JPS5419412A - High tensilie strength steel excelent in toughness of welded zone - Google Patents

High tensilie strength steel excelent in toughness of welded zone

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Publication number
JPS5419412A
JPS5419412A JP8302377A JP8302377A JPS5419412A JP S5419412 A JPS5419412 A JP S5419412A JP 8302377 A JP8302377 A JP 8302377A JP 8302377 A JP8302377 A JP 8302377A JP S5419412 A JPS5419412 A JP S5419412A
Authority
JP
Japan
Prior art keywords
toughness
strength steel
tensilie
excelent
welded zone
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.)
Pending
Application number
JP8302377A
Other languages
Japanese (ja)
Inventor
Michihiko Nanun
Hirobumi Morikawa
Koji Koko
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.)
Nippon Steel Corp
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP8302377A priority Critical patent/JPS5419412A/en
Publication of JPS5419412A publication Critical patent/JPS5419412A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To accomplish a remarkable improvement in the toughness of welded zone by limiting the conten of Si and N in a high tensile strength steel which is used on the condition that the structure of the welding heat-affected zone changed to an upper bainite.
COPYRIGHT: (C)1979,JPO&Japio
JP8302377A 1977-07-13 1977-07-13 High tensilie strength steel excelent in toughness of welded zone Pending JPS5419412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8302377A JPS5419412A (en) 1977-07-13 1977-07-13 High tensilie strength steel excelent in toughness of welded zone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8302377A JPS5419412A (en) 1977-07-13 1977-07-13 High tensilie strength steel excelent in toughness of welded zone

Publications (1)

Publication Number Publication Date
JPS5419412A true JPS5419412A (en) 1979-02-14

Family

ID=13790630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8302377A Pending JPS5419412A (en) 1977-07-13 1977-07-13 High tensilie strength steel excelent in toughness of welded zone

Country Status (1)

Country Link
JP (1) JPS5419412A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204863A (en) * 1984-03-28 1985-10-16 Kobe Steel Ltd Steel for high heat input welded structure
JPH02282446A (en) * 1989-04-21 1990-11-20 Nippon Steel Corp High toughness and high tensile strength steel of 60kgf/mm2 class yield strength having excellent electron beam weldability

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5179624A (en) * 1974-12-31 1976-07-12 Nippon Steel Corp
JPS5241111A (en) * 1975-09-29 1977-03-30 Kawasaki Steel Corp Refining type low alloy high tension steel having excellent toughness of welded part with large heat input
JPS5262114A (en) * 1975-11-19 1977-05-23 Kawasaki Steel Co Steel having good ductility at point welded above 50000 joule
JPS52104412A (en) * 1976-03-01 1977-09-01 Sumitomo Metal Ind Ltd Temper type high tensile steel superior in weldability
JPS53146215A (en) * 1977-05-26 1978-12-20 Kawasaki Steel Co Highhefficiency welding steel for low temperature use

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5179624A (en) * 1974-12-31 1976-07-12 Nippon Steel Corp
JPS5241111A (en) * 1975-09-29 1977-03-30 Kawasaki Steel Corp Refining type low alloy high tension steel having excellent toughness of welded part with large heat input
JPS5262114A (en) * 1975-11-19 1977-05-23 Kawasaki Steel Co Steel having good ductility at point welded above 50000 joule
JPS52104412A (en) * 1976-03-01 1977-09-01 Sumitomo Metal Ind Ltd Temper type high tensile steel superior in weldability
JPS53146215A (en) * 1977-05-26 1978-12-20 Kawasaki Steel Co Highhefficiency welding steel for low temperature use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204863A (en) * 1984-03-28 1985-10-16 Kobe Steel Ltd Steel for high heat input welded structure
JPH02282446A (en) * 1989-04-21 1990-11-20 Nippon Steel Corp High toughness and high tensile strength steel of 60kgf/mm2 class yield strength having excellent electron beam weldability

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