JPS53119219A - Manufacture of weldable high tensile steel - Google Patents

Manufacture of weldable high tensile steel

Info

Publication number
JPS53119219A
JPS53119219A JP3497777A JP3497777A JPS53119219A JP S53119219 A JPS53119219 A JP S53119219A JP 3497777 A JP3497777 A JP 3497777A JP 3497777 A JP3497777 A JP 3497777A JP S53119219 A JPS53119219 A JP S53119219A
Authority
JP
Japan
Prior art keywords
high tensile
manufacture
tensile steel
steel
weldable high
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
JP3497777A
Other languages
Japanese (ja)
Inventor
Yasuo Sogo
Katsuaki Minamida
Seinosuke Yano
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 JP3497777A priority Critical patent/JPS53119219A/en
Publication of JPS53119219A publication Critical patent/JPS53119219A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the strength and low temp. toughness of a thick weldable high tensile steel by reducing the carbon equivalent of the steel, adding Nb, and controlling the cooling rate in quenching so as to convert the structure of the steel to fine ferrite and bainite.
COPYRIGHT: (C)1978,JPO&Japio
JP3497777A 1977-03-29 1977-03-29 Manufacture of weldable high tensile steel Pending JPS53119219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3497777A JPS53119219A (en) 1977-03-29 1977-03-29 Manufacture of weldable high tensile steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3497777A JPS53119219A (en) 1977-03-29 1977-03-29 Manufacture of weldable high tensile steel

Publications (1)

Publication Number Publication Date
JPS53119219A true JPS53119219A (en) 1978-10-18

Family

ID=12429194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3497777A Pending JPS53119219A (en) 1977-03-29 1977-03-29 Manufacture of weldable high tensile steel

Country Status (1)

Country Link
JP (1) JPS53119219A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5681619A (en) * 1979-12-03 1981-07-03 Sumitomo Metal Ind Ltd Production of tempered high tensile steel plate
JPS57158320A (en) * 1981-03-25 1982-09-30 Sumitomo Metal Ind Ltd Production of high tensile steel plate of good weldability
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
US4534805A (en) * 1983-03-17 1985-08-13 Armco Inc. Low alloy steel plate and process for production thereof
US8246768B2 (en) 2005-11-09 2012-08-21 Nippon Steel Corporation High-tensile steel plate of low acoustic anisotropy and high weldability having yield stress of 450 MPa or greater and tensile strength of 570 MPa or greater, and process for producing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5681619A (en) * 1979-12-03 1981-07-03 Sumitomo Metal Ind Ltd Production of tempered high tensile steel plate
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
JPS57158320A (en) * 1981-03-25 1982-09-30 Sumitomo Metal Ind Ltd Production of high tensile steel plate of good weldability
US4534805A (en) * 1983-03-17 1985-08-13 Armco Inc. Low alloy steel plate and process for production thereof
US8246768B2 (en) 2005-11-09 2012-08-21 Nippon Steel Corporation High-tensile steel plate of low acoustic anisotropy and high weldability having yield stress of 450 MPa or greater and tensile strength of 570 MPa or greater, and process for producing the same

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