Carbon structural steel is a steel with a carbon content between 0.08% and 0.60%. The carbon content is an important factor affecting the mechanical properties of the steel.
1. Carbon structural steel with excessive carbon content has high hardness and strength, but poor toughness and is prone to cracks and fractures. Therefore, high-carbon steel is suitable for manufacturing mechanical parts with high strength and low toughness.
2. Carbon structural steel with lower carbon content usually has better toughness, but lower strength and hardness. It is suitable for manufacturing parts such as bearings, gears, springs, etc. that work under complex stress conditions such as shock and vibration.
3. Carbon structural steel with a carbon content of 0.40%-0.60% has good wear resistance and strength and is suitable for making mechanical parts such as grinding tools, hammerheads, hammer handles, turning tools, and thrust plates.

1. Mechanical properties
The carbon content is directly related to the strength, toughness, and hardness of carbon structural steel. Generally speaking, the higher the carbon content, the higher the strength, and the lower the toughness and plasticity.
2. Processing performance
The carbon content also has an important impact on the processing performance of carbon structural steel. Generally speaking, the lower the carbon content, the better the cold deformability and processability of carbon structural steel. However, too low carbon content will also lead to a significant reduction in the strength and toughness of carbon structural steel.
3. Corrosion resistance
The carbon content will affect the corrosion resistance of steel. Steels with higher carbon content are prone to oxidation, which can lead to corrosion.

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