JPS56136958A - High strength steel for high heat input welding - Google Patents

High strength steel for high heat input welding

Info

Publication number
JPS56136958A
JPS56136958A JP3825880A JP3825880A JPS56136958A JP S56136958 A JPS56136958 A JP S56136958A JP 3825880 A JP3825880 A JP 3825880A JP 3825880 A JP3825880 A JP 3825880A JP S56136958 A JPS56136958 A JP S56136958A
Authority
JP
Japan
Prior art keywords
steel
content
heat input
high heat
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.)
Pending
Application number
JP3825880A
Other languages
Japanese (ja)
Inventor
Jun Furusawa
Mutsuo Nakanishi
Kazushige Arimochi
Yoshiaki Kawaguchi
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
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP3825880A priority Critical patent/JPS56136958A/en
Publication of JPS56136958A publication Critical patent/JPS56136958A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arc Welding In General (AREA)

Abstract

PURPOSE: To enhance the stopping characteristics of brittle rupture propagation for the titled steel and the toughness of the high heat input welded bond zone of the steel by restricting the carbon content of the steel to a specified range, reducing the Si content, and controlling the Mo content low.
CONSTITUTION: This high strength steel for high heat input welding is high C-low Si-low Mo steel having a composition contg. 0.16W0.25% C, <0.10% Si, 0.70W 1.20% Mn, 0.20W0.50% Cu, <2.00% Ni, 0.40W1.00% Cr, 0.05W0.25% Mo, 0.02W0.05% V, 0.001W0.003% B and 0.03W0.06% sol. Al. By the C content restricted to said range in combination with the reduced Mo content this steel has enhanced the stopping characteristics of brittle rupture propagation, and the toughness of the high heat input welded bond zone is improved. In addition, the reduced Si content results in further enhanced toughness of the bond zone.
COPYRIGHT: (C)1981,JPO&Japio
JP3825880A 1980-03-27 1980-03-27 High strength steel for high heat input welding Pending JPS56136958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3825880A JPS56136958A (en) 1980-03-27 1980-03-27 High strength steel for high heat input welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3825880A JPS56136958A (en) 1980-03-27 1980-03-27 High strength steel for high heat input welding

Publications (1)

Publication Number Publication Date
JPS56136958A true JPS56136958A (en) 1981-10-26

Family

ID=12520288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3825880A Pending JPS56136958A (en) 1980-03-27 1980-03-27 High strength steel for high heat input welding

Country Status (1)

Country Link
JP (1) JPS56136958A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110184406A (en) * 2019-07-12 2019-08-30 河钢股份有限公司承德分公司 A kind of method for making steel for improving steel scrap and ratio being added

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110184406A (en) * 2019-07-12 2019-08-30 河钢股份有限公司承德分公司 A kind of method for making steel for improving steel scrap and ratio being added

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