Seamless steel pipes have a hollow cross-section and are widely used as pipelines for transporting fluids, such as oil, natural gas, gas, water, and certain solid materials.
Why is
seamless steel pipe called seamless steel pipe? What is the difference between seamless steel pipes and welded steel pipes?
Today we will analyze this issue:
Seamless steel pipes have a hollow cross-section and are widely used as pipelines for transporting fluids, such as oil, natural gas, gas, water, and certain solid materials. Compared with solid steel such as round steel, steel pipes are lighter in weight when their bending and torsional strength is the same, making them an economical cross-sectional steel. But why is it called seamless? I believe many friends do not know the actual reason. Below, the editor will explain why seamless steel pipes are called seamless.
Why is seamless steel pipe called seamless steel pipe?
The seamless production of seamless steel pipes refers to the production of pipes by piercing steel ingots or solid billets into capillary tubes, which are then hot-rolled, cold-rolled or cold-rolled, without any joint gaps on the inner walls of the pipes; Welded steel pipes refer to steel pipes that are formed by bending and deforming steel strips or plates into circular, square, or other shapes, and then welded together with surface seams. These are the joints of secondary welding on the inner wall of the pipeline.
In short, seamless steel is relative to welded steel pipes, because welded steel pipes are made by butt welding steel strips, and seamless steel pipes are made of a whole round steel without any welds.