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Classification of stainless steel pipe: stainless steel seamless steel pipe and stainless steel welded steel pipe (seamless steel pipe) basic two broad categories. According to the outer diameter of the steel tube can be divided into round tubes and shaped tubes, widely used round steel tube, but there are also some square, rectangular, semicircular, hexagonal, equilateral triangle, octagonal and other special-shaped steel.
For steel pipes subject to fluid pressure, hydraulic tests and ray inspections are required to test their pressure resistance and quality. No leaks, soaking, or swelling are acceptable under the specified pressure. Some steel pipes are also required to comply with standards or demand-side requirements. Curling test, flaring test, flattening test, etc.
Seamless stainless steel pipes, also called stainless steel seamless pipes, are made by punching a steel ingot or a solid pipe blank, and then made by hot rolling, cold rolling or cold drawing. The specifications of the seamless steel pipe are expressed in terms of outer diameter*thickness mm.
What is the classification of stainless steel and stainless steel? Stainless steel is a hollow, long cylindrical steel. Its scope of application is used as a conduit for fluids. It is mainly used in petroleum, chemical, medical, food, Light industry, mechanical instruments and other industrial transmission pipelines and mechanical structural components. The stainless steel pipes are made of acid-resistant and heat-resistant steel billets that have been heated, pierced, sizing, hot-rolled, and cut.