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Which Is Stronger Round Pipe Or Square Tubing?
Under the same cross-sectional area, square tubes are usually stronger than round tubes. The cross-sectional shape of square tube is more regular, processed more finely, and assembled more firmly. Therefore, at the same size, the structural strength of square tube is greater and more stable than that of round tube. In addition, the four corners of the square tube are connected by welding, making it structurally stronger.
Comparison of structural strength
The strength of square and round pipes mainly depends on their resistance moment (W), which is their ability to resist bending. Generally speaking, square tubes have a greater resistance moment than circular tubes, so they perform better in terms of bending resistance.
Differences in application scenarios
In the field of architecture, square structures are widely used because they do not require consideration of toughness, as buildings are stationary. However, in vehicle manufacturing, circular pipes are more common due to their good elasticity and ability to better absorb impacts and vibrations.