Title:
耐水素脆化感受性に優れた溶接金属
Document Type and Number:
Japanese Patent JP5607002
Kind Code:
B2
Abstract:
Disclosed is a weld metal which is formed by gas-shielded arc welding using a flux-cored wire, and which has a specific chemical composition, in which retained austenite particles are present in a number density of 2500 per square millimeter or more and in a total volume fraction of 4.0% or more based on the total volume of entire structures of the weld metal. The weld metal has excellent hydrogen embrittlement resistance and is resistant to cracking at low temperatures even when the weld metal has a high strength.
Inventors:
A noted old Hidenori
Kochi Takuya
Wataru Urushihara
Sato 統宣
Yoshihiko Kitagawa
Kochi Takuya
Wataru Urushihara
Sato 統宣
Yoshihiko Kitagawa
Application Number:
JP2011184117A
Publication Date:
October 15, 2014
Filing Date:
August 25, 2011
Export Citation:
Assignee:
Kobe Steel, Ltd.
International Classes:
B23K35/30; B23K9/173; B23K9/23
Attorney, Agent or Firm:
Hisakazu Ueki
Hisahiko Ueki
Tadashi Sugawa
Hiroaki Ito
Hisahiko Ueki
Tadashi Sugawa
Hiroaki Ito