Physical Property物理特性
|
Pipe property
|
Unit
|
Value
|
Standard
|
Heat conduction coefficient热传导系数
|
Btu.in/(hr.ft2.℉)
|
2.3
|
HVTM
|
w/m.℃
|
0.33
|
HVTM
|
Heat expansion coefficient热膨胀系数
|
10ˉ6in/in/℉
|
8.7
|
ASTM D696
|
10ˉ6mm/mm/℃
|
15.7
|
ASTM D696
|
Flow coefficient流量系数
|
Hazen Williams
|
150
|
HVTM
|
Absolute roughness绝对粗糙度
|
10ˉ6 in
|
60
|
HVTM
|
10ˉ6 m
|
1.5
|
HVTM
|
Density密度
|
Ib/in3
|
0.073
|
ASTM D792
|
g/cm3
|
1.93
|
ASTM D792
|
Toroidal elastic modulus环向弹性系数
|
Gpa
|
22.8
|
ASTM D2105
|
Axial elastic modulus轴向弹性系数
|
Gpa
|
13.8
|
ASTM D2105
|
Hoop Poisson’s ratio环性泊松比
|
-
|
0.4
|
ASTM D2105
|
Amine TG
|
℃
|
≥145
|
API
|
Safety Coefficient( high pressure)安全系数(高压)
|
Mpa
|
2 times of working pressure)工作压力的2倍
|
API 15HR
|
Safety Coefficient(low pressure)安全系数(低压)
|
Mpa
|
3 times of working pressure)工作压力的3倍
|
API 15LR
|