51CrV4 is an alloy steel known for its good combination of strength, toughness, and wear resistance. It is often used in the manufacture of springs and other high-stress applications. Here is a detailed breakdown of its chemical composition and material properties:
The typical chemical composition of 51CrV4 steel is as follows:
Carbon (C): 0.47% - 0.55%
Silicon (Si): 0.15% - 0.40%
Manganese (Mn): 0.70% - 1.00%
Phosphorus (P): ≤ 0.025%
Sulfur (S): ≤ 0.025%
Chromium (Cr): 0.90% - 1.20%
Vanadium (V): 0.10% - 0.20%
Tensile Strength: Approximately 1,300 MPa (megapascals)
Yield Strength: Approximately 1,100 MPa
Elongation: About 8% in 50 mm
Hardness: Varies depending on heat treatment, typically around 42-50 HRC (Rockwell Hardness)
Density: Approximately 7.85 g/cm³
Modulus of Elasticity: Around 210 GPa (gigapascals)
Thermal Conductivity: Around 30 W/m·K (watts per meter per degree Kelvin)
High Strength and Toughness: 51CrV4 provides an excellent balance of strength and toughness, making it suitable for components subjected to high stress and fatigue, such as automotive suspension springs and high-performance parts.
Wear Resistance: The presence of chromium and vanadium enhances the material's wear resistance, making it ideal for tools and components requiring durability.
Good Hardening Capability: 51CrV4 can be heat treated to achieve a wide range of hardness levels, allowing for versatility in various applications.
Applications: Commonly used in the automotive industry, aerospace, mechanical engineering, and for manufacturing tools, springs, shafts, and high-stress machinery components.
51CrV4 is a versatile alloy steel that provides a good combination of mechanical properties, making it suitable for demanding applications where strength, toughness, and wear resistance are critical.
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