How to choose 316L stainless steel

1. Understand the material properties of 316L stainless steel
316L stainless steel is a molybdenum-containing stainless steel, with a standard grade of 022Cr17Ni12Mo2 (new standard) and an old grade of 00Cr17Ni14Mo2. The material contains 16% to 18% chromium (Cr), 10% to 14% nickel (Ni) and 2% to 3% molybdenum (Mo), which gives it excellent corrosion resistance, high temperature resistance and good mechanical properties. In particular, the addition of molybdenum makes 316L stainless steel show stronger corrosion resistance in an environment containing chloride ions.
2. Clarify the application field

316L stainless steel has a wide range of applications, including chemical, food processing, medical, automobile manufacturing and other industries. In the chemical industry, due to its excellent corrosion resistance, 316L stainless steel is often used to manufacture containers, pipes, storage tanks and other equipment; in the food processing industry, the non-toxic, odorless and corrosion-resistant properties of 316L stainless steel make it the preferred material for food processing equipment and food storage containers; in the medical field, the biocompatibility and antibacterial properties of 316L stainless steel make it an ideal material for surgical instruments, implants and other medical equipment.

3. Understand standards and specifications
When choosing 316L stainless steel, you need to understand the standards and specifications it follows. For example, my country's national standard is GB/T 20878-2007, which stipulates the chemical composition, mechanical properties and other requirements of 316L stainless steel. In addition, it is also necessary to note that the standards for 316L stainless steel in different countries and regions may differ, such as the ASTM standard in the United States and the JIS standard in Japan. When purchasing, you need to choose the appropriate standard according to actual needs.
4. Selection strategy
When choosing 316L stainless steel, you need to consider multiple factors. First, it is necessary to clarify the required material properties and specifications, such as corrosion resistance, tensile strength, etc.; second, pay attention to the product's production process and quality control system to ensure that the product meets relevant standards and specifications; finally, consider factors such as cost and delivery time, and choose products with high cost performance.