CA1234532A - High tensile-high toughness steel - Google Patents

High tensile-high toughness steel

Info

Publication number
CA1234532A
CA1234532A CA000486534A CA486534A CA1234532A CA 1234532 A CA1234532 A CA 1234532A CA 000486534 A CA000486534 A CA 000486534A CA 486534 A CA486534 A CA 486534A CA 1234532 A CA1234532 A CA 1234532A
Authority
CA
Canada
Prior art keywords
steel
weight
ingot
rolling
slab
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
CA000486534A
Other languages
English (en)
French (fr)
Inventor
Masana Imagumbai
Rikio Chijiiwa
Naoomi Yamada
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
Application granted granted Critical
Publication of CA1234532A publication Critical patent/CA1234532A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • 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
    • 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

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)
CA000486534A 1984-07-10 1985-07-09 High tensile-high toughness steel Expired CA1234532A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP142898/84 1984-07-10
JP14289884A JPS6123715A (ja) 1984-07-10 1984-07-10 高張力高靭性鋼板の製造法

Publications (1)

Publication Number Publication Date
CA1234532A true CA1234532A (en) 1988-03-29

Family

ID=15326161

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000486534A Expired CA1234532A (en) 1984-07-10 1985-07-09 High tensile-high toughness steel

Country Status (5)

Country Link
US (1) US4790885A (enFirst)
EP (1) EP0168038B1 (enFirst)
JP (1) JPS6123715A (enFirst)
CA (1) CA1234532A (enFirst)
DE (1) DE3586698T2 (enFirst)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166918A (ja) * 1985-01-17 1986-07-28 Nippon Steel Corp 耐硫化物応力腐食割れ鋼の製造方法
JPS62158817A (ja) * 1985-12-28 1987-07-14 Nippon Steel Corp 高強度高靭性の厚鋼板の製造方法
JPS63266023A (ja) * 1986-12-25 1988-11-02 Kawasaki Steel Corp 直接焼入れ法による引張強さ７０Ｋｇｆ／ｍｍ２以上，降伏比９０％以下の高靭性低降伏比高張力鋼板の製造方法
EP0320003B1 (en) * 1987-12-11 1992-08-26 Nippon Steel Corporation Method of producing steel having a low yield ratio
FR2668169B1 (fr) * 1990-10-18 1993-01-22 Lorraine Laminage Acier a soudabilite amelioree.
CA2186476C (en) * 1995-01-26 2001-01-16 Hiroshi Tamehiro Weldable high strength steel having excellent low temperature toughness
DE19528671C1 (de) * 1995-08-04 1996-10-10 Thyssen Stahl Ag Verwendung eines niedriglegierten hochfesten Feinkornbaustahls für Streckenausbauprofile für Grubenbetriebe und Verfahren zu seiner Herstellung
JP3292671B2 (ja) * 1997-02-10 2002-06-17 川崎製鉄株式会社 深絞り性と耐時効性の良好な冷延鋼板用の熱延鋼帯
EP1288322A1 (en) * 2001-08-29 2003-03-05 Sidmar N.V. An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
DE102007023306A1 (de) * 2007-05-16 2008-11-20 Benteler Stahl/Rohr Gmbh Verwendung einer Stahllegierung für Mantelrohre zur Perforation von Bohrlochverrohrungen sowie Mantelrohr
CA2674197C (en) * 2007-12-07 2014-06-10 Nippon Steel Corporation Steel plate superior in ctod properties of weld heat-affected zone and method of production of same
KR101160790B1 (ko) 2009-05-19 2012-06-27 신닛뽄세이테쯔 카부시키카이샤 용접용 강재 및 그 제조 방법
CN111074148B (zh) * 2018-10-19 2022-03-18 宝山钢铁股份有限公司 一种800MPa级热冲压桥壳钢及其制造方法
CN112575242B (zh) * 2019-09-27 2022-06-24 宝山钢铁股份有限公司 一种合金结构用钢及其制造方法
CN112877608A (zh) * 2020-12-15 2021-06-01 马鞍山钢铁股份有限公司 一种屈服强度大于960MPa的热轧汽车用钢及其制造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043866A1 (en) * 1980-07-15 1982-01-20 Nippon Steel Corporation Process for producing a high-toughness steel
JPS601929B2 (ja) * 1980-10-30 1985-01-18 新日本製鐵株式会社 強靭鋼の製造法
JPS57158320A (en) * 1981-03-25 1982-09-30 Sumitomo Metal Ind Ltd Production of high tensile steel plate of good weldability
JPS5877527A (ja) * 1981-10-31 1983-05-10 Nippon Steel Corp 高強度高靭性鋼の製造法
JPS58153730A (ja) * 1982-03-05 1983-09-12 Sumitomo Metal Ind Ltd 低温用高張力鋼板の製造方法
JPS59100214A (ja) * 1982-11-29 1984-06-09 Nippon Kokan Kk <Nkk> 厚肉高張力鋼の製造方法

Also Published As

Publication number Publication date
EP0168038B1 (en) 1992-09-30
EP0168038A2 (en) 1986-01-15
US4790885A (en) 1988-12-13
DE3586698T2 (de) 1993-05-06
DE3586698D1 (de) 1992-11-05
JPS6123715A (ja) 1986-02-01
EP0168038A3 (en) 1987-02-04
JPH0448848B2 (enFirst) 1992-08-07

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