How is carbon steel classified based on carbon content?

Product overview：

Carbon steel is classified into several categories based on its carbon content, which directly influences its mechanical properties. The classifications are typically as follows:

Low Carbon Steel: Also known as mild steel, low carbon steel contains a relatively low percentage of carbon, typically ranging from 0.05% to 0.30%. It is the most common form of carbon steel and is characterized by its ductility, weldability, and ease of machining. Low carbon steel is used in a wide range of applications, including construction, automotive manufacturing, and structural components.

Medium Carbon Steel: Medium carbon steel contains a higher percentage of carbon than low carbon steel, typically ranging from 0.30% to 0.60%. It offers increased strength and hardness compared to low carbon steel, along with improved wear resistance. Medium carbon steel is commonly used in applications requiring higher strength and hardness, such as gears, axles, and machinery components.

High Carbon Steel: High carbon steel contains a higher percentage of carbon than medium carbon steel, typically ranging from 0.60% to 1.00% or higher. It has the highest strength and hardness of all carbon steels but is also more brittle and less ductile. High carbon steel is commonly used in applications requiring extreme hardness and wear resistance, such as cutting tools, knives, and springs.

It's important to note that carbon steel grades within each classification may vary slightly in terms of carbon content and alloying elements, leading to differences in properties and applications. Additionally, carbon steel can be further classified based on other alloying elements and processing methods, such as alloy steels, tool steels, and stainless steels.

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