Power Station
SR.NO.
TYPICAL APPLICATION
COATING TYPE
MACRO HARDNESS
COATING FUNCTION
RECOMMENDED PROCESS
1
DRAUGHT FAN BLADES
SS,WC-12Co,Cr3C2
35, 58,65 HRc
CORROSION & PARTICLE ABRASION RESISTANCE
D / P / H / PF
2
FUMACE PIPES
SS
35 HRc
HEAT CORROSION RESISTANCE
D / P
3
GAS TURBINE BLADES
STELLITE, MCrAlY
45 HRc
CORROSION & ABRASION
D / P
4
PROTECTION PLATES OF COMBUSTION CHAMBERS
MCrAlY, ZrO2-8 Y2O3
--
HIGH TEMPERATURE CORROSION RESISTANCE
P
5
TURBINE BLADES
STELLITE, MCrAlY
45 ARC
FRICTION & ABRASION RESISTANCE
D / P / H
6
CYCLONES
SS, WC-12 Co, Cr3C2
35,58,65 HRc
EROSION & CORROSION RESISTANCE
D / P
7
BOILER TUBES
SS
35 HRc
EROSION & CORROSION RESISTANCE
D / P
8
AXIAL FLOW I.D. FAN BLADES
SS, Cr3C2
35,65 HRc
EROSION & CORROSION RESISTANCE
D / P
9
SUPER HEATER TUBES
SS
35 HRc
EROSION OXIDATION, SULFIDATION RESISTANCE
D / P
10
PUMP(SLEEVES)
Cr203
58-70 HRc
ABRASION & CORROSION RESISTANCE
D / P
11
PUMP SHAFTS
SS
,Cr203
ABRASION & CORROSION RESISTANCE
D / P
12
GAS RECIRCULATING FANS
SS,Cr3C2
35,65 HRc
EROSION & CORROSION RESISTANCE
D / P / H
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