Cold-drawn seamless square tube and seamless round tube to square tube both belong to a kind of seamless square tube products.
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Cold-drawn seamless square tube and seamless round tube changed to square tube in the production process is different. Seamless round tube to square tube is through the seamless round tube after processing into square or rectangular cross-section, while cold drawn seamless square tube is directly through the cold drawing process to create a square or rectangular cross-section of seamless tube.
In appearance, cold-drawn seamless square tube and seamless round tube changed into square tube both show square or rectangular cross-section shape, but there are differences in their internal structure. Cold-drawn seamless square tube due to the use of cold-drawn production process, its grain size is small and uniform, the internal structure is more dense; while the seamless round tube square tube is through the original seamless round tube roll, stretching and other processing processes to change the cross-sectional shape, the internal structure of the cold-drawn seamless square tube is relatively not as dense.
In the field of application, cold-drawn seamless square tube and seamless round tube changed to square tube have a wide range of uses. Seamless round tube to square tube plays an important role in construction, machinery manufacturing, bridge engineering and other fields, often used to construct a variety of support structures and components to withstand pressure. cold-drawn seamless square tube is more often used in areas that require higher precision dimensions, surface quality and mechanical properties, such as automotive manufacturing, aerospace, instrumentation and so on.