Hydraulic Machineries
SR.NO.
TYPICAL APPLICATION
COATING TYPE
MACRO HARDNESS
COATING FUNCTION
RECOMMENDED PROCESS
1
HYDRAULIC RAM
Cr2O3
58-70 HRc
ADHESIVE WEAR
D / P
2
IMPELLERS
SS,Cr2O3
35, 58-70
EROSION WEAR
D / P / H
3
PUMP SHAFTS HEAD
SS,Cr2O3
35, 58-70
WEAR & ABRASION
D / P
4
PISTON HEAD
Al2O3, Alumina Titania
60-65 HRc
FATIGUE WEAR
D / P
5
ROTARY SEAL
Cr2O3 /WC-12 Co
58,-70,58 hrC
FRICTION & WEAR
D / P
6
VALVE GATES
Cr2O3 / WC-12 Co
58-70,58 HRc
EROSION
D / P
A : WIRE ARC SPRAY PROCESS
D : DETONATION SPRAY PROCESS
P : PLASMA SPRAY PROCESS
H : HVOF SPRAY PROCESS
M : METALLIZING-WIRE FLAME SPRAY PROCESS

PF : POWDER FLAME SPRAY PROCESS