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Stainless Steel uses iron as its base material, and the addition of alloying elements endows Stainless Steel with corrosion resistance at both room temperature and high temperatures, as well as general physical properties similar to common materials.

If there is rust and dirt on the inner surface of the Stainless Steel Tube, a circular wire brush and cloth strips can be tied to thick iron wire or thin steel rope, and pulled back and forth through the tube (for large-diameter fittings, a winch can also be used for dragging back and forth). Then, steam or water is introduced for rinsing, followed by drying the tube with compressed air or an exhaust fan. After this, degreasing can be performed.

There are several reasons for the formation of pores on the surface of 310S Stainless Steel Sheet. For example, if the base material has high carbon, sulfur, or silicon content, pores are likely to occur. The solution is either to replace the base material or to use electrodes with a low-hydrogen slag system.

To verify the logical correctness of the algorithm for the straightness measurement system of 316L stainless steel, a comparison was made between traditional contact measurement methods and the measurement method of this system.

The stainless properties and corrosion resistance of 310S stainless steel are attributed to the formation of a chromium-rich oxide film (passivation film) on its surface. This stainless characteristic and corrosion resistance are relative. Tests indicate that in weak media such as atmosphere and water, as well as in oxidizing media like nitric acid, the corrosion resistance of steel improves with increasing chromium content.

304 Stainless Steel is one of the most widely used chromium-nickel stainless steels. As a versatile steel, it exhibits good corrosion resistance, heat resistance, low-temperature strength, and mechanical properties. It is suitable for hot working such as stamping and bending, and does not undergo heat treatment hardening phenomena (service temperature -196°C to 800°C).