GH4708(GH708)
一、化学成份(wt%):
C
Cr
Ni
Co
W
Mo
Al
Ti
Fe
B
Ce
Si
Mn
P
S
0.05~0.1
17.5~20.0
余
≤0.5
5.5~7.5
4.0~6.0
1.9~2.3
1.0~1.4
≤4.0
≤0.008
≤0.03
≤0.4
≤0.015
