Cold-formed steel is a high-strength steel produced by cold drawing, cold forming and annealing.
Characteristics of cold-formed steel
1. High strength: The strength of cold-formed steel is more than 20% higher than that of hot-rolled steel of the same thickness;
2. Good wear resistance: The surface of cold-formed steel is smooth and has good wear resistance, which is suitable for parts with surface quality requirements;
3. Good corrosion resistance: Since cold-formed steel is not heated during the production process, it can retain more ferrite structure and has good corrosion resistance;
4. Good fatigue resistance: The material of cold-formed steel is uniform, the structure is dense, and it has good fatigue resistance.
Uses of cold-formed steel
Cold-formed steel is widely used in automobiles, machinery, electrical appliances and other fields. Specifically include the following aspects:
1. Automobile: Cold-formed steel is often used in automobile wheels, brake drums, frames and other parts, which can improve the safety performance and fuel economy of the car;
2. Machinery: Cold-formed steel can be used to produce various mechanical parts, such as bearings, gears, springs, etc.;
3. Electrical appliances: Cold-formed steel can be used to produce wire tubes, wire tubes, electrical appliance housings, etc.
