IT7825788A0 - Metodo per la fabbricazione di lamiere di acciaio a basso tenore di lega e alta resistenza, contenacita' superiore a bassa temperatura. - Google Patents

Metodo per la fabbricazione di lamiere di acciaio a basso tenore di lega e alta resistenza, contenacita' superiore a bassa temperatura.

Info

Publication number
IT7825788A0
IT7825788A0 IT7825788A IT2578878A IT7825788A0 IT 7825788 A0 IT7825788 A0 IT 7825788A0 IT 7825788 A IT7825788 A IT 7825788A IT 2578878 A IT2578878 A IT 2578878A IT 7825788 A0 IT7825788 A0 IT 7825788A0
Authority
IT
Italy
Prior art keywords
manufacture
high strength
steel sheets
alloy content
higher toughness
Prior art date
Application number
IT7825788A
Other languages
English (en)
Other versions
IT1097819B (it
Inventor
Ouchi Chiaki
Okita Tomoyoshi
Matsmoto Kazuaki
Original Assignee
Nippon Kokan Kk
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 Kokan Kk filed Critical Nippon Kokan Kk
Publication of IT7825788A0 publication Critical patent/IT7825788A0/it
Application granted granted Critical
Publication of IT1097819B publication Critical patent/IT1097819B/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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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

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)
IT25788/78A 1977-07-20 1978-07-17 Metodo per la fabbricazione di lamiere di acciaio a basso tenore di lega e alta resistenza,con tenacita' superiore a bassa temperatura IT1097819B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8598077A JPS5421917A (en) 1977-07-20 1977-07-20 Method of manufacturing non-quenched high-tensile steel having high toughness

Publications (2)

Publication Number Publication Date
IT7825788A0 true IT7825788A0 (it) 1978-07-17
IT1097819B IT1097819B (it) 1985-08-31

Family

ID=13873844

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25788/78A IT1097819B (it) 1977-07-20 1978-07-17 Metodo per la fabbricazione di lamiere di acciaio a basso tenore di lega e alta resistenza,con tenacita' superiore a bassa temperatura

Country Status (6)

