The full name of 304 stainless steel round pipe is SUS304 stainless steel pipe. SUS304 stainless steel round pipe is a stainless steel pipe of American grade material, and the domestic grade is equivalent to 0Cr19Ni9 stainless steel pipe, usually replaced by 0Cr18Ni9. The mechanism of stainless steel rust prevention is the formation of a dense oxide film by alloying elements, which isolates oxygen contact and prevents further oxidation. So stainless steel is not "stainless". To ensure the quality of galvanized steel pipe, it is important to purchase from reputable manufacturers who have established quality control measures and certifications. Additionally, independent testing and certification by third-party organizations can provide further assurance of the quality of the product. The main materials of stainless steel welded pipe are: 201, 304, 304L, 316, etc. Stainless steel welded pipe, referred to as welded pipe, is a steel pipe made of commonly used steel or steel strips a…