JPS52123921A - Production of steel plate with high toughness - Google Patents

Production of steel plate with high toughness

Info

Publication number
JPS52123921A
JPS52123921A JP4094476A JP4094476A JPS52123921A JP S52123921 A JPS52123921 A JP S52123921A JP 4094476 A JP4094476 A JP 4094476A JP 4094476 A JP4094476 A JP 4094476A JP S52123921 A JPS52123921 A JP S52123921A
Authority
JP
Japan
Prior art keywords
production
steel plate
steel
high toughness
toughness
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
JP4094476A
Other languages
Japanese (ja)
Other versions
JPS5621810B2 (en
Inventor
Gennosuke Tenmiyo
Isao Koyubi
Chiaki Ouchi
Tomoyoshi Okita
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 Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP4094476A priority Critical patent/JPS52123921A/en
Publication of JPS52123921A publication Critical patent/JPS52123921A/en
Publication of JPS5621810B2 publication Critical patent/JPS5621810B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain steel with excellent strength and toughness by hot rolling steel of specified composition so that the structure of the steel becomes fine austenite grain and by rapid cooling the hot rolled steel over a specified range of temperature.
COPYRIGHT: (C)1977,JPO&Japio
JP4094476A 1976-04-13 1976-04-13 Production of steel plate with high toughness Granted JPS52123921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4094476A JPS52123921A (en) 1976-04-13 1976-04-13 Production of steel plate with high toughness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4094476A JPS52123921A (en) 1976-04-13 1976-04-13 Production of steel plate with high toughness

Publications (2)

Publication Number Publication Date
JPS52123921A true JPS52123921A (en) 1977-10-18
JPS5621810B2 JPS5621810B2 (en) 1981-05-21

Family

ID=12594610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4094476A Granted JPS52123921A (en) 1976-04-13 1976-04-13 Production of steel plate with high toughness

Country Status (1)

Country Link
JP (1) JPS52123921A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030309A2 (en) * 1979-12-06 1981-06-17 Preussag Stahl Aktiengesellschaft Hot rolled strip or plate of denitrided steel and process for its production
JPS5861223A (en) * 1981-10-07 1983-04-12 Nippon Steel Corp Manufacture of unnormalized high tension steel of higher weldability class than 50kg/mm2 with superior qualitative characteristic in z direction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030309A2 (en) * 1979-12-06 1981-06-17 Preussag Stahl Aktiengesellschaft Hot rolled strip or plate of denitrided steel and process for its production
JPS5861223A (en) * 1981-10-07 1983-04-12 Nippon Steel Corp Manufacture of unnormalized high tension steel of higher weldability class than 50kg/mm2 with superior qualitative characteristic in z direction
JPS62970B2 (en) * 1981-10-07 1987-01-10 Nippon Steel Corp

Also Published As

Publication number Publication date
JPS5621810B2 (en) 1981-05-21

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