The mechanical properties of 10SPb20 steel are as follows:
– Tensile strength: 460-650 MPa
– Yield strength: 240-420 MPa
– Elongation: 15-25%
– Hardness: 140-220 HB
These properties make 10SPb20 steel suitable for applications where high strength, good ductility, and excellent machinability are required. It offers good resistance to wear and abrasion, making it ideal for components exposed to high stress and friction.
In terms of technical properties, 10SPb20 steel has excellent machining characteristics, allowing for high-speed cutting and improved tool life. It has a low cutting force requirement, which reduces the risk of tool breakage and increases productivity.
The chemical composition of 10SPb20 steel is as follows:
– Carbon (C): 0.15-0.25%
– Silicon (Si): 0.10-0.35%
– Manganese (Mn): 1.00-1.60%
– Phosphorus (P): ≤ 0.11%
– Sulfur (S): ≤ 0.35%
– Lead (Pb): 0.15-0.35%
The addition of lead in the composition of 10SPb20 steel aids in improving its machinability by providing better chip control and reducing tool wear. However, it is important to note that lead is known to be hazardous to health, and proper precautions should be taken during machining and handling of 10SPb20 steel.
Overall, 10SPb20 steel offers a combination of high strength, excellent machinability, and good wear resistance, making it a suitable choice for engineering precision components in various industries. However, its use should be in compliance with safety regulations regarding the handling and disposal of lead-containing materials.
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