IT1077777B - Procedimento per produrre lamiere di acciaio ad alta resistenza,aventi un'eccellente tenacita' a bassa temperatura con un limite di snervamento non inferiore a 40 kg/mm2 - Google Patents

Procedimento per produrre lamiere di acciaio ad alta resistenza,aventi un'eccellente tenacita' a bassa temperatura con un limite di snervamento non inferiore a 40 kg/mm2

Info

Publication number
IT1077777B
IT1077777B IT2234777A IT2234777A IT1077777B IT 1077777 B IT1077777 B IT 1077777B IT 2234777 A IT2234777 A IT 2234777A IT 2234777 A IT2234777 A IT 2234777A IT 1077777 B IT1077777 B IT 1077777B
Authority
IT
Italy
Prior art keywords
procedure
less
low temperature
high strength
steel sheets
Prior art date
Application number
IT2234777A
Other languages
English (en)
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 JP4025876A external-priority patent/JPS52128821A/ja
Priority claimed from JP4885776A external-priority patent/JPS52131923A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of IT1077777B publication Critical patent/IT1077777B/it

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
    • C21D8/0221—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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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

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)
  • Heat Treatment Of Sheet Steel (AREA)
IT2234777A 1976-04-12 1977-04-12 Procedimento per produrre lamiere di acciaio ad alta resistenza,aventi un'eccellente tenacita' a bassa temperatura con un limite di snervamento non inferiore a 40 kg/mm2 IT1077777B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4025876A JPS52128821A (en) 1976-04-12 1976-04-12 Preparation of high tensile steel having superior low temperature toughness and yield point above 40 kg/pp2
JP4885776A JPS52131923A (en) 1976-04-28 1976-04-28 Production of steel plate with excellent toughness at low temperature for pipe

Publications (1)

Publication Number Publication Date
IT1077777B true IT1077777B (it) 1985-05-04

Family

ID=26379706

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2234777A IT1077777B (it) 1976-04-12 1977-04-12 Procedimento per produrre lamiere di acciaio ad alta resistenza,aventi un'eccellente tenacita' a bassa temperatura con un limite di snervamento non inferiore a 40 kg/mm2

Country Status (5)

Country Link
CA (1) CA1084310A (it)
DE (1) DE2716081C2 (it)
GB (1) GB1573162A (it)
IT (1) IT1077777B (it)
SE (1) SE7704046L (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099016B (en) * 1981-02-26 1985-04-17 Nippon Kokan Kk Steel for welding with high heat input
DE3323929A1 (de) * 1982-07-09 1984-01-12 Mannesmann AG, 4000 Düsseldorf Verfahren zur herstellung von feinkoernigen, schweissbaren grossrohrblechen
CS330783A2 (en) * 1982-07-09 1984-06-18 Mannesmann Ag Zpusob vyroby plechu s jemnozrnnou strukturou z nizce legovane oceli pro vyrobu trub velkeho prumeru
JP2711163B2 (ja) * 1990-01-12 1998-02-10 新日本製鐵株式会社 耐ｃｏ▲下２▼腐食性の優れた高耐食性低合金ラインパイプ用鋼の製造法
NO320153B1 (no) * 1997-02-25 2005-10-31 Sumitomo Metal Ind Stal med hoy seighet og hoy strekkfasthet, samt fremgangsmate for fremstilling
KR102370219B1 (ko) * 2020-07-29 2022-03-08 한국철도기술연구원 철도차량 연결기용 합금강

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773500A (en) * 1970-03-26 1973-11-20 Nippon Steel Corp High tensile steel for large heat-input automatic welding and production process therefor
DE2133744B2 (de) * 1971-07-07 1973-07-12 August Thyssen-Hütte AG, 4100 Duisburg Die verwendung eines vollberuhigten stahles fuer gegenstaende aus warmgewalztem band

Also Published As

Publication number Publication date
DE2716081A1 (de) 1977-11-10
GB1573162A (en) 1980-08-13
SE7704046L (sv) 1977-10-13
DE2716081C2 (de) 1981-10-08
CA1084310A (en) 1980-08-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950428