Q235D Carbon Steel Coil with Best Price 

Carbon steel is an iron-carbon alloy with a carbon content of 0.0218%~2.11%, also known as carbon steel. It also contains small amounts of silicon, manganese, sulfur and phosphorus. In general, the higher the carbon content of carbon steel, the greater the hardness, the higher the strength, but the lower the plasticity.   1. According to the use of carbon steel can be divided into carbon structural steel carbon tool steel and free cutting structural steel three categories, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two; 2. According to the deoxidation method, it can be divided into rimmed steel (F) killed steel (Z) semi-killed steel (B) and special killed steel (TZ). 3. According to the quality of steel, carbon steel can be divided into ordinary carbon steel (containing phosphorus and sulfur higher) high quality carbon steel (containing phosphorus and sulfur lower) and high quality s…

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