Title:
靭性に優れた溶接金属及びその製造方法
Document Type and Number:
Japanese Patent JP7274951
Kind Code:
B2
Abstract:
To provide a weld metal having excellent toughness and a method of producing the same.SOLUTION: A weld metal having excellent toughness contains, in mass%, C: 0.05% to 0.08%, Si: more than 0.50% and 0.85% or less, Mn: 1.15% to 1.40%, Ca: 0.0005% or less, Al: 0.006% or less, Ti: 0.015% to 0.020%, B: 0.0005% or less, O: 0.0330%-0.0450% with the balance being Fe and impurities, the weld metal structure having 70 area% or more acicular ferrite, the balance including grain boundary ferrite.SELECTED DRAWING: Figure 4
Inventors:
Yuji Kisaka
Fumiaki Kimura
Satoshi Miki
Fumiaki Kimura
Satoshi Miki
Application Number:
JP2019113585A
Publication Date:
May 17, 2023
Filing Date:
June 19, 2019
Export Citation:
Assignee:
Nippon Steel Engineering Co., Ltd.
International Classes:
B23K35/30
Domestic Patent References:
| JP2005230864A | ||||
| JP10237594A | ||||
| JP2000263283A | ||||
| JP11267844A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Hiroshi Yamaguchi
Mitsuo Teramoto
Hiroshi Yamaguchi