MIL-HDBK-1005/7A
Table 17 (Continued)
Service Pipe Materials 3
Material
Sizes
Advantages
Disadvantages
Available
Nonflexible. 1
Galvanized
All standard
Less expensive.
Steel
sizes
Low corrosion
Polyethylene
All standard
Long laying
Special
sizes
lengths
tooling
Lightweight
required for
High Impact
fusing joints.
Strength
Subject to
surface change
effected by
long term
ultra-violet
exposure.
Subject to
attack by
organic
solvents or
petroleum
products.
Polyvinyl
All standard
Corrosion
Cannot be
chloride
sizes
resistant.
thawed
(PVC)4
Less expensive.
electrically.
ABS plastic
Ease of
Life
pipe and
installation.
expectancy may
fiber-glass
Good hydraulic
be reduced by
reinforced
characteristics.
constant
plastic pipe
Lightweight.
exposure to
sunlight.
Exposed pipe
requires
support.
Nonflexible. 1
Selected
bedding may be
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