Steel pipes that are subjected to fluid pressure should be tested for water pressure to check their resistance to pressure and quality. Under the prescribed pressure, no leakage, no immersion, no expansion is qualified. Some steel pipes should be pressed, expanded and flattened according to standard or demand requirements.
With the development of social economy, the application of stainless steel pipe is more and more extensive. It will bring new changes to all fields. Precision steel pipe is a high-precision steel pipe material after cold-pulled or hot-rolled treatment. Due to the precision steel pipe wall no oxidation layer, high pressure no leakage, high precision, high finish, cold bending, expansion, flattening no deformation, no cracks.
Therefore, the product is mainly used in the production of pneumatic or hydraulic components, such as cylinders or cylinders, can be seamless pipe or welding pipe. Precision steel pipes are characterized by high size, high precision and high surface finish. After heat treatment of precision steel pipe, there is no oxidation film on the inside and outside surface. There are no cracks after the steel pipe is flattened, and there is no deformation in the cold bend. High pressure resistance, can be used for a variety of complex deformation and mechanical deep processing. Stainless steel precision tube is called precision tube because of its high precision and wide tolerance control range.
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