Title:
NICKEL GROUP HEAT-RESISTANT CASTING ALLOY, AND MEMBER FOR VACUUM CARBURIZATION FURNACE AND INCINERATOR FIRE GRATE USING THE SAME
Document Type and Number:
Japanese Patent JP2022008206
Kind Code:
A
Abstract:
To more economically provide a nickel group heat-resistant casting alloy which maintains a predetermined component composition and is excellent in corrosion resistance, high temperature strength and abrasion resistance without using a high-cost device using vacuum melting and vacuum casting, and a member for a vacuum carburization furnace and an incinerator fire grate using the same.SOLUTION: A nickel group heat-resistant casting alloy contains, by mass%, 0.05-0.15% C, 0.25-0.75% Si, 0.30-1.00% Mn, 20.00-24.00% Cr, 1.00-3.00% Mo, 13.00-15.00% W, 4-35 ppm H, 15-300 ppm O, and the Ni with inevitable impurities.SELECTED DRAWING: None
Inventors:
MURASE AKIHIRO
GUNJI YASUYUKI
INOUE ETSUO
HIRAYAMA OSAMU
GUNJI YASUYUKI
INOUE ETSUO
HIRAYAMA OSAMU
Application Number:
JP2021103319A
Publication Date:
January 13, 2022
Filing Date:
June 22, 2021
Export Citation:
Assignee:
NIKKO KINZOKU KK
International Classes:
B22D21/00; C22C19/05; C22C1/02
Attorney, Agent or Firm:
Shunichi Yoshimura