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Fluid Pipe
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Fluid Pipe

For oil and gas transmission and other fluid transfer
National Service Hotline:+86-0510-86160120
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Number of views:
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Product serial number
Specification Range:
∮6-1100×1-100mm
Use:
For oil and gas transmission and other fluid transfer
Main Material:

GB/T8163(10、20、35、45、Q235、Q275、Q345) ASTM/ASME A53/SA53(A、B) ASTM/ASME A106/SA106(A、B、C) JIS G3454(STPG370、STPG410)

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Product description
Parameters

● Standard

GB/T8163-2009 ASTM A53M ASTM A106 Main steel grades: 10, 20, B grade

● Uses

For oil and gas transmission and other fluid transfer

Size deviation

Steel Tube Types

Tube size mm Allowable deviation

Common Grade

High Grade

Hot rolled tube Outer diameter D All ± 1% (minimum is ± 0.50mm)
Wall thickness S All +15%-12.5% (minimum +0.45/ -0.40 mm)
Cold-drawn tube Outer diameter D 6 ~ 10 ± 0.20 mm ± 0.15 mm
> 10 ~ 30 ± 0.40 mm ± 0.20 mm
> 30 ~ 50 ± 0.45 mm ± 0.30 mm
> 50 ± 1% ± 0.8%
Wall thickness S ≤ 1 ± 0.15 mm ± 0.12 mm
> 1 ~ 3 +15%-10% +12.5%-10%
> 3 +12.5%-10% ± 10%

Note: Can also be supplied with deviations according to ASTM standards

 

● Chemical composition, mechanical properties

Standard Steel grade Chemical composition (%)
C Mn Si Cr Ni Cu P.S
GB/T8163 10 0.07~0.13 0.35~0.65 0.17~0.37 ≤ 0.15 ≤ 0.30 ≤ 0.25 ≤ 0.030
20 0.17~0.23 0.35~0.65 0.17~0.37 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.030
Q345 0.12~0.20 1.20~1.60 0.20~0.55       ≤ 0.030

Mechanical properties

Tensile strength (MPa) Yield Strength (MPa) Elongation (%)
10 335~475 ≥ 205 ≥ 24
20 410~550 ≥ 245 ≥ 20
Q345 490~665 ≥ 325 ≥ 21

 

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