1. Material differences
Carbon steel nuts are nuts made of carbon steel, which are characterized by low price, good toughness, easy processing and heat treatment. Therefore, carbon steel nuts are commonly used in some mechanical equipment with low requirements. Stainless steel nuts are made of stainless steel and have good corrosion resistance and oxidation protection capabilities. They are suitable for occasions with harsh external environments, such as high temperatures, acids, alkalis, seawater and other special environments.

2. Differences in mechanical properties
Due to the difference in materials, carbon steel nuts have excellent strength and hardness, but are prone to rust; while stainless steel nuts are tough and corrosion-resistant, but their strength and hardness are relatively low.

3. Different scope of application
Due to the performance characteristics of carbon steel nuts, they are mainly used in mechanical equipment with low strength, low precision, and no high requirements on the external environment. For example, certain home furnishings, housing construction and other fields. Stainless steel nuts are mainly used in situations where high corrosion resistance is required, such as marine engineering, chemical equipment, food equipment, etc.