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 |