JPH0579728B2 - - Google Patents

Info

Publication number
JPH0579728B2
JPH0579728B2 JP62020505A JP2050587A JPH0579728B2 JP H0579728 B2 JPH0579728 B2 JP H0579728B2 JP 62020505 A JP62020505 A JP 62020505A JP 2050587 A JP2050587 A JP 2050587A JP H0579728 B2 JPH0579728 B2 JP H0579728B2
Authority
JP
Japan
Prior art keywords
strength
less
steel
toughness
yield ratio
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 - Fee Related
Application number
JP62020505A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63190117A (ja
Inventor
Koichi Nakajima
Hisae Terajima
Chiaki Shiga
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
Priority to JP2050587A priority Critical patent/JPS63190117A/ja
Publication of JPS63190117A publication Critical patent/JPS63190117A/ja
Publication of JPH0579728B2 publication Critical patent/JPH0579728B2/ja
Granted 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
    • 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
    • C21D8/0247—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)
JP2050587A 1987-02-02 1987-02-02 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極厚高張力鋼板の製造方法 Granted JPS63190117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2050587A JPS63190117A (ja) 1987-02-02 1987-02-02 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極厚高張力鋼板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2050587A JPS63190117A (ja) 1987-02-02 1987-02-02 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極厚高張力鋼板の製造方法

Publications (2)

Publication Number Publication Date
JPS63190117A JPS63190117A (ja) 1988-08-05
JPH0579728B2 true JPH0579728B2 (en]) 1993-11-04

Family

ID=12029017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2050587A Granted JPS63190117A (ja) 1987-02-02 1987-02-02 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極厚高張力鋼板の製造方法

Country Status (1)

Country Link
JP (1) JPS63190117A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2706133B2 (ja) * 1989-04-11 1998-01-28 川崎製鉄株式会社 低降伏比高靱性高張力鋼板の製造方法
JP3576017B2 (ja) * 1998-11-30 2004-10-13 石川島播磨重工業株式会社 耐衝撃貫通特性に優れた鋼の製造方法
JP4410836B2 (ja) * 2008-04-09 2010-02-03 新日本製鐵株式会社 低温靭性の優れた７８０ＭＰａ級高張力鋼板の製造方法
WO2010119989A1 (ja) * 2009-04-17 2010-10-21 新日本製鐵株式会社 低温靭性の優れた高生産型７８０ＭＰａ級高張力鋼板とその製造方法
CN103710640B (zh) * 2013-12-30 2016-05-25 钢铁研究总院 一种经济节约型调质处理690MPa级高强高韧钢板

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148517A (ja) * 1984-08-10 1986-03-10 Nippon Kokan Kk <Nkk> 抗張力６０Ｋｇ／ｍｍ↑２以上の高張力鋼の製造方法

Also Published As

Publication number Publication date
JPS63190117A (ja) 1988-08-05

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Legal Events

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LAPS Cancellation because of no payment of annual fees