Q235B Welded Steel Pipeline
Packing:Standard Seaworthy Packing
Usage:Oil Gas Sewage Transport
Grade:Q235B
Delivery Time:7-21 days
Q235B Welded Steel Pipeline
This welded steel pipe is specifically designed to transport fluids, gases and other media in industrial and infrastructure projects. With its reliable performance, excellent weldability and cost effectiveness, the Q235B welded steel pipe is a trusted choice for a variety of applications requiring durability and structural integrity.
Q235B Welded Steel Pipeline Description
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Product Name |
Q235B Welded Steel Pipeline | ||||
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Standard |
API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A270, ASTM A249, ASTM A511,ASTM A778 ,ASTM A312,ASTM A358,ASTM A409,ASTM A213,ASTM |
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GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,GB/T8163-2008, GB8162-2008,GB/T17396-2009 |
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EN10216-5,EN10217-7,DIN 17456,DIN 17458 |
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JIS G3463,JIS G3119,JIS G3446,JIS G3218,JIS G3258,JIS G3448,JIS H4631 |
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DEP 31,DEP 40,DEP 20,DEP 32,DNV-OS-F101 |
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Grade |
Q195 = S195 / A53 Grade A |
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Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 |
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Q345 = S355JR / A500 Grade B Grade C |
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Outer Diameter |
ERW / HFW |
LSAW / DSAW |
SSAW / HSAW |
RHS |
SHS |
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1/8 - 20 inch |
12 - 56 inch |
8 - 126 inch |
40 x 20 mm |
15 x 15 mm |
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(10.3-508 mm) |
(323.8-1,420 mm) |
(219.1-3,200 mm) |
-1,000 x 800 mm |
-1,000× 1,000 mm |
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Wall Thickness |
0.4 - 16 mm |
6.0 - 40 mm |
6.0 - 26 mm |
1.0 - 30 mm |
0.6 - 30 mm |
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Length |
5.8~12.0 m or as customized |
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Surface Treatment |
Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment) |
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Inspection |
With Chemical Composition and Mechanical Properties Analysis; |
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Dimensional and Visual Inspection, also with Nondestructive Inspection. |
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Product quality inspection items:
In order to ensure the highest quality and reliability of the Q235B welded steel pipe, we have implemented a comprehensive test program, which includes:
Visual Inspection: All welded pipes are visually inspected to identify any surface defects, defects, or deviations from specifications.
Dimensional check: The dimensions of the welded pipe are thoroughly measured to ensure that they meet the specified tolerances.
Weld integrity testing: non-destructive testing methods such as ultrasonic testing or X-ray testing are used to verify the integrity of the weld.
Hydrostatic testing: Welded pipes undergo hydrostatic testing to assess their strength and detect potential leaks.
Mechanical properties testing: Welded pipe samples are tested for mechanical properties, such as tensile strength and elongation, to ensure that they meet the required standards.
Corrosion resistance testing: Corrosion resistance testing is performed to assess the ability of pipelines to withstand corrosive environments.
Chemical analysis: Chemical composition analysis is performed to verify the content of key elements and ensure compliance with material specifications.
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