Title:
低水素系被覆アーク溶接棒
Document Type and Number:
Japanese Patent JP7055731
Kind Code:
B2
Abstract:
To provide a low-hydrogen type coated arc welding electrode which has suitable arc stability, can provide a preferable penetration bead, is free from a welding defect and provides excellent welded metal even when performing back-bead welding with all posture by using either power source of AC power source and DC power source.SOLUTION: A low-hydrogen type coated arc welding electrode contains, by mass % with respect to coating agent all mass, C of 0.01 to 0.15%, metal carbonates of 35 to 55%, metal fluorides of 4 to 12%, TiOconversion value of 3 to 9%, SiOconversion value of 10 to 20%, AlOconversion value of 0.5 to 3.0%, Si of 3 to 9%, Mn of 1.0 to 5.0%, Ti of 0.1 to 2.5% and the sum of NaO conversion value and KO conversion value of 1.5 to 5.0%.SELECTED DRAWING: None
Inventors:
Masahiro Watanabe
Takahashi
Kentaro Iwatate
Takahashi
Kentaro Iwatate
Application Number:
JP2018213120A
Publication Date:
April 18, 2022
Filing Date:
November 13, 2018
Export Citation:
Assignee:
Nittetsu Welding Industry Co., Ltd.
International Classes:
B23K35/365
Domestic Patent References:
| JP2017217672A | ||||
| JP2015128779A | ||||
| JP62252696A | ||||
| JP3275294A | ||||
| JP2009269055A |
Attorney, Agent or Firm:
Yasuhiko Moto
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