Country Link
US (1) US4184898A (it)
JP (1) JPS5421917A (it)
CA (1) CA1113353A (it)
FR (1) FR2398114A1 (it)
GB (1) GB2001673B (it)
IT (1) IT1097819B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466321A (en) * 1977-11-05 1979-05-28 Nippon Steel Corp Manufacture of unrefined high tensile steel for welded structure
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
EP0030309B1 (de) * 1979-12-06 1985-02-13 Preussag Stahl Aktiengesellschaft Warmband oder Grobblech aus einem denitrierten Stahl und Verfahren zu seiner Herstellung
JPS582570B2 (ja) * 1979-12-19 1983-01-17 新日本製鐵株式会社 非調質強靭高張力鋼の製造方法
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
JPS5937328B2 (ja) * 1980-09-05 1984-09-08 新日本製鐵株式会社 耐サワ−特性のすぐれた鋼管用熱延鋼材の製造方法
JPS601929B2 (ja) * 1980-10-30 1985-01-18 新日本製鐵株式会社 強靭鋼の製造法
JPS5789754U (it) * 1980-11-25 1982-06-02
JPS5792129A (en) * 1980-11-27 1982-06-08 Nippon Steel Corp Production of nonrefined high toughness steel
US4426235A (en) 1981-01-26 1984-01-17 Kabushiki Kaisha Kobe Seiko Sho Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same
JPS581012A (ja) * 1981-06-25 1983-01-06 Nippon Steel Corp 均質な鋼の製造方法
JPS5861223A (ja) * 1981-10-07 1983-04-12 Nippon Steel Corp Ｚ方向材質特性の優れた５０Ｋｇ／ｍｍ↑２級以上の高溶接性非調質高張力鋼の製造方法
JPS5861224A (ja) * 1981-10-07 1983-04-12 Kobe Steel Ltd 強靭性非調質鋼板の製造方法
JPS5896818A (ja) * 1981-12-07 1983-06-09 Sumitomo Metal Ind Ltd 高強度とすぐれた低温靭性を有する熱間圧延鋼材の製造法
US4534805A (en) * 1983-03-17 1985-08-13 Armco Inc. Low alloy steel plate and process for production thereof
CA1207639A (en) * 1983-03-17 1986-07-15 Rodney J. Jesseman Low alloy steel plate and process for production therefor
US4880480A (en) * 1985-01-24 1989-11-14 Kabushiki Kaisha Kobe Seiko Sho High strength hot rolled steel sheet for wheel rims
JPH0649898B2 (ja) * 1986-01-24 1994-06-29 株式会社神戸製鋼所 溶接熱影響部の靭性に優れた低温用高降伏点鋼の製造方法
DE3883051T2 (de) * 1987-04-24 1993-12-02 Nippon Steel Corp Verfahren zur Herstellung von Stahlblechen mit guter Zähigkeit bei niedrigen Temperaturen.
EP0295500B2 (en) * 1987-06-03 2003-09-10 Nippon Steel Corporation Hot rolled steel sheet with a high strength and a distinguished formability
US5542995A (en) * 1992-02-19 1996-08-06 Reilly; Robert Method of making steel strapping and strip and strapping and strip
US5389164A (en) * 1993-02-10 1995-02-14 Nippon Steel Corporation Production method of strong and tough thick steel plate
US6264767B1 (en) 1995-06-07 2001-07-24 Ipsco Enterprises Inc. Method of producing martensite-or bainite-rich steel using steckel mill and controlled cooling
US5810951A (en) * 1995-06-07 1998-09-22 Ipsco Enterprises Inc. Steckel mill/on-line accelerated cooling combination
BE1010142A6 (fr) * 1996-04-16 1998-01-06 Centre Rech Metallurgique Procede pour la fabrication d'une bande laminee a chaud en acier a haute resistance.
JPH1017986A (ja) 1996-06-28 1998-01-20 Nippon Steel Corp パイプラインの耐外面ｓｃｃ特性に優れた鋼
US6159312A (en) * 1997-12-19 2000-12-12 Exxonmobil Upstream Research Company Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
TW459053B (en) * 1997-12-19 2001-10-11 Exxon Production Research Co Ultra-high strength dual phase steels with excellent cryogenic temperature toughness
US6146472A (en) * 1998-05-28 2000-11-14 The Timken Company Method of making case-carburized steel components with improved core toughness
US6852175B2 (en) * 2001-11-27 2005-02-08 Exxonmobil Upstream Research Company High strength marine structures
JP2005525509A (ja) 2001-11-27 2005-08-25 エクソンモービル アップストリーム リサーチ カンパニー 天然ガス車両のためのｃｎｇ貯蔵及び送出システム
JP4226626B2 (ja) 2005-11-09 2009-02-18 新日本製鐵株式会社 音響異方性が小さく溶接性に優れる、板厚中心部も含めて降伏応力４５０ＭＰａ以上かつ引張強さ５７０ＭＰａ以上の高張力鋼板およびその製造方法
CN102383032B (zh) * 2011-11-07 2013-07-03 武汉钢铁(集团)公司 12吨级车桥桥壳用钢的生产方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539404A (en) * 1967-05-15 1970-11-10 Youngstown Sheet And Tube Co Method of making a low alloy steel
US3787250A (en) * 1971-03-11 1974-01-22 Jones & Laughlin Steel Corp Corrosion-resistant high-strength low-alloy steels
CA1003311A (en) * 1972-12-31 1977-01-11 Hiroshi Takechi High tensile strength structural steel and the manufacture thereof
US3860456A (en) * 1973-05-31 1975-01-14 United States Steel Corp Hot-rolled high-strength low-alloy steel and process for producing same
US4092179A (en) * 1976-12-27 1978-05-30 Jones & Laughlin Steel Corporation Method of producing high strength cold rolled steel sheet

Also Published As

Publication number Publication date
FR2398114B1 (it) 1983-08-05
JPS5721007B2 (it) 1982-05-04
JPS5421917A (en) 1979-02-19
FR2398114A1 (fr) 1979-02-16
IT1097819B (it) 1985-08-31
GB2001673A (en) 1979-02-07
GB2001673B (en) 1982-03-24
CA1113353A (en) 1981-12-01
US4184898A (en) 1980-01-22

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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: 19940726