JPS63190117A - 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 - Google Patents

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

Info

Publication number
JPS63190117A
JPS63190117A JP2050587A JP2050587A JPS63190117A JP S63190117 A JPS63190117 A JP S63190117A JP 2050587 A JP2050587 A JP 2050587A JP 2050587 A JP2050587 A JP 2050587A JP S63190117 A JPS63190117 A JP S63190117A
Authority
JP
Japan
Prior art keywords
steel
steel plate
yield ratio
toughness
less
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.)
Granted
Application number
JP2050587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0579728B2 (enExample
Inventor
Koichi Nakajima
幸一 中島
Hisae Terajima
寺嶋　久栄
Chiaki Shiga
千晃 志賀
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 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
    • 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
    • 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

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 true JPS63190117A (ja) 1988-08-05
JPH0579728B2 JPH0579728B2 (enExample) 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 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02270913A (ja) * 1989-04-11 1990-11-06 Kawasaki Steel Corp 低降伏比高靱性高張力鋼板の製造方法
JP2000160279A (ja) * 1998-11-30 2000-06-13 Ishikawajima Harima Heavy Ind Co Ltd 耐衝撃貫通特性に優れた鋼およびその製造方法
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
EP2360283A4 (en) * 2008-04-09 2011-08-24 Nippon Steel Corp METHOD FOR PRODUCING HIGH-FREEST 780MPA STEEL PLATES WITH EXCELLENT LOW-TEMPERATURE STRENGTH
CN103710640A (zh) * 2013-12-30 2014-04-09 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

Citations (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

Patent Citations (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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02270913A (ja) * 1989-04-11 1990-11-06 Kawasaki Steel Corp 低降伏比高靱性高張力鋼板の製造方法
JP2000160279A (ja) * 1998-11-30 2000-06-13 Ishikawajima Harima Heavy Ind Co Ltd 耐衝撃貫通特性に優れた鋼およびその製造方法
EP2360283A4 (en) * 2008-04-09 2011-08-24 Nippon Steel Corp METHOD FOR PRODUCING HIGH-FREEST 780MPA STEEL PLATES WITH EXCELLENT LOW-TEMPERATURE STRENGTH
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
JP4842402B2 (ja) * 2009-04-17 2011-12-21 新日本製鐵株式会社 低温靭性の優れた高生産型７８０ＭＰａ級高張力鋼板の製造方法
CN103710640A (zh) * 2013-12-30 2014-04-09 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

Also Published As

Publication number Publication date
JPH0579728B2 (enExample) 1993-11-04

Similar Documents

Publication Publication Date Title
JP3990724B2 (ja) 優れた靭性および溶接性を有する高強度二次硬化鋼
JP4071906B2 (ja) 低温靱性の優れた高張力ラインパイプ用鋼管の製造方法
JPH0127128B2 (enExample)
JP2000256795A (ja) 表面割れのない連続鋳造鋳片およびこの鋳片を用いた非調質高張力鋼材の製造方法
JPH04285119A (ja) 低温靱性の優れた厚肉高張力鋼板の製造法
JPH07278656A (ja) 低降伏比高張力鋼の製造方法
JP4112733B2 (ja) 強度および低温靭性に優れた５０キロ（４９０ＭＰａ）ないし６０キロ（５８８ＭＰａ）級の厚手高張力鋼板の製造方法
JPS63286517A (ja) 低降状比高張力鋼の製造方法
JPS63190117A (ja) 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
JP5008879B2 (ja) 強度および低温靭性の優れた高張力鋼板および高張力鋼板の製造方法
JPS6167717A (ja) 溶接熱影響部の強度及び靭性にすぐれた高張力鋼板の製造方法
JPS6117885B2 (enExample)
JPH0277521A (ja) 板厚方向の均質性に優れた溶接用超高張力鋼板の製造方法
JP3327065B2 (ja) 脆性亀裂伝播停止特性に優れた調質型高張力鋼板の製造方法
KR910003883B1 (ko) 용접부인성이 우수한 고장력강인강의 제조방법
JPS6256518A (ja) 大入熱溶接用高張力鋼板の製造方法
JP2532176B2 (ja) 溶接性および脆性亀裂伝播停止特性の優れた高張力鋼の製造方法
JPH03207814A (ja) 低降伏比高張力鋼板の製造方法
JPS6156268A (ja) 高靭性高張力鋼およびその製造法
JPS6286122A (ja) 高強度高溶接性構造用鋼の製造方法
JPH04110423A (ja) 溶接性の優れた低降伏比８０Ｋｇｆ／ｍｍ↑２級鋼板の製造方法
JPH0670250B2 (ja) 靭性の優れた調質型高張力鋼板の製造方法
KR910006028B1 (ko) 저온인성이 우수한 인장강동 60kg/㎟급 비조질 용접용 강
JPS62149845A (ja) 溶接部じん性のすぐれたＣｕ析出型鋼材とその製造方法
JPH01255622A (ja) 耐遅れ割れ特性の優れた直接焼入れ型耐摩耗鋼板の製造方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees