Pls help me to confirm the equivalent material of the following:

grade 21CrMoV5-7 steel number 1.7709

chemical composition:
C 0.17-0.25
Si max 0.4
Mn 0.4-0.8
Ni max 0.6
P max 0.03
S max 0.03
Cr 1.2 - 1.5
Mo 0.55 - 0.8
V 0.2 - 0.35
Al 0.03