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The mechanical properties and chemical composition of the 34CrNiMo6 steel grade are important factors to understand its potential and performance.
Mechanical properties:
1. Tensile strength: The tensile strength of 34CrNiMo6 steel is typically in the range of 1000-1200 MPa, indicating its high strength.
2. Yield strength: The yield strength of this steel grade is approximately 800-1000 MPa, representing its ability to withstand a significant amount of stress before permanent deformation occurs.
3. Elongation: The elongation of 34CrNiMo6 steel grade is generally around 10-15%, suggesting its good ductility.
4. Impact toughness: The impact toughness of this steel grade is typically high, enabling it to absorb energy and resist brittle fracture even at low temperatures.
5. Hardness: 34CrNiMo6 steel has a hardness range of approximately 280-320 HB, indicating its good wear resistance and ability to withstand abrasive conditions.
Chemical composition:
The chemical composition of 34CrNiMo6 steel grade is as follows:
1. Carbon (C): 0.30-0.38%
2. Silicon (Si): 0.10-0.40%
3. Manganese (Mn): 0.50-0.80%
4. Phosphorus (P): ≤0.035%
5. Sulfur (S): ≤0.035%
6. Chromium (Cr): 0.90-1.20%
7. Nickel (Ni): 1.30-1.70%
8. Molybdenum (Mo): 0.15-0.30%
The presence of carbon provides strength and hardness to the steel, while silicon improves its strength and ability to absorb shock. Manganese enhances the hardenability of the steel and contributes to its toughness. Phosphorus and sulfur are limited to ensure the steel’s cleanliness and improved weldability. The alloying elements, chromium, nickel, and molybdenum, improve the steel’s hardenability, strength, and ability to resist wear and fatigue.
Understanding the mechanical properties and chemical composition of 34CrNiMo6 steel grade helps in predicting its behavior and suitability for various applications, such as manufacturing heavy-duty gears, shafts, and other high-stress components.
34CrNiMo6 Steel grade
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