Fluid Pipe

Fluid Pipe
Fluid Pipe
Fluid Pipe
Fluid Pipe
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Fluid pipes are a seamless steel pipe generally used to transport oil, natural gas, petroleum, and other utility products at a pressure less than 10 MPa and temperatures below 350ºC. Yuanhua offers a range of fluid pipes in a diameter of 0.25mm-75mm, and in DN6-DN600 specs. Steel grades used in the construction of these pipes include 10, 20 and Q345B.

Standards
GB/T8163-2008, ASTM A53, ASTM A106, DIN 1629

Uses
Fluid pipes are used to transport petroleum, natural gas and water. These steel piping products are commonly seen in large scale pipelines.

Chemical and Physical Properties
Steel Grades Chemical composition (%) Mechanical properties
C Si Mn P S Cu Ni Cr Yield strength Tensile strength Elongation
MPa MPa Δ(%)
For T in mm
T≤16 T>16
10 0.07-0.13 0.17-0.37 0.35-0.65 0.030 0.030 0.25 0.30 0.15 205 195 335-475 24
20 0.17-0.23 0.17-0.37 0.35-0.65 0.030 0.030 0.25 0.30 0.25 245 235 410-550 20
Q345B ≤0.20 ≤0.50 ≤1.70 0.035 0.035 0.30 0.50 0.30 345 325 470-630 21
Grade Chemical composition (%) Mechanical properties
C Si Mn P S Ni Cr Cu Mo V Yield strength Tensile strength Elongation
MPa MPa δ(%)
Max Min Max Max Max Max Max Max Max Min Min Refer to ASTM A106
A 0.25 0.10 0.27-0.93 0.035 0.035 0.40 0.40 0.40 0.15 0.08 205 330
B 0.30 0.10 0.29-1.06 0.035 0.035 0.40 0.40 0.40 0.15 0.08 240 415
Technical Specs
Outer Diameter Wall Thickness mm
inch mm 2 2.6 3.6 4.5 5.5 7.1 9.5 12.5 13 14-16 17-19 20-25 31-60 61-70 81-90 91-120
0.84 21.3                                
1.05 26.7                                
1.315 33.4                                
1.66 42.2                                
1.9 48.3                                
2.375 60.3                                
2.875 73                                
3.5 88.9                                
4 101.6                                
4.5 114.3                                
5.563 141.3                                
6.625 168.3                                
8.625 219.1                                
10.75 273                                
12.75 323.9                                
14 355.6                                
16 406.4                                
18 457                                
20 508                                
22 559                                
24 610                                
26 660.4                                
28 711.2                                
30 762                                
32 813                                
34 864                                
36 914                                
38 965                                
Application

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