JPS57140858A - Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone - Google Patents

Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone

Info

Publication number
JPS57140858A
JPS57140858A JP2610781A JP2610781A JPS57140858A JP S57140858 A JPS57140858 A JP S57140858A JP 2610781 A JP2610781 A JP 2610781A JP 2610781 A JP2610781 A JP 2610781A JP S57140858 A JPS57140858 A JP S57140858A
Authority
JP
Japan
Prior art keywords
killed steel
weld zone
low temperature
low temp
cod
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
JP2610781A
Other languages
Japanese (ja)
Inventor
Itaru Watanabe
Makoto Yamada
Motoaki Suzuki
Koshiro Tsukada
Takanobu Tokunaga
Yoshitaka Yamazaki
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 JP2610781A priority Critical patent/JPS57140858A/en
Publication of JPS57140858A publication Critical patent/JPS57140858A/en
Pending legal-status Critical Current

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  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE: To enhance the critical COD characteristics of the weld zone of the resulting Al killed steel for low temp. use by providing a specified composition contg. C, Si, Mn, sol. Al and Ti as well as P, S and N in amounts reduced to the utmost.
CONSTITUTION: This Al killed steel for low temp. use has a composition consisting of 0.03W0.12% C, 0.01W0.5% Si, 0.7W1.7% Mn, ≤0.025% P, ≤0.010% S, ≤0.0040% T.N, 0.04W0.12% sol. Al, ≤0.01% Ti and the balance Fe with inevitable impurities. The composition may further contain one or more among ≤ 0.5% Cu, ≤1.5% Ni, ≤1.0% Cr and ≤0.5% Mo. This Al killed steel has a high critical COD value at the bond zone at low temp. and a high absorbed energy value at the bond zone at low temp., so it shows superior toughness at the bond zone.
COPYRIGHT: (C)1982,JPO&Japio
JP2610781A 1981-02-26 1981-02-26 Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone Pending JPS57140858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2610781A JPS57140858A (en) 1981-02-26 1981-02-26 Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2610781A JPS57140858A (en) 1981-02-26 1981-02-26 Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone

Publications (1)

Publication Number Publication Date
JPS57140858A true JPS57140858A (en) 1982-08-31

Family

ID=12184362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2610781A Pending JPS57140858A (en) 1981-02-26 1981-02-26 Aluminum killed steel for low temperature use with superior critical cod characteristic at weld zone

Country Status (1)

Country Link
JP (1) JPS57140858A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238940A (en) * 1985-04-12 1986-10-24 Nippon Steel Corp Low-temperature tough hardening steel excelling in toughness in weld zone
JPS621842A (en) * 1985-06-26 1987-01-07 Nippon Steel Corp Tough, high tension steel having superior toughness in weld zone
JP2021041328A (en) * 2019-09-10 2021-03-18 Ｄｏｗａテクノロジー株式会社 Method for removing mercury
JP2024519805A (en) * 2021-12-02 2024-05-21 莱蕪鋼鉄集団銀山型鋼有限公司 Corrosion-resistant, high-strength steel plate for marine engineering capable of being welded with large heat input and its manufacturing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238940A (en) * 1985-04-12 1986-10-24 Nippon Steel Corp Low-temperature tough hardening steel excelling in toughness in weld zone
JPS621842A (en) * 1985-06-26 1987-01-07 Nippon Steel Corp Tough, high tension steel having superior toughness in weld zone
JP2021041328A (en) * 2019-09-10 2021-03-18 Ｄｏｗａテクノロジー株式会社 Method for removing mercury
JP2024519805A (en) * 2021-12-02 2024-05-21 莱蕪鋼鉄集団銀山型鋼有限公司 Corrosion-resistant, high-strength steel plate for marine engineering capable of being welded with large heat input and its manufacturing method

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