CONTENTS
Page
Section
2.
DESIGN CONSIDERATIONS . . . . . . . . . . . . . . .39-167
1.
SEQUENCE
. . . . . . . . . . . . . . . . . . . . .39-167
2.
PROCEDURES
. . . . . . . . . . . . . . . . . . . .39-167
Section
3.
PIPING SYSTEM MATERIALS . . . . . . . . . . . . . .39-169
1.
MATERIALS . . . . . . . . . . . . . . . . . . . . .39-169
2.
CLASSIFICATION
. . . . . . . . . . . . . . . . . .39-169
3.
APPLICATIONS . . . . . . . . . . . . . . . . . . .39-169
a.
Justification of Class 2 Materials . . . . . .39-170
b.
Justification of Class 3 Materials . . . . . .39-171
4.
MATERIALS SPECIFICALLY NOT PERMITTED
. . . . . . .39-171
5.
MATERIAL COMPATIBILITY . . . . . . . . . . . . . .39-172
a.
Welded and Brazed Joints . . . . . . . . . . .39-172
b.
Galvanic Corrosion . . . . . . . . . . . . . .39-172
6.
FLUID COMPATIBILITY . .
........
.
.
.
.
.
.39-172
a.
Compatibility with
Oxygen . . . .
.
.
.
.
.
.39-173
b.
Compatibility with
Seawater . . .
.
.
.
.
.
.39-174
c.
Compatibility with
Other Materials
.
.
.
.
.
.39-174
7.
ENVIRONMENTAL COMPATIBILITY . . . . . . . . . . . .39-175
8.
ENGINEERING PROPERTIES . . .
......
.
.
.
.
.39-175
a.
Thermal Conductivity and
Expansion .
.
.
.
.
.39-175
b.
Strength . . . . . . . .
......
.
.
.
.
.39-175
c.
Nil-Ductility Transition
Temperature
.
.
.
.
.39-175
9.
ECONOMIC FACTORS
. . . . . . . . . . . . . . . . .39-176
Section
4.
CONSTRUCTION CONSIDERATIONS . . . . . . . . . . . .39-176
1.
MECHANICAL STRENGTH . . . . . . . . . . . . . . . .39-176
2.
PIPE SUPPORTS . . . . . . . . . . . . . . . . . . .39-176
3.
BENDING . . . . . . . . . . . . . . . . . . . . . .39-176
4.
PIPE
JOINTS . . . . . . . . . . . .
.
.
.
.
.
.
.
.39-178
a.
Welded Joints . . . . . . . .
.
.
.
.
.
.
.
.39-178
b.
Brazed Pipe and Tube Joints .
.
.
.
.
.
.
.
.39-178
c.
Flanged Joints/Bolted Flanges
.
.
.
.
.
.
.
.39-179
d.
Threaded Joints . . . . . . .
.
.
.
.
.
.
.
.39-179
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