Title:
WELD MATERIAL FOR HIGH-Cr FERRITIC HEAT-RESISTANT STEEL
Document Type and Number:
Japanese Patent JP2020131289
Kind Code:
A
Abstract:
To provide a weld material for high-Cr ferritic heat-resistant steel improving toughness by preventing occurrence of the δ-ferrite being a soft composition, and capable of obtaining a weld metal having favorable crack resistance and high temperature strength.SOLUTION: A weld material for high-Cr ferritic heat-resistant steel includes: C, Si, Mn, S, Co, V, Nb, W, N and O in a prescribed range, respectively; Ni and P having a restricted prescribed range, respectively; Cr of 8.0-9.5 mass%, Mo of 0.02-0.20 mass% and Cu controlled to less than 0.05 mass%; and the balance of Fe with inevitable impurities.SELECTED DRAWING: None
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Inventors:
MURANISHI YOSHIMASA
OYAMADA HIROMI
TAKAUCHI EIRYO
MIYAMURA TAKEO
NANBA SHIGENOBU
OYAMADA HIROMI
TAKAUCHI EIRYO
MIYAMURA TAKEO
NANBA SHIGENOBU
Application Number:
JP2020021437A
Publication Date:
August 31, 2020
Filing Date:
February 12, 2020
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B23K35/30
Attorney, Agent or Firm:
Patent business corporation glory patent office