Substrate: GCr15
Sleeve: brass
Bottom plate: bronze
Piston: 9SiCr HRC60
Piston shoe: brass
Retaining plate: 20CrMnTi, carburization HRC65
Swash plate: GCr15, HRC60
Thrust plate: 38CrMoAl, Nitrization, HRC68
Valve block: HT300
Spool: 42CrMo, HRC 55
Motor housing:HT300
End cover: HT300
3. Product models: