The mechanical properties of high carbon steel sheet are the key characteristics it exhibits during use, and these performance characteristics have a decisive influence on the application range and service life of high carbon steel sheet.
A notable feature of high carbon steel sheet is its high hardness. Since the carbon content is usually between 0.60% and 1.25%, high carbon steel has a higher carbon content, which increases the number of carbides inside it, thereby increasing the hardness. This high hardness property gives high carbon steel sheet a significant advantage in manufacturing parts such as tools, molds, springs, etc. that require high wear resistance and high hardness. High hardness also means that high carbon steel sheet is not easy to deform when subjected to external forces and can maintain good shape stability.
In addition to high hardness, high carbon steel sheet also has high strength. High strength means that high carbon steel sheet can withstand large external forces without damage. This high strength property enables high carbon steel sheet to maintain good mechanical properties under harsh working conditions such as heavy loads and high stresses. Therefore, high carbon steel sheet is often used to manufacture mechanical parts such as shafts, gears, crankshafts, etc. that bear high loads.
However, the toughness of high carbon steel sheet is relatively low. Toughness refers to the ability of a material to absorb energy without brittle fracture when subjected to external forces. Due to the high carbon content of high carbon steel sheet, the carbides inside it are densely distributed, resulting in reduced toughness. This low toughness property makes high carbon steel sheet prone to brittle fracture when subjected to dynamic loads such as impact or vibration. Therefore, high carbon steel sheet may not be the best choice in application scenarios that require high toughness.
Although high carbon steel sheet has low toughness, its wear resistance is excellent. Wear resistance refers to the ability of a material to maintain surface integrity when subjected to friction. The high hardness of high carbon steel sheet makes its surface resistant to wear and scratches, thereby extending its service life. This good wear resistance gives high carbon steel sheet a significant advantage in the manufacture of parts that require high wear resistance, such as cutting tools and molds.
High carbon steel sheet has good machinability and processability in the annealed state. This means that during the manufacturing process, high carbon steel sheet can be easily cut, drilled, bent and other processing operations. This good processing performance gives high carbon steel sheet an advantage in the manufacture of parts with complex shapes and precise dimensions. However, it should be noted that due to the high hardness of high carbon steel sheet, sharper tools and greater cutting forces may be required during processing.
The hot hardness of high carbon steel sheet refers to its ability to maintain high hardness at high temperatures. However, the hot hardness of high carbon steel is relatively poor. When the working temperature of the tool is greater than 200℃, its hardness and wear resistance will drop sharply. This means that when using high carbon steel sheet in a high temperature environment, special attention should be paid to its thermal stability and high temperature resistance.
The mechanical properties of high carbon steel sheet include high hardness, high strength, low toughness, good wear resistance, machinability and machinability, and relatively poor hot hardness. These performance characteristics give high carbon steel sheet a significant advantage in the manufacture of parts such as tools, molds, springs, etc. that require high wear resistance and high hardness. However, in application scenarios that require high toughness and high temperature resistance, high carbon steel sheet may not be the best choice. Therefore, when choosing high carbon steel sheet, it is necessary to make a comprehensive consideration based on the specific application scenario and performance requirements.
