Among stainless steel materials, 022Cr19Ni10, also known as standard 304 stainless steel, is one of the most common and widely used types of stainless steel. It has good corrosion resistance, heat resistance and processability, and is suitable for a variety of industrial fields.
1. Chemical composition
The chemical composition of 022Cr19Ni10 is as follows:
Carbon (C) content: 008%
Silicon (Si) content: 100%
Manganese (Mn) content: 200%
Phosphorus (P) content: 0045%
Sulphur(s) content: 0030%
Nickel (Ni) content: 80-10.5%
Chromium (Cr) content: 180-20.0%
2. Mechanical properties
The mechanical properties of 022Cr19Ni10 are as follows:
- Tensile Strength:≥520mpa
- Yield Strength:≥205mpa
- Elongation:
- Hardness (HB):
- Thermal conductivity:15.0 w/(m·k)
- Coefficient of Linear Expansion:
3. Heat treatment
022Cr19Ni10 is treated with solution annealing, which can improve its mechanical properties and corrosion resistance. The solution treatment temperature is 1010-1150, and the cooling method is air cooling or rapid cooling. Stainless steel after solution annealing has high strength and hardness, which is suitable for some engineering fields that require high strength and corrosion resistance.
Fourth, corrosion resistance
022Cr19Ni10 has excellent corrosion resistance, which is mainly manifested in the following aspects:
Good resistance to corrosion under general atmospheric conditions;
It has good corrosion resistance to many weak acids, weak alkalis and salt solutions;
Under high temperature conditions, it can also maintain good corrosion resistance.
Fifth, the field of application
022CR19NI10 is widely used in food processing, chemical industry, medical equipment, building decoration and other fields. Due to its excellent corrosion resistance and mechanical properties, it is widely used in food processing and chemical fields, such as food storage equipment, chemical pipelines, etc. At the same time, due to its good processing properties, it is also used in architectural decoration and furniture manufacturing and other fields.
To sum up, 022Cr19Ni10, as a common stainless steel material, has a wide range of applications in industrial production and daily life. By understanding its comprehensive parameters, you can better select the right materials for your needs, improve production efficiency and product quality. Hopefully, this article will provide you with a useful reference, thank you for reading.