7Cr17 is a widely used Chinese stainless steel designed for low-cost knife production. It is often compared to 440A due to similar composition and performance characteristics. With relatively low carbon content, it prioritizes corrosion resistance and ease of sharpening over edge retention. It is commonly used in entry-level knives where affordability and rust resistance are more important than long-term cutting performance.
优点
- Very easy to sharpen
- Good corrosion resistance
- Low cost and widely available
- Decent toughness for light use
- Beginner-friendly maintenance