S32100 stainless steel is a high-alloy austenitic stainless steel, which has excellent corrosion resistance and mechanical properties in high-temperature environments. In China, the corresponding grade of S32100 stainless steel is 06Cr18Ni11Ti. 06CR18NI11TI is the specification in the GB T 20878-2007 standard, which is basically the same as the composition and performance of S32100 stainless steel, but the standards of various countries are different.
The chemical composition of S32100 stainless steel mainly includes chromium, nickel, titanium and other elements, of which the content of chromium is as high as 22%, the content of nickel is 8%-11%, and the content of titanium is 05%-1.0%。The content of these elements gives S32100 stainless steel excellent corrosion resistance and mechanical properties in high-temperature environments.
Regarding the question of whether the chemical composition of S32100 stainless steel will change after heating, generally speaking, the chemical composition of S32100 stainless steel will not change significantly during normal heating and welding process. However, if the heating temperature is too high or the welding process is not appropriate, it may cause oxidation, evaporation or segregation of the elements in the material. Therefore, when heating and welding, appropriate process measures need to be taken to ensure the performance and stability of the material.
The impact toughness of S32100 stainless steel refers to its resistance when subjected to shock loads. Due to the large amount of alloying elements in S32100 stainless steel, its impact toughness is lower than that of ordinary stainless steel. Therefore, it is necessary to pay attention to avoid overload or impact force during use, so as to avoid safety accidents such as brittleness.
Finally, there is the issue of the density of S32100 stainless steel. Its density is about 7Around 93 g cm. It should be noted that since the density of the material will be affected by factors such as temperature and pressure, it is necessary to measure and calculate the material in practical applications to ensure the accuracy of its density.
To sum up, S32100 stainless steel is a high-alloy austenitic stainless steel, which corresponds to 06CR18Ni11Ti grade in China. It has excellent corrosion resistance and mechanical properties, and is widely used in equipment and components in harsh environments such as high temperature, high pressure, and corrosion. During use, it is necessary to pay attention to issues such as impact toughness and density of materials to ensure safe and reliable applications. At the same time, appropriate process measures such as heating and welding also need to be taken to ensure the performance and stability of the material.