (de) * 1997-11-19 1999-06-16 RECHERCHE ET DEVELOPPEMENT DU GROUPE COCKERILL SAMBRE, en abrégé: RD-CS Flachmaterial, wie Blech, aus Stahl mit hoher Elastizitätsgrenze und mit guterDuktilität sowie dessen Herstellungsverfahren
US6395108B2 (en) 1998-07-08 2002-05-28 Recherche Et Developpement Du Groupe Cockerill Sambre Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product
AU4764999A (en) * 1998-07-08 2000-02-01 Recherche Et Developpement Du Groupe Cockerill Sambre, Rd-Cs Flat product, such as sheet metal, made of steel with high yield strength havinggood ductility and method for making same
FR2790009B1 (fr) * 1999-02-22 2001-04-20 Lorraine Laminage Acier dual-phase a haute limite d'elasticite
US7005016B2 (en) * 2000-01-07 2006-02-28 Dofasco Inc. Hot rolled steel having improved formability
US20050087269A1 (en) * 2003-10-22 2005-04-28 Merwin Matthew J. Method for producing line pipe
AU2005274665B2 (en) * 2004-08-18 2008-03-06 Bishop Innovation Limited Method of manufacturing a hardened forged steel component
CN101006189B (zh) * 2004-08-18 2011-05-18 毕晓普创新有限公司 制造硬化的锻钢部件的方法
JP5305709B2 (ja) 2008-03-28 2013-10-02 株式会社神戸製鋼所 耐応力除去焼鈍特性と低温継手靭性に優れた高強度鋼板
KR101129757B1 (ko) * 2009-03-26 2012-03-23 현대제철 주식회사 박슬라브 에지부 톱날형 결함 저감방법
RU2593810C1 (ru) * 2015-03-04 2016-08-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства высокопрочной листовой стали
RU2613262C2 (ru) * 2015-08-07 2017-03-15 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Способ производства горячекатаного листового проката из низколегированной стали
US11993823B2 (en) 2016-05-10 2024-05-28 United States Steel Corporation High strength annealed steel products and annealing processes for making the same
EP3455068A1 (de) 2016-05-10 2019-03-20 United States Steel Corporation Hochfeste stahlerzeugnisse und glühverfahren zur herstellung davon
US11560606B2 (en) 2016-05-10 2023-01-24 United States Steel Corporation Methods of producing continuously cast hot rolled high strength steel sheet products
BR112021021467A2 (pt) * 2019-05-07 2022-01-04 United States Steel Corp Método para produzir um produto de chapa de aço laminada a quente lingotada continuamente de alta resistência, e, produto de chapa de aço laminada lingotado continuamente de alta resistência
CN113151664B (zh) * 2021-03-31 2023-02-28 甘肃酒钢集团宏兴钢铁股份有限公司 一种工业高纯镍板坯与不锈钢混合加热方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1049173B (it) * 1975-09-12 1981-01-20 Italsider Spa Trattamento termico di tempra intermedia e rinvenimento velocetramite correnti parassite e dispositivo per l applicazione del trattamento ad un impianto di laminazione ad elevata produttivita per prodotti piatti
US4067756A (en) * 1976-11-02 1978-01-10 The United States Of America As Represented By The United States Department Of Energy High strength, high ductility low carbon steel
JPS564608A (en) * 1979-06-26 1981-01-19 Mitsubishi Petrochem Co Ltd Vapor-phase polymerization of olefin
JPS6056019A (ja) * 1983-09-07 1985-04-01 Sumitomo Metal Ind Ltd 強靭鋼の製造方法
US4578124A (en) * 1984-01-20 1986-03-25 Kabushiki Kaisha Kobe Seiko Sho High strength low carbon steels, steel articles thereof and method for manufacturing the steels
JPS6115918A (ja) * 1984-06-29 1986-01-24 Kawasaki Steel Corp 高強度高じん性厚鋼板の製造法
JPS6123715A (ja) * 1984-07-10 1986-02-01 Nippon Steel Corp 高張力高靭性鋼板の製造法

Also Published As

Publication number Publication date
DE3874100T2 (de) 1993-02-11
EP0320003B1 (de) 1992-08-26
US4938266A (en) 1990-07-03
EP0320003A1 (de) 1989-06-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee