Mechanical Properties:
– Tensile Strength: 900 – 1100 MPa
– Yield Strength: 750 – 900 MPa
– Elongation: 14 – 15%
– Hardness: 30 – 36 HRC
– Impact Toughness: 18 – 22 J/cm2
These mechanical properties indicate that 41CrMo4 steel has high tensile and yield strength, good elongation, and hardness, making it suitable for use in applications that require high-performance and load-bearing components.
Technical Properties:
– Density: 7.85 g/cm3
– Thermal Conductivity: 42 W/mK
– Coefficient of Thermal Expansion: 11.3 x 10^-6 /K
– Specific Heat Capacity: 460 J/kgK
– Electrical Resistivity: 0.33 x 10^-6 Ωm
These technical properties provide insights into the physical characteristics of 41CrMo4 steel, including its density, thermal conductivity, coefficient of thermal expansion, specific heat capacity, and electrical resistivity.
Chemical Composition:
– Carbon (C): 0.38 – 0.45%
– Silicon (Si): 0.15 – 0.40%
– Manganese (Mn): 0.60 – 0.90%
– Phosphorus (P): Max 0.025%
– Sulfur (S): Max 0.035%
– Chromium (Cr): 0.90 – 1.20%
– Molybdenum (Mo): 0.15 – 0.30%
The chemical composition of 41CrMo4 steel consists of carbon, silicon, manganese, phosphorus, sulfur, chromium, and molybdenum, which impart its mechanical and physical properties. The combination of these elements provides the steel with high strength, toughness, and hardenability.
In conclusion, 41CrMo4 steel is a versatile and durable alloy with excellent mechanical, technical, and chemical properties, making it suitable for a wide range of applications in industries such as automotive, aerospace, and mechanical engineering. Understanding its properties is essential for selecting the right material for specific engineering and manufacturing needs.
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