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GB/T13793-2008 Q345C welded steel pipe using hot-dip, electro-leaching process, compared with Q345A, Q345B steel. Q345C steel pipe’s low temperature impact test temperature is low, good performance, mainly for the structure, oil, transportation of liquids and gases, general purpose, the surface can be painted black paint, anti-corrosion oil, galvanized or as customer requirements.
Q345C welded steel pipe Chemical composition
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chemical composition |
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Grade |
Class |
C |
Mn |
Si |
S |
P |
|
|
|
no more than |
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Q345 |
C |
<=0.2 |
<=1.7 |
<=0.5 |
0.03 |
0.03 |
GB/T13793-2008 Q345C welded steel pipe Mechanical properties
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mechanical property |
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Grade |
yield |
Tensile |
Elongation after |
|
strength Rel/N/MM^2 |
strength |
fracture A/% |
|
|
|
R/N/MM^2 |
|
|
|
no less than |
|||
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Q345C |
345 |
470 |
18 |
About Q345C welded steel pipe under GB/T13793-2008 standard mechanical properties and life applications, if you have any you want to know, please feel free to contact us, we will take strict Q345C welded steel pipe product quality supervision, look forward to your calls advice.
