The difference between 200, 300 and 400 series stainless steel
Stainless steel can be divided into 200, 300 and 400 series according to its alloy composition and performance. They have significant differences in corrosion resistance, strength and application areas. The following are their main differences:
Series | Alloy composition | Features | Application |
200 | Contains Cr, Ni, and Mn, with Ni | Low cost, weak corrosion resistance, | Kitchenware, cutlery, interior decoration, low-cost equipment |
300 | Cr-Ni alloy, 304 contains 8%-10% Ni, | Strong corrosion resistance, good | Food processing, medical |
400 | Contains 12%-18% Cr, with no or very little Ni. | Low cost, strong magnetism, high | Knives, tableware, car |
Summary：
The 200 series is suitable for low-cost applications, the 300 series is most commonly used due to its corrosion resistance and toughness, and the 400 series excels in strength and wear resistance. When choosing stainless steel, you should choose the appropriate series according to your specific needs.
