1. Tensile Strength: 1100-1300 MPa
2. Yield Strength: 900-1100 MPa
3. Elongation: 10-14%
4. Hardness: 280-330 HB
Technical Properties:
1. Good weldability and machinability
2. High strength and toughness
3. Suitable for high-stress applications
4. Good fatigue resistance
5. Excellent heat treatment response
Chemical Composition:
1. Carbon (C): 0.32-0.39%
2. Silicon (Si): 0.4% max
3. Manganese (Mn): 0.5-0.8%
4. Phosphorus (P): 0.025% max
5. Sulfur (S): 0.035% max
6. Nickel (Ni): 1.5-2.0%
7. Chromium (Cr): 0.8-1.1%
8. Molybdenum (Mo): 0.15-0.25%
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