25CrMo4 is a low-alloy steel grade that possesses excellent mechanical properties, making it suitable for a wide range of applications in various industries. This steel grade is known for its high strength, toughness, and good wear resistance, making it a popular choice for components and parts that are subjected to heavy loads and stress.
The technical properties of 25CrMo4 steel grade include a high tensile strength of 900-1100 MPa, a yield strength of 650-800 MPa, and a high level of toughness. It also has good machinability and weldability, allowing for easy fabrication and assembly of parts.
The chemical composition of 25CrMo4 steel grade consists of:
– Carbon (C): 0.22-0.29%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.30%
The presence of chromium and molybdenum in the chemical composition of 25CrMo4 steel grade provides it with enhanced hardenability, wear resistance, and heat resistance, making it suitable for applications in the automotive, aerospace, and machinery industries. Common applications of 25CrMo4 steel grade include gears, shafts, crankshafts, and other structural components that require high strength and toughness.
In conclusion, the mechanical properties, technical properties, and chemical composition of 25CrMo4 steel grade make it a versatile material for various applications that require high strength, toughness, and wear resistance. Its excellent performance in demanding conditions has made it a popular choice in many industries.
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