Page 332 - Corrosion Engineering Principles and Practice

302 C h a p t e r 8 Corrosion Problem Sector $ million %

Corrosion of underground vault Distribution 142 1.21
equipment
Corrosion of flue gas Fossil 131 1.12
desulfurization system
Corrosion in valves Nuclear 120 1.03
Liquid slag corrosion of cyclone Fossil 120 1.02
boilers
Back-end dewpoint corrosion Fossil 120 1.02
Atmospheric corrosion of Distribution 107 0.91
enclosures
Hot corrosion of combustion Combustion 93 0.79
turbine (CT) blades and vanes turbine
Boric acid (H3BO3) corrosion of Nuclear 93 0.79
CS and low-alloy steel parts
Irradiation-assisted SCC of Nuclear 89 0.76
reactor internals
Corrosion in pumps Nuclear 72 0.61
Corrosion of tower footings Transmission 45 0.38
Hot oxidation of CT blades and Combustion 35 0.30
vanes turbine
Corrosion of boiling water Nuclear 32 0.27
reactor control blades
Corrosion of anchor rods Transmission 27 0.23
Corrosion of tower structures Transmission 27 0.23
Heat recovery steam generator Combustion 20 0.17
(HRSG) CF turbine
Conductor deterioration Transmission 18 0.15
HRSG flow-accelerated Combustion 10 0.09
corrosion turbine
HRSG underdeposit corrosion Combustion 10 0.09
turbine
Corrosion of CT compressor Combustion 9 0.08
section turbine
Corrosion of CT exhaust section Combustion 9 0.08
turbine
Corrosion of splices Transmission 9 0.08
Corrosion of shield wires Transmission 9 0.08
Corrosion of substation equipment Transmission 5 0.04

TABLE 8.10 (continued)

303