Patent ID: 11970760
Assignee: DAIDO STEEL CO., LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 0:
1. A metal powder,
comprising:
0.22 mass %≤C≤0.45 mass %,
0.3 mass %≤Si≤3.50 mass %,
Mn≤2.0 mass %,
7.5 mass %≤Cr≤21.0 mass %,
1.5 mass %≤Ni≤7.0 mass %,
Mo≤1.3 mass %,
0.05 mass %≤V≤2.0 mass %,
Al≤0.015 mass %, and
N≤0.20 mass %,
with the balance being Fe and unavoidable impurities,

satisfying:
0.05 mass %≤C+N≤0.58 mass %, and

satisfying the following expression (1) and expression (2):

10 mass %≤15C+Mn+0.5Cr+Ni≤20 mass %  (1), and

Creq/Nieq<5.6  (2)

where

Creq=Cr+Mo+1.5Si+0.5Nb, and

Nieq=Ni+30C+30N+0.5Mn, and

where the characters C, Mn, Cr, Ni, Mo, Si, Nb, and N in the expression (1) and in the definition expressions of Creq and Nieq represent a respective content of each corresponding element in the metal powder in terms of mass %.