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What are the differences between 310S stainless steel and 304 stainless steel
There are certain differences between 310S stainless steel and 304 stainless steel in terms of chemical composition, physical properties and applications. Here are the main distinctions between them:
1. Different chemical compositions: The main components of 310S stainless steel are chromium, nickel and molybdenum, among which the chromium content is 24%-26%, the nickel content is 19%-22%, and the molybdenum content is below 0.75%. While the main components of 304 stainless steel are chromium, nickel and manganese, with the chromium content being 18%-20%, the nickel content being 8%-10.5%, and the manganese content being below 2%. Due to the differences in chemical composition, 310S stainless steel performs better than 304 stainless steel in terms of high-temperature, high-corrosion and high-strength properties.
2. Physical property differences: 310S stainless steel has a higher density, a lower expansion coefficient, and better thermal conductivity compared to 304 stainless steel. Additionally, the tensile strength, ductility, hardness, and impact toughness of 310S stainless steel are all superior to those of 304 stainless steel.
3. Different applications: Due to the high-temperature, high-corrosion and high-strength properties of 310S stainless steel, it is widely used in fields such as high-temperature thermal equipment and chemical equipment, such as heat exchangers, furnaces, combustion chambers, etc. While 304 stainless steel is more commonly used in fields like food, medicine and construction, such as kitchenware, medical devices, furniture, etc. 4.
In conclusion, although both 310S stainless steel and 304 stainless steel belong to the category of stainless steel materials, their chemical composition, physical properties, and applications vary significantly. Therefore, in specific application scenarios, it is necessary to select the appropriate material based on actual needs.
